List of United States Senators from Pennsylvania
Encyclopedia
This is a chronological listing of the United States Senators from Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

.

United States Senators
United States Senate
The United States Senate is the upper house of the bicameral legislature of the United States, and together with the United States House of Representatives comprises the United States Congress. The composition and powers of the Senate are established in Article One of the U.S. Constitution. Each...

 are popularly elected, for a six-year term, beginning January 3. Elections are held the first Tuesday after November 1. Before 1914, they were chosen by the Pennsylvania General Assembly
Pennsylvania General Assembly
The Pennsylvania General Assembly is the state legislature of the U.S. state of Pennsylvania. The legislature convenes in the State Capitol building in Harrisburg. In colonial times , the legislature was known as the Pennsylvania Provincial Assembly. Since the Constitution of 1776, written by...

, and before 1935, their terms began March 4.

Class 1

Class 1 U.S. Senators
Classes of United States Senators
The three classes of United States Senators are currently made up of 33 or 34 Senate seats. The purpose of the classes is to determine which Senate seats will be up for election in a given year. The three groups are staggered so that one of them is up for election every two years.A senator's...

 belong to the electoral cycle that were elected for one session of the U.S. Congress in the first election of 1788 and whose seats in recent years are contested in 1994
United States Senate election in Pennsylvania, 1994
The 1994 United States Senate election in Pennsylvania was held on November 8, 1994. Incumbent Democratic U.S. Senator Harris Wofford, who was recently appointed to the position in 1991, decided to seek re-election to a full six year term, but was defeated by Republican Rick Santorum.- Democratic...

, 2000
United States Senate election in Pennsylvania, 2000
The 2000 United States Senate election in Pennsylvania was held on November 7, 2000. Incumbent Republican U.S. Senator Rick Santorum won re-election to a second term.-Campaign:...

, 2006, and 2012
United States Senate election in Pennsylvania, 2012
The 2012 United States Senate election in Pennsylvania will be held on November 6, 2012 alongside a presidential election, other elections to the United States Senate in other states, as well as elections to the United States House of Representatives and various state and local elections. Incumbent...

.
# Senator Party Years Congress Term Electoral history
1 William Maclay Anti-Administration
Anti-Administration Party (United States)
Anti-Administration "Party" was the informal faction comprising the opponents of the policies of Treasury Secretary Alexander Hamilton in the first term of President George Washington. This was not an organized political party but an unorganized faction...

March 4, 1789 –
March 3, 1791
1
1st United States Congress
-House of Representatives:During this congress, five House seats were added for North Carolina and one House seat was added for Rhode Island when they ratified the Constitution.-Senate:* President: John Adams * President pro tempore: John Langdon...

1 Elected in 1789

Lost re-election
Vacant March 4, 1791 –
December 1, 1793
2
2nd United States Congress
-House of Representatives:During this congress, two new House seats were added for each of the new states of Vermont and Kentucky. -Leadership:-Senate:*President: John Adams *President pro tempore:** Richard Henry Lee...

2
3
3rd United States Congress
The Third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives...

2 Albert Gallatin
Albert Gallatin
Abraham Alfonse Albert Gallatin was a Swiss-American ethnologist, linguist, politician, diplomat, congressman, and the longest-serving United States Secretary of the Treasury. In 1831, he founded the University of the City of New York...

Anti-Administration
Anti-Administration Party (United States)
Anti-Administration "Party" was the informal faction comprising the opponents of the policies of Treasury Secretary Alexander Hamilton in the first term of President George Washington. This was not an organized political party but an unorganized faction...

December 2, 1793 –
February 28, 1794
Elected late in 1793

Election voided on the grounds that he had not met the residency requirements for eligibility to the office.
Vacant March 1, 1794 –
April 23, 1794
3 James Ross Federalist
Federalist Party (United States)
The Federalist Party was the first American political party, from the early 1790s to 1816, the era of the First Party System, with remnants lasting into the 1820s. The Federalists controlled the federal government until 1801...

April 24, 1794 –
March 3, 1803
3
3rd United States Congress
The Third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives...


(Continued)
Elected to finish Gallatin's term
4
4th United States Congress
-House of Representatives:- Senate :* President: John Adams * President pro tempore:** Henry Tazewell , first elected December 7, 1795** Samuel Livermore , first elected May 6, 1796** William Bingham , first elected February 16, 1797...

5
5th United States Congress
The Fifth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives...

3 Re-elected in 1797

6
6th United States Congress
The Sixth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met at Congress Hall in Philadelphia, Pennsylvania and in Washington, D.C. from March 4, 1799...

7
7th United States Congress
- House of Representatives :-Senate:* President: Aaron Burr * President pro tempore:** Abraham Baldwin , first elected December 7, 1801** Stephen R. Bradley , first elected December 14, 1802-House of Representatives:...

4 Samuel Maclay
Samuel Maclay
Samuel Maclay was an American surveyor, farmer, and politician from Union County, Pennsylvania. He served in the state legislature and represented Pennsylvania in both the U.S. House and the United States Senate.-Biography:...

Democratic-
Republican
Democratic-Republican Party (United States)
The Democratic-Republican Party or Republican Party was an American political party founded in the early 1790s by Thomas Jefferson and James Madison. Political scientists use the former name, while historians prefer the latter one; contemporaries generally called the party the "Republicans", along...

March 4, 1803 –
January 4, 1809
8
8th United States Congress
- Senate :* President: Aaron Burr * President pro tempore: John Brown , October 17, 1803 – February 26, 1804** Jesse Franklin , March 10, 1804 – November 4, 1804** Joseph Anderson , January 15, 1805 – December 1, 1805- House of Representatives :...

4 Elected in 1803

Resigned, believing he would lose re-election
9
9th United States Congress
- Senate :* President: George Clinton * President pro tempore: Samuel Smith - House of Representatives :* Speaker: Nathaniel Macon -Members:This list is arranged by chamber, then by state...

10
10th United States Congress
- House of Representatives :- Senate :*President: George Clinton *President pro tempore: Samuel Smith , elected April 16, 1808** Stephen R. Bradley , elected December 28, 1808** John Milledge , elected January 30, 1809...

Vacant January 4, 1809 –
January 9, 1809
5 Michael Leib
Michael Leib
Michael Leib was an American physician, politician, scientist, inventor, statesman, and philosopher born in Philadelphia, Pennsylvania. He served Pennsylvania in both houses of the state legislature and represented Pennsylvania in both the U.S...

Democratic-
Republican
Democratic-Republican Party (United States)
The Democratic-Republican Party or Republican Party was an American political party founded in the early 1790s by Thomas Jefferson and James Madison. Political scientists use the former name, while historians prefer the latter one; contemporaries generally called the party the "Republicans", along...

January 9, 1809 –
February 14, 1814
10
10th United States Congress
- House of Representatives :- Senate :*President: George Clinton *President pro tempore: Samuel Smith , elected April 16, 1808** Stephen R. Bradley , elected December 28, 1808** John Milledge , elected January 30, 1809...


(Continued)
Elected to finish Maclay's term
11
11th United States Congress
- House of Representatives :-Leadership:- Senate :* President: George Clinton * President pro tempore:** John Milledge ** Andrew Gregg , elected June 26, 1809** John Gaillard , elected February 28, 1810...

5 Elected in 1809

Resigned to become Postmaster of Philadelphia
12
12th United States Congress
- House of Representatives :During this congress, one new House seat was added for the new state of Louisiana.- Senate :*President: George Clinton *President pro tempore: William H. Crawford -House of Representatives:*Speaker: Henry Clay...

13
13th United States Congress
- Senate :* President: Elbridge Gerry , until November 23, 1814, thereafter vacant.* President pro tempore: Joseph B. Varnum , December 6, 1813 – February 3, 1814** John Gaillard , elected November 25, 1814- House of Representatives :...

6 Jonathan Roberts
Jonathan Roberts
Jonathan Roberts was a United States Representative and Senator from Pennsylvania from 1811 to 1814 and 1814 to 1821 respectively.-Life and career:...

Democratic-
Republican
Democratic-Republican Party (United States)
The Democratic-Republican Party or Republican Party was an American political party founded in the early 1790s by Thomas Jefferson and James Madison. Political scientists use the former name, while historians prefer the latter one; contemporaries generally called the party the "Republicans", along...

February 24, 1839 –
March 3, 1821
Elected to finish Leib's term
14
14th United States Congress
- Senate :* President: Vacant* President pro tempore: John Gaillard of South Carolina, first elected December 4, 1815- House of Representatives :* Speaker: Henry Clay of Kentucky-Members:This list is arranged by chamber, then by state...

6 Re-elected in 1815

15
15th United States Congress
-Leadership:- Senate :* President: Daniel D. Tompkins * President pro tempore:** John Gaillard , elected March 4, 1817** James Barbour , elected February 15, 1819- House of Representatives :*Speaker: Henry Clay -Members:...

16
16th United States Congress
-House of Representatives:During this congress, one House seat was added for the new state of Alabama and one seat was reapportioned from Massachusetts to the new state of Maine. For the beginning of the next congress, six more seats from Massachusetts would be reapportioned to...

Vacant March 4, 1821 –
December 10, 1821
17
17th United States Congress
The Seventeenth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1821 to March 3, 1823, during the fifth and sixth...

7 Legislature failed to elect
7 William Findlay Democratic-
Republican
Democratic-Republican Party (United States)
The Democratic-Republican Party or Republican Party was an American political party founded in the early 1790s by Thomas Jefferson and James Madison. Political scientists use the former name, while historians prefer the latter one; contemporaries generally called the party the "Republicans", along...

December 10, 1821 –
March 3, 1827
Elected late in 1821

Retired
Jacksonian
Republican
Democratic-Republican Party (United States)
The Democratic-Republican Party or Republican Party was an American political party founded in the early 1790s by Thomas Jefferson and James Madison. Political scientists use the former name, while historians prefer the latter one; contemporaries generally called the party the "Republicans", along...

18
18th United States Congress
The Eighteenth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1823 to March 3, 1825, during the seventh and eighth...

Jacksonian 19
19th United States Congress
-House of Representatives:-Leadership:- Senate :* President: John C. Calhoun * President pro tempore: John Gaillard , until December 4, 1825** Nathaniel Macon , from May 20, 1826- House of Representatives :* Speaker: John W. Taylor -Members:...

8 Isaac D. Barnard
Isaac D. Barnard
Isaac Dutton Barnard was an American Senator from Pennsylvania. He moved to a farm near Chester with his parents, and was a scholar at several public schools. He later resided in Philadelphia until 1811, when he moved back to Chester...

Jacksonian March 4, 1827 –
December 6, 1831
20
20th United States Congress
-House of Representatives:-Leadership:- Senate :* President: John C. Calhoun * President pro tempore: Samuel Smith - House of Representatives :* Speaker: Andrew Stevenson -Members:This list is arranged by chamber, then by state...

8 Elected in 1827

Resigned to due ill health
21
21st United States Congress
-House of Representatives:-Leadership:- Senate :* President: John C. Calhoun * President pro tempore: Samuel Smith - House of Representatives :* Speaker: Andrew Stevenson -Members:This list is arranged by chamber, then by state...

Vacant December 6, 1831 –
December 13, 1831
9 George Mifflin Dallas Jacksonian December 13, 1831 –
March 3, 1833
21
21st United States Congress
-House of Representatives:-Leadership:- Senate :* President: John C. Calhoun * President pro tempore: Samuel Smith - House of Representatives :* Speaker: Andrew Stevenson -Members:This list is arranged by chamber, then by state...


(Continued)
Elected to finish Barnard's term

Retired
22
22nd United States Congress
-House of Representatives:-Leadership:- Senate :* President:** John C. Calhoun , resigned December 28, 1832, thereafter vacant.* President pro tempore:** Samuel Smith , first elected December 5, 1831** Littleton W...

10 Samuel McKean
Samuel McKean
Samuel McKean was an American merchant and politician from Burlington, Pennsylvania. He served in the Pennsylvania House of Representatives from 1815 to 1819. He was in the Pennsylvania State Senate from 1829 to 1830....

Jacksonian March 4, 1833 –
March 3, 1839
23
23rd United States Congress
-House of Representatives:For the beginning of this congress, the size of the House was increased from 213 seats to 240 seats, following the 1830 United States Census .- Leadership :- Senate :* President: Martin Van Buren...

9 Elected in 1832
United States Senate elections, 1832
The United States Senate election of 1832 was an election which had the Anti-Jackson coalition assume control of the United States Senate from the Jacksonian coalition, despite Andrew Jackson's victory in the Presidential election....



24
24th United States Congress
-House of Representatives:During this congress one House seat was added for each of the new states of Arkansas and Michigan.-Leadership:- Senate :* President: Martin Van Buren * President pro tempore: William R. King - House of Representatives :...

25
25th United States Congress
-House of Representatives:-Leadership:- Senate :* President: Richard Mentor Johnson * President pro tempore: William R. King - House of Representatives :* Speaker: James K. Polk -Members:This list is arranged by chamber, then by state...

Vacant March 4, 1839 –
January 14, 1840
26
26th United States Congress
-House of Representatives:- Leadership :- Senate :*President: Richard M. Johnson *President pro tempore: William R. King - House of Representatives :*Speaker: Robert M.T. Hunter -Members:This list is arranged by chamber, then by state...

10 Legislature failed to elect
11 Daniel Sturgeon
Daniel Sturgeon
Daniel Sturgeon was an American physician, banker and Democratic party politician from Uniontown, Pennsylvania. He served in both houses of the state legislature and represented Pennsylvania in the United States Senate....

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

January 14, 1840 –
March 3, 1851
26
26th United States Congress
-House of Representatives:- Leadership :- Senate :*President: Richard M. Johnson *President pro tempore: William R. King - House of Representatives :*Speaker: Robert M.T. Hunter -Members:This list is arranged by chamber, then by state...


(Continued)
Elected late in 1839
27
27th United States Congress
The Twenty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1841 to March 3, 1843, during the one-month...

28
28th United States Congress
-House of Representatives:Following the 1840 United States Census, Congress reapportioned the House to include 223 seats . During this congress, one House seat was added for the new state of Florida .- Senate :*President: Vacant...

29
29th United States Congress
-House of Representatives:During this congress, two House seats were added for each of the new states of Texas and Iowa.-Leadership:-Senate:* President: George M. Dallas * President pro tempore: Willie P. Mangum...

11 Re-elected in 1844
United States Senate elections, 1844
The United States Senate election of 1844 was an election which, coinciding with James K. Polk's election, had the Democratic Party retake control of the United States Senate, gaining a net total of eleven seats from the Whigs....

30
30th United States Congress
The Thirtieth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1847 to March 3, 1849, during the last two years of...

31
31st United States Congress
The Thirty-first United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1849 to March 3, 1851, during the last 17 months...

12 Richard Brodhead
Richard Brodhead
Richard Brodhead was an American lawyer and politician from Easton, Pennsylvania. He represented Pennsylvania in both the U.S. House and Senate. He was the father of U.S. Representative Jefferson Davis Brodhead....

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

March 4, 1851 –
March 3, 1857
32
32nd United States Congress
The Thirty-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1851 to March 3, 1853, during the third and...

12 Elected in 1850
United States Senate elections, 1850
The United States Senate election of 1850 was an election which had the Democratic Party gain one seat in the United States Senate.As this election was prior to ratification of the seventeenth amendment, Senators were chosen by State legislatures....



33
33rd United States Congress
The Thirty-third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1853 to March 3, 1855, during the first two years...

34
34th United States Congress
The Thirty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1855 to March 4, 1857, during the last two years...

13 Simon Cameron
Simon Cameron
Simon Cameron was an American politician who served as United States Secretary of War for Abraham Lincoln at the start of the American Civil War. After making his fortune in railways and banking, he turned to a life of politics. He became a U.S. senator in 1845 for the state of Pennsylvania,...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 4, 1857 –
March 4, 1861
35
35th United States Congress
The 35th United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1857 to March 3, 1859, during the first two years of James...

13 Elected in 1856
United States Senate elections, 1856
The United States Senate election of 1856 was an election which had the young Republican Party assume its position as one of the United States's two main political parties....



Resigned to become U.S. Secretary of War
36
36th United States Congress
The Thirty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1859 to March 4, 1861, during the third and fourth...

37
37th United States Congress
The Thirty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1861 to March 4, 1863, during the first two...

Vacant March 4, 1861 –
March 14, 1861
14 David Wilmot
David Wilmot
David Wilmot was a U.S. political figure. He was a sponsor and eponym of the Wilmot Proviso which aimed to ban slavery in land gained from Mexico in the Mexican-American War of 1846–1848. Wilmot was a Democrat, a Free Soiler, and a Republican during his political career...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 14, 1861 –
March 3, 1863
37
37th United States Congress
The Thirty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1861 to March 4, 1863, during the first two...


(Continued)
Elected in 1861 to finish Cameron's term

Retired
15 Charles R. Buckalew
Charles R. Buckalew
Charles Rollin Buckalew was an American lawyer and Democratic party politician from Bloomsburg, Pennsylvania. He served in the state senate and represented Pennsylvania in both the U.S. House and Senate. He was a graduate of Harford Academy, Susquehanna County, Pennsylvania, where he studied law...

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

March 4, 1863 –
March 3, 1869
38
38th United States Congress
-House of Representatives:Before this Congress, the 1860 United States Census and resulting reapportionment changed the size of the House to 241 members...

14 Elected in 1862
United States Senate elections, 1862
The United States Senate election of 1862 was an election during the American Civil War in which Republicans increased their control of the U.S. Senate. The Republican Party gained three seats, bringing their majority to 66% of the body. Also caucusing with them were Unionists and Unconditional...



39
39th United States Congress
The Thirty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1865 to March 4, 1867, during the first month of...

40
40th United States Congress
The Fortieth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1867 to March 4, 1869, during the third and fourth...

16 John Scott
John Scott (Pennsylvania)
John Scott was an American lawyer and Republican party politician. He served in the Pennsylvania House of Representatives and represented Pennsylvania in the United States Senate....

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 4, 1869 –
March 3, 1875
41
41st United States Congress
-House of Representatives:- Senate :* President : Schuyler Colfax* President pro tempore: Henry B. Anthony - House of Representatives :* Speaker: James G. Blaine -Members:This list is arranged by chamber, then by state...

15 Elected in 1868
United States Senate elections, 1868
The United States Senate election of 1868 was an election which had the Republican Party gain five seats in the United States Senate, enlarging their already overwhelming majority....



Retired
42
42nd United States Congress
The Forty-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1871 to March 3, 1873, during the third and fourth...

43
43rd United States Congress
The Forty-third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1873 to March 4, 1875, during the fifth and sixth...

17 William A. Wallace
William A. Wallace
William Andrew Wallace was an American lawyer and Democratic party politician from Clearfield, Pennsylvania. He served in the Pennsylvania State Senate and was its speaker in 1871. He represented Pennsylvania in the United States Senate from 1875 to 1881.After his U.S. Senate service Wallace was...

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

March 4, 1875 –
March 3, 1881
44
44th United States Congress
The Forty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1875 to March 4, 1877, during the seventh and...

16 Elected in 1874
United States Senate elections, 1874
The United States Senate election of 1874 was an election which had the Democratic Party gain nine seats in the United States Senate.As this election was prior to ratification of the seventeenth amendment, Senators were chosen by State legislatures.-Results:...



Lost re-election
45
45th United States Congress
-House of Representatives:-Leadership:-Senate:*President: William A. Wheeler *President pro tempore: Thomas W. Ferry -House of Representatives:*Speaker: Samuel J. Randall -Members:This list is arranged by chamber, then by state...

46
46th United States Congress
The Forty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1879 to March 4, 1881, during the last two years of...

18 John I. Mitchell
John I. Mitchell
John Inscho Mitchell was an American lawyer, jurist, and Republican party politician from Tioga County, Pennsylvania. He served in the state legislature and represented Pennsylvania in both the U.S. House and Senate. He was later a judge in several state courts.-External links:* at Find A Grave...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 4, 1881 –
March 3, 1887
47
47th United States Congress
The Forty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1881 to March 4, 1883, during the administration...

17 Elected in 1880
United States Senate elections, 1880
The United States Senate election of 1880 was an election which conicided with the presidential election of 1880, and which had the Democratic Party lose five seats in the United States Senate, causing it and the Republican Party to have the same number of seats, leading to a Senate without a...



48
48th United States Congress
The Forty-eighth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1883 to March 4, 1885, during the last two years...

49
49th United States Congress
The Forty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1885 to March 4, 1887, during the first two years...

19 Matthew S. Quay Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 4, 1887 –
March 3, 1899
50
50th United States Congress
The Fiftieth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1887 to March 4, 1889, during the third and fourth...

18 Elected in 1886
United States Senate elections, 1886
The United States Senate election of 1886 was an election which had the Republican Party lose three seats in the United States Senate.As this election was prior to ratification of the seventeenth amendment, Senators were chosen by State legislatures....

51
51st United States Congress
The Fifty-first United States Congress, referred to by some critics as the Billion Dollar Congress, was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C...

52
52nd United States Congress
The Fifty-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C...

53
53rd United States Congress
The Fifty-third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1893 to March 4, 1895, during the fifth and sixth...

19 Re-elected in 1892
United States Senate elections, 1892
The United States Senate election of 1892 was an election which, corresponding with former President Grover Cleveland's return to power, had the Republican Party lose seven seats in the United States Senate and lose its majority to the Democratic Party....



Legislature failed to re-elect
54
54th United States Congress
- House of Representatives :-Leadership:- Senate :* President: Adlai E. Stevenson * President pro tempore: William P. Frye - Majority leadership :* Republican Conference Chairman: John Sherman- Minority leadership :...

55
55th United States Congress
-House of Representatives:* Republican: 206 * Democratic: 124* Populist: 22* Silver Republican: 3* Silver: 1* Independent Republican: 1TOTAL members: 357-Leadership:-Senate:* President: Garret Hobart * President pro tempore: William P...

Vacant March 4, 1899 –
January 16, 1901
56
56th United States Congress
-House of Representatives:- Leadership :- Senate :* President: Garret Hobart , until November 21, 1899 , vacant thereafter.* President pro tempore: William P. Frye * Democratic Caucus Chairman: James K. Jones...

20 Quay was appointed to continue the term, but the Senate declared him not entitled to the seat
20 Matthew S. Quay Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

January 16, 1901 –
May 28, 1904
Elected late in 1901

Died
57
57th United States Congress
-House of Representatives:*Democratic: 151*Republican: 200 *Populist: 5*Silver : 1TOTAL members: 357-Leadership:-Senate:* President: Theodore Roosevelt , until September 14, 1901, vacant thereafter....

58
58th United States Congress
- House of Representatives :* Republican : 209 * Democratic : 176* Silver Republican : 1TOTAL members: 386-Senate:* President: Vacant* President pro tempore: William P. Frye -Members:...

21 Philander C. Knox
Philander C. Knox
Philander Chase Knox was an American lawyer and politician who served as United States Attorney General , a Senator from Pennsylvania and Secretary of State ....

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

June 10, 1904 –
March 4, 1909
Appointed to continue Quay's term
Elected to finish Quay's term
59
59th United States Congress
The Fifty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1905 to March 4, 1907, during the fifth and sixth...

21 Re-elected in 1902
United States Senate elections, 1902
The United States Senate election of 1902 was an election which had the Republican Party and the Democratic Party each gain one seat in the United States Senate....



Resigned to become U.S. Secretary of State
60
60th United States Congress
The Sixtieth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1907 to March 4, 1909, during the last two years of...

61
61st United States Congress
The Sixty-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1909 to March 4, 1911, during the first two years of...

Vacant March 4, 1909 –
March 17, 1909
22 George T. Oliver
George T. Oliver
George Tener Oliver was an American lawyer, publisher, and Republican party politician from Pittsburgh, Pennsylvania. He represented Pennsylvania in the United States Senate...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 17, 1909 –
March 3, 1917
61
61st United States Congress
The Sixty-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1909 to March 4, 1911, during the first two years of...


(Continued)
Elected to finish Knox's term
62
62nd United States Congress
- House of Representatives :* Democratic : 230 * Republican : 162* Socialist : 1* Independent : 1TOTAL members: 394-Senate:* President: James S...

22 Re-elected in 1911

Retired
63
63rd United States Congress
- House of Representatives:*Democratic : 291 *Republican : 134*Progressive : 9*Independent : 1TOTAL members: 435-Senate:*President of the Senate: Thomas R. Marshall*President pro tempore: James P. Clarke-Senate:...

64
64th United States Congress
The Sixty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1915 to March 4, 1917, during the third and fourth...

23 Philander C. Knox
Philander C. Knox
Philander Chase Knox was an American lawyer and politician who served as United States Attorney General , a Senator from Pennsylvania and Secretary of State ....

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 4, 1917 –
October 12, 1921
65
65th United States Congress
The Sixty-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1917 to March 4, 1919, during the fourth and fifth...

23 Elected in 1916

Died
66
66th United States Congress
The Sixty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, comprising the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1919 to March 4, 1921, during the last two years of...

67
67th United States Congress
The Sixty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1921 to March 4, 1923, during the first two years...

Vacant October 12, 1921 –
October 24, 1921
24 William E. Crow
William E. Crow
Wiliam Evans Crow was an American lawyer and Republican party politician from Uniontown, Pennsylvania. He served in the Pennsylvania State Senate from 1907 until 1921 and was its President pro-tem in 1909-1911. In 1921 he was appointed to the United States Senate, after Senator Knox died in...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

October 24, 1921 –
August 2, 1922
Appointed to continue Knox's term

Died
Vacant August 2, 1922 –
August 8, 1922
25 David A. Reed
David A. Reed
David Aiken Reed was an American lawyer and Republican party politician from Pittsburgh, Pennsylvania. He represented Pennsylvania in the United States Senate....

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

August 8, 1922 –
January 3, 1935
Appointed to continue Knox's term
Elected both to finish Knox's term and to the next term
68
68th United States Congress
The Sixty-eighth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1923 to March 4, 1925, during the last months of...

24 Elected in 1922
69
69th United States Congress
The Sixty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1925 to March 4, 1927, during the third and fourth...

70
70th United States Congress
The Seventieth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1927 to March 3, 1929, during the last two years of...

71
71st United States Congress
The Seventy-first United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1929 to March 4, 1931, during the first two years...

25 Re-elected in 1928

Lost re-election
72
72nd United States Congress
The Seventy-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1931 to March 4, 1933, during the last two years...

73
73rd United States Congress
The Seventy-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1933 to January 3, 1935, during the first two years...

26 Joseph F. Guffey
Joseph F. Guffey
Joseph Frank Guffey was an American business executive and Democratic Party politician from Pittsburgh, Pennsylvania. He represented Pennsylvania in the United States Senate from 1935 until 1947.-Early life:...

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

January 3, 1935 –
January 3, 1947
74
74th United States Congress
-House:Also 2 Delegates, 3 Resident Commissioners-Senate:*President of the Senate: John N. Garner *President pro tempore: Key Pittman -Majority leadership:*Majority leader: Joseph T. Robinson...

26 Elected in 1934
75
75th United States Congress
The Seventy-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1937 to January 3, 1939, during the first two years...

76
76th United States Congress
The Seventy-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1939 to January 3, 1941, during the seventh and...

77
77th United States Congress
-Major events:* December 7, 1941: Attack on Pearl Harbor* December 8, 1941: Joint Session of Congress met to hear President Roosevelt deliver his "Day of Infamy" speech...

27 Re-elected in 1940

Lost re-election
78
78th United States Congress
The Seventy-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1943 to January 3, 1945, during the last two years...

79
79th United States Congress
The Seventy-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1945 to January 3, 1947, during the last months of...

27 Edward Martin Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

January 3, 1947 –
January 3, 1959
80
80th United States Congress
The Eightieth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1947 to January 3, 1949, during the third and fourth...

28 Elected in 1946
81
81st United States Congress
The Eighty-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives...

82
82nd United States Congress
The Eighty-second United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1951 to January 3, 1953, during the last two years...

83
83rd United States Congress
The Eighty-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1953 to January 3, 1955, during the first two years...

29 Re-elected in 1952

Retired
84
84th United States Congress
The Eighty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1955 to January 3, 1957, during the third and...

85
85th United States Congress
The Eighty-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1957 to January 3, 1959, during the fifth and sixth...

28 Hugh Scott
Hugh Scott
Hugh Doggett Scott, Jr. was a politician from Pennsylvania who served in both the United States House of Representatives and the United States Senate, and who also served as Chairman of the Republican National Committee.- Early life :He was born in Fredericksburg, Virginia, on November 11, 1900...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

January 3, 1959 –
January 3, 1977
86
86th United States Congress
The Eighty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1959 to January 3, 1961, during the last two years...

30 Elected in 1958
87
87th United States Congress
-House of Representatives :-Senate:* President: Richard Nixon , until January 20, 1961** Lyndon Johnson , from January 20, 1961* President pro tempore: Carl Hayden -House of Representatives:...

88
88th United States Congress
The Eighty-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1963 to January 3, 1965, during the last year of...

89
89th United States Congress
-House of Representatives:- Senate :* President of the Senate: Hubert Humphrey , starting January 20, 1965* President pro tempore: Carl Hayden - Majority leadership :* Majority Leader and Democratic Conference Chairman: Mike Mansfield...

31 Re-elected in 1964
90
90th United States Congress
The Ninetieth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1967 to January 3, 1969, during the last two years of...

91
91st United States Congress
The Ninety-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1969 to January 3, 1971, during the first two years...

92
92nd United States Congress
The Ninety-second United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives...

32 Re-elected in 1970

Retired
93
93rd United States Congress
The Ninety-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1973 to January 3, 1975, during the end of Richard...

94
94th United States Congress
The Ninety-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1975 to January 3, 1977, during the administration...

29 John Heinz
H. John Heinz III
Henry John Heinz III was an American politician from Pennsylvania, a Republican member of the United States House of Representatives and the United States Senate .-Early life:...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

January 3, 1977 –
April 4, 1991
95
95th United States Congress
The Ninety-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1977 to January 3, 1979, during the first two years...

33 Elected in 1976
96
96th United States Congress
The Ninety-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1979 to January 3, 1981, during the last two years...

97
97th United States Congress
The Ninety-seventh United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1981 to January 3, 1983, during the final weeks of...

98
98th United States Congress
The Ninety-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1983 to January 3, 1985, during the third and...

34 Re-elected in 1982
United States Senate elections, 1982
The United States Senate election of November 2, 1982 was an election for the United States Senate following the Republican gains in 1980. Party balance was unchanged following the election. Incumbents Howard Cannon of Nevada and Harrison Schmitt of New Mexico lost seats to the opposite party, the...

99
99th United States Congress
The Ninety-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1985 to January 3, 1987, during the fifth and sixth...

100
100th United States Congress
-House of Representatives:- Senate :* President: George H.W. Bush * President pro tempore: John Stennis - Majority leadership :* Majority Leader, Democratic Conference Chairman, and Democratic Policy Committee Chairman: Robert Byrd...

101
101st United States Congress
The One Hundred First United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1989 to January 3, 1991, during the first two...

35 Re-elected in 1988
United States Senate elections, 1988
The United States Senate election, of November 8, 1988 was an election for the United States Senate in which, in spite of the Republican victory by George H. W. Bush in the presidential election, the Republicans suffered a net loss of one seat in the Senate...



Died
102
102nd United States Congress
-House of Representatives:- Senate :* President:Dan Quayle * President pro tempore: Robert Byrd - Majority leadership :* Majority Leader: George Mitchell* Majority Whip: Wendell Ford- Minority leadership :...

Vacant April 4, 1991 –
May 9, 1831
30 Harris Wofford
Harris Wofford
Harris Llewellyn Wofford served as a Democratic U.S. Senator from Pennsylvania from 1991 to 1995 and as the fifth president of Bryn Mawr College, and is a noted advocate of national service and volunteering...

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

May 9, 1991 –
January 3, 1995
102
102nd United States Congress
-House of Representatives:- Senate :* President:Dan Quayle * President pro tempore: Robert Byrd - Majority leadership :* Majority Leader: George Mitchell* Majority Whip: Wendell Ford- Minority leadership :...


(Continued)
Appointed to continue Heinz's term
Elected to finish Heinz's term

Lost re-election
103
103rd United States Congress
- House of Representatives :- Leadership :- Senate :* President: Dan Quayle , until January 20, 1993** Al Gore , from January 20, 1993* President pro tempore: Robert Byrd - Majority leadership :* Majority Leader: George Mitchell...

31 Rick Santorum
Rick Santorum
Richard John "Rick" Santorum is a lawyer and a former United States Senator from the commonwealth of Pennsylvania. Santorum was the chairman of the Senate Republican Conference -making him the third-ranking Senate Republican from 2001 until his leave in 2007. Santorum is considered both a social...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

January 3, 1995 –
January 3, 2007
104
104th United States Congress
The One Hundred Fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1995 to January 3, 1997, during the third and...

36 Elected in 1994
United States Senate election in Pennsylvania, 1994
The 1994 United States Senate election in Pennsylvania was held on November 8, 1994. Incumbent Democratic U.S. Senator Harris Wofford, who was recently appointed to the position in 1991, decided to seek re-election to a full six year term, but was defeated by Republican Rick Santorum.- Democratic...

105
105th United States Congress
The One Hundred Fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1997 to January 3, 1999, during the fifth and...

106
106th United States Congress
The One Hundred Sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1999 to January 3, 2001, during the last two...

107
107th United States Congress
The One Hundred Seventh United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from January 3, 2001 to January 3, 2003, during the final...

37 Re-elected in 2000
United States Senate election in Pennsylvania, 2000
The 2000 United States Senate election in Pennsylvania was held on November 7, 2000. Incumbent Republican U.S. Senator Rick Santorum won re-election to a second term.-Campaign:...



Lost re-election
108
108th United States Congress
The One Hundred Eighth United States Congress was the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives from January 3, 2003 to January 3, 2005, during the third and fourth years of George W. Bush's...

109
109th United States Congress
The One Hundred Ninth United States Congress was the legislative branch of the United States, composed of the United States Senate and the United States House of Representatives, from January 3, 2005 to January 3, 2007, during the fifth and sixth years of George W. Bush's presidency. House members...

32 Bob Casey, Jr.
Bob Casey, Jr.
Robert Patrick "Bob" Casey, Jr. is the senior U.S. Senator from Pennsylvania and a member of the Democratic Party. He previously served as Pennsylvania Treasurer, and Pennsylvania Auditor General. He is the son of former Governor Bob Casey, Sr..He is the first Democrat elected to a full term in...

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

January 3, 2007 –
Present
110
110th United States Congress
The One Hundred Tenth United States Congress was the meeting of the legislative branch of the United States federal government, between January 3, 2007, and January 3, 2009, during the last two years of the second term of President George W. Bush. It was composed of the Senate and the House of...

38 Elected in 2006
111
111th United States Congress
The One Hundred Eleventh United States Congress was the meeting of the legislative branch of the United States federal government from January 3, 2009 until January 3, 2011. It began during the last two weeks of the George W. Bush administration, with the remainder spanning the first two years of...

112
112th United States Congress
The One Hundred Twelfth United States Congress is the current meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It convened in Washington, D.C. on January 3, 2011, and will end on January...

# Senator Party Years Congress Term Electoral history

Class 3

Class 3 U.S. Senators
Classes of United States Senators
The three classes of United States Senators are currently made up of 33 or 34 Senate seats. The purpose of the classes is to determine which Senate seats will be up for election in a given year. The three groups are staggered so that one of them is up for election every two years.A senator's...

 belong to the electoral cycle that were elected for three sessions of the U.S. Congress in the first election of 1788 and whose seats in recent years are contested in 1998
United States Senate election in Pennsylvania, 1998
The 1998 United States Senate election in Pennsylvania was held on November 3, 1998. Incumbent Republican U.S. Senator Arlen Specter won re-election to a fourth term.-Campaign:...

, 2004
United States Senate election in Pennsylvania, 2004
The 2004 United States Senate election in Pennsylvania was held on November 2, 2004. Incumbent Republican U.S. Senator Arlen Specter won re-election to a fifth term.-Campaign:...

, and 2010
United States Senate election in Pennsylvania, 2010
The 2010 United States Senate election in Pennsylvania took place on November 2, 2010, during the 2010 midterm elections. Incumbent Republican-turned-Democrat U.S. Senator Arlen Specter ran for re-election to a sixth term, but lost in the Democratic primary to Joe Sestak. Republican nominee Pat...

.
# Senator Party Years Congress Term Electoral history
1 Robert Morris
Robert Morris (merchant)
Robert Morris, Jr. was a British-born American merchant, and signer of the Declaration of Independence, the Articles of Confederation, and the United States Constitution...

Pro-
Administration
Pro-Administration Party (United States)
Pro-Administration "Party" is a term by historians to describe the supporters of the policies of George Washington's administration — especially Treasury Secretary Alexander Hamilton's financial policies — prior to the formation of the Federalist and Democratic-Republican Parties.Almost the entire...

March 4, 1789 –
March 3, 1795
1
1st United States Congress
-House of Representatives:During this congress, five House seats were added for North Carolina and one House seat was added for Rhode Island when they ratified the Constitution.-Senate:* President: John Adams * President pro tempore: John Langdon...

1 Elected in 1789

2
2nd United States Congress
-House of Representatives:During this congress, two new House seats were added for each of the new states of Vermont and Kentucky. -Leadership:-Senate:*President: John Adams *President pro tempore:** Richard Henry Lee...

3
3rd United States Congress
The Third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives...

2 William Bingham
William Bingham
William Bingham was an American statesman from Philadelphia, Pennsylvania. He was a delegate for Pennsylvania to the Continental Congress from 1786 to 1788 and served in the United States Senate from 1795 to 1801...

Federalist
Federalist Party (United States)
The Federalist Party was the first American political party, from the early 1790s to 1816, the era of the First Party System, with remnants lasting into the 1820s. The Federalists controlled the federal government until 1801...

March 4, 1795 –
March 3, 1801
4
4th United States Congress
-House of Representatives:- Senate :* President: John Adams * President pro tempore:** Henry Tazewell , first elected December 7, 1795** Samuel Livermore , first elected May 6, 1796** William Bingham , first elected February 16, 1797...

2 Elected in 1795

5
5th United States Congress
The Fifth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives...

6
6th United States Congress
The Sixth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met at Congress Hall in Philadelphia, Pennsylvania and in Washington, D.C. from March 4, 1799...

3 J. Peter G. Muhlenberg
Peter Muhlenberg
John Peter Gabriel Muhlenberg was an American clergyman, Continental Army soldier during the American Revolutionary War, and political figure in the newly-independent United States...

Democratic-
Republican
Democratic-Republican Party (United States)
The Democratic-Republican Party or Republican Party was an American political party founded in the early 1790s by Thomas Jefferson and James Madison. Political scientists use the former name, while historians prefer the latter one; contemporaries generally called the party the "Republicans", along...

March 4, 1801 –
June 30, 1801
7
7th United States Congress
- House of Representatives :-Senate:* President: Aaron Burr * President pro tempore:** Abraham Baldwin , first elected December 7, 1801** Stephen R. Bradley , first elected December 14, 1802-House of Representatives:...

3 Elected in 1801

Vacant June 30, 1801 –
July 13, 1801
4 George Logan
George Logan
George Logan was an American physician, farmer, legislator and politician from Philadelphia County, Pennsylvania. He served in the Pennsylvania state legislature and represented Pennsylvania in the United States Senate. He was a founder of the Democratic-Republican Societies in 1793...

Democratic-
Republican
Democratic-Republican Party (United States)
The Democratic-Republican Party or Republican Party was an American political party founded in the early 1790s by Thomas Jefferson and James Madison. Political scientists use the former name, while historians prefer the latter one; contemporaries generally called the party the "Republicans", along...

July 13, 1801 –
March 3, 1807
7
7th United States Congress
- House of Representatives :-Senate:* President: Aaron Burr * President pro tempore:** Abraham Baldwin , first elected December 7, 1801** Stephen R. Bradley , first elected December 14, 1802-House of Representatives:...


(Continued)
8
8th United States Congress
- Senate :* President: Aaron Burr * President pro tempore: John Brown , October 17, 1803 – February 26, 1804** Jesse Franklin , March 10, 1804 – November 4, 1804** Joseph Anderson , January 15, 1805 – December 1, 1805- House of Representatives :...

9
9th United States Congress
- Senate :* President: George Clinton * President pro tempore: Samuel Smith - House of Representatives :* Speaker: Nathaniel Macon -Members:This list is arranged by chamber, then by state...

5 Andrew Gregg Democratic-
Republican
Democratic-Republican Party (United States)
The Democratic-Republican Party or Republican Party was an American political party founded in the early 1790s by Thomas Jefferson and James Madison. Political scientists use the former name, while historians prefer the latter one; contemporaries generally called the party the "Republicans", along...

March 4, 1807 –
March 3, 1813
10
10th United States Congress
- House of Representatives :- Senate :*President: George Clinton *President pro tempore: Samuel Smith , elected April 16, 1808** Stephen R. Bradley , elected December 28, 1808** John Milledge , elected January 30, 1809...

4 Elected in 1807

11
11th United States Congress
- House of Representatives :-Leadership:- Senate :* President: George Clinton * President pro tempore:** John Milledge ** Andrew Gregg , elected June 26, 1809** John Gaillard , elected February 28, 1810...

12
12th United States Congress
- House of Representatives :During this congress, one new House seat was added for the new state of Louisiana.- Senate :*President: George Clinton *President pro tempore: William H. Crawford -House of Representatives:*Speaker: Henry Clay...

6 Abner Lacock
Abner Lacock
Abner Lacock was an American surveyor, civil engineer, and politician from Rochester, Pennsylvania. He served in both houses in the state legislature and represented Pennsylvania in both the U.S. House and Senate....

Democratic-
Republican
Democratic-Republican Party (United States)
The Democratic-Republican Party or Republican Party was an American political party founded in the early 1790s by Thomas Jefferson and James Madison. Political scientists use the former name, while historians prefer the latter one; contemporaries generally called the party the "Republicans", along...

March 4, 1813 –
March 3, 1819
13
13th United States Congress
- Senate :* President: Elbridge Gerry , until November 23, 1814, thereafter vacant.* President pro tempore: Joseph B. Varnum , December 6, 1813 – February 3, 1814** John Gaillard , elected November 25, 1814- House of Representatives :...

5 Elected in 1813

14
14th United States Congress
- Senate :* President: Vacant* President pro tempore: John Gaillard of South Carolina, first elected December 4, 1815- House of Representatives :* Speaker: Henry Clay of Kentucky-Members:This list is arranged by chamber, then by state...

15
15th United States Congress
-Leadership:- Senate :* President: Daniel D. Tompkins * President pro tempore:** John Gaillard , elected March 4, 1817** James Barbour , elected February 15, 1819- House of Representatives :*Speaker: Henry Clay -Members:...

7 Walter Lowrie
Walter Lowrie
Walter Lowrie was a teacher, farmer, and politician from Butler County, Pennsylvania. He served in both houses in the state legislature and represented Pennsylvania in the United States Senate...

Democratic-
Republican
Democratic-Republican Party (United States)
The Democratic-Republican Party or Republican Party was an American political party founded in the early 1790s by Thomas Jefferson and James Madison. Political scientists use the former name, while historians prefer the latter one; contemporaries generally called the party the "Republicans", along...

March 4, 1819 –
March 3, 1825
16
16th United States Congress
-House of Representatives:During this congress, one House seat was added for the new state of Alabama and one seat was reapportioned from Massachusetts to the new state of Maine. For the beginning of the next congress, six more seats from Massachusetts would be reapportioned to...

6 Elected in 1819

17
17th United States Congress
The Seventeenth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1821 to March 3, 1823, during the fifth and sixth...

Crawford
Republican
Democratic-Republican Party (United States)
The Democratic-Republican Party or Republican Party was an American political party founded in the early 1790s by Thomas Jefferson and James Madison. Political scientists use the former name, while historians prefer the latter one; contemporaries generally called the party the "Republicans", along...

18
18th United States Congress
The Eighteenth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1823 to March 3, 1825, during the seventh and eighth...

8 William Marks
William Marks (Pennsylvania)
William Marks was an American lawyer and politician from Beaver, Pennsylvania. He served in both houses in the state legislature and was the Speaker for the House from 1813 to 1819. He later represented Pennsylvania in the United States Senate.-External links:*...

Anti-Jacksonian March 4, 1825 –
March 3, 1831
19
19th United States Congress
-House of Representatives:-Leadership:- Senate :* President: John C. Calhoun * President pro tempore: John Gaillard , until December 4, 1825** Nathaniel Macon , from May 20, 1826- House of Representatives :* Speaker: John W. Taylor -Members:...

7 Elected in 1825

Adams 20
20th United States Congress
-House of Representatives:-Leadership:- Senate :* President: John C. Calhoun * President pro tempore: Samuel Smith - House of Representatives :* Speaker: Andrew Stevenson -Members:This list is arranged by chamber, then by state...

Anti-Jacksonian 21
21st United States Congress
-House of Representatives:-Leadership:- Senate :* President: John C. Calhoun * President pro tempore: Samuel Smith - House of Representatives :* Speaker: Andrew Stevenson -Members:This list is arranged by chamber, then by state...

9 William Wilkins
William Wilkins (U.S. politician)
William Wilkins was an American lawyer, jurist, and politician from Pittsburgh, Pennsylvania. During his career, he served in both houses of the Pennsylvania State Legislature, and in all three branches of the United States federal government, including service as a United States federal judge, as...

Jacksonian March 4, 1831 –
June 30, 1834
22
22nd United States Congress
-House of Representatives:-Leadership:- Senate :* President:** John C. Calhoun , resigned December 28, 1832, thereafter vacant.* President pro tempore:** Samuel Smith , first elected December 5, 1831** Littleton W...

8 Elected in 1831

23
23rd United States Congress
-House of Representatives:For the beginning of this congress, the size of the House was increased from 213 seats to 240 seats, following the 1830 United States Census .- Leadership :- Senate :* President: Martin Van Buren...

Vacant June 30, 1834 –
December 6, 1834
10 James Buchanan
James Buchanan
James Buchanan, Jr. was the 15th President of the United States . He is the only president from Pennsylvania, the only president who remained a lifelong bachelor and the last to be born in the 18th century....

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

December 6, 1834 –
March 5, 1845
23
23rd United States Congress
-House of Representatives:For the beginning of this congress, the size of the House was increased from 213 seats to 240 seats, following the 1830 United States Census .- Leadership :- Senate :* President: Martin Van Buren...


(Continued)
24
24th United States Congress
-House of Representatives:During this congress one House seat was added for each of the new states of Arkansas and Michigan.-Leadership:- Senate :* President: Martin Van Buren * President pro tempore: William R. King - House of Representatives :...

25
25th United States Congress
-House of Representatives:-Leadership:- Senate :* President: Richard Mentor Johnson * President pro tempore: William R. King - House of Representatives :* Speaker: James K. Polk -Members:This list is arranged by chamber, then by state...

9 Re-elected in 1837
26
26th United States Congress
-House of Representatives:- Leadership :- Senate :*President: Richard M. Johnson *President pro tempore: William R. King - House of Representatives :*Speaker: Robert M.T. Hunter -Members:This list is arranged by chamber, then by state...

27
27th United States Congress
The Twenty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1841 to March 3, 1843, during the one-month...

28
28th United States Congress
-House of Representatives:Following the 1840 United States Census, Congress reapportioned the House to include 223 seats . During this congress, one House seat was added for the new state of Florida .- Senate :*President: Vacant...

10 Re-elected in 1843

29
29th United States Congress
-House of Representatives:During this congress, two House seats were added for each of the new states of Texas and Iowa.-Leadership:-Senate:* President: George M. Dallas * President pro tempore: Willie P. Mangum...

Vacant March 5, 1845 –
March 13, 1845
11 Simon Cameron
Simon Cameron
Simon Cameron was an American politician who served as United States Secretary of War for Abraham Lincoln at the start of the American Civil War. After making his fortune in railways and banking, he turned to a life of politics. He became a U.S. senator in 1845 for the state of Pennsylvania,...

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

March 13, 1845 –
March 3, 1849
29
29th United States Congress
-House of Representatives:During this congress, two House seats were added for each of the new states of Texas and Iowa.-Leadership:-Senate:* President: George M. Dallas * President pro tempore: Willie P. Mangum...


(Continued)
30
30th United States Congress
The Thirtieth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1847 to March 3, 1849, during the last two years of...

12 James Cooper
James Cooper (Pennsylvania)
James Cooper was an American lawyer, soldier, and politician, who served in the United States Congress.Cooper lived much of his life in Gettysburg, Pennsylvania. He served in the Pennsylvania House of Representatives and was its Speaker for a year. He represented Pennsylvania in both the United...

Whig
Whig Party (United States)
The Whig Party was a political party of the United States during the era of Jacksonian democracy. Considered integral to the Second Party System and operating from the early 1830s to the mid-1850s, the party was formed in opposition to the policies of President Andrew Jackson and his Democratic...

March 4, 1849 –
March 3, 1855
31
31st United States Congress
The Thirty-first United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1849 to March 3, 1851, during the last 17 months...

11 Elected in 1849

32
32nd United States Congress
The Thirty-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1851 to March 3, 1853, during the third and...

33
33rd United States Congress
The Thirty-third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1853 to March 3, 1855, during the first two years...

Vacant March 4, 1855 –
January 14, 1856
34
34th United States Congress
The Thirty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1855 to March 4, 1857, during the last two years...

12
13 William Bigler
William Bigler
William Bigler was the 12th Governor of Pennsylvania from 1852 to 1855, and later a U.S. Senator for the Democratic Party....

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

January 14, 1856 –
March 3, 1861
34
34th United States Congress
The Thirty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1855 to March 4, 1857, during the last two years...


(Continued)
Elected late in 1856

35
35th United States Congress
The 35th United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1857 to March 3, 1859, during the first two years of James...

36
36th United States Congress
The Thirty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1859 to March 4, 1861, during the third and fourth...

14 Edgar Cowan
Edgar Cowan
Edgar Cowan was an American lawyer and Republican politician from Greensburg, Pennsylvania. He represented Pennsylvania in the United States Senate during the American Civil War....

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 4, 1861 –
March 3, 1867
37
37th United States Congress
The Thirty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1861 to March 4, 1863, during the first two...

13 Elected in 1860
United States Senate elections, 1860
The United States Senate election of 1860 was an election corresponding with Abraham Lincoln's election to the presidency, with the Republican Party gaining control of the United States Senate. As many Southern States seceded following the election, and members left the Senate to join the...



38
38th United States Congress
-House of Representatives:Before this Congress, the 1860 United States Census and resulting reapportionment changed the size of the House to 241 members...

39
39th United States Congress
The Thirty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1865 to March 4, 1867, during the first month of...

15 Simon Cameron
Simon Cameron
Simon Cameron was an American politician who served as United States Secretary of War for Abraham Lincoln at the start of the American Civil War. After making his fortune in railways and banking, he turned to a life of politics. He became a U.S. senator in 1845 for the state of Pennsylvania,...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 4, 1867 –
March 12, 1877
40
40th United States Congress
The Fortieth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1867 to March 4, 1869, during the third and fourth...

14 Elected in 1866
United States Senate elections, 1866
The United States Senate election of 1866 was an election which had the Republican Party gain eighteen seats in the United States Senate as several of the Southern States were readmitted during Reconstruction, enlarging their already overwhelming majority....

41
41st United States Congress
-House of Representatives:- Senate :* President : Schuyler Colfax* President pro tempore: Henry B. Anthony - House of Representatives :* Speaker: James G. Blaine -Members:This list is arranged by chamber, then by state...

42
42nd United States Congress
The Forty-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1871 to March 3, 1873, during the third and fourth...

43
43rd United States Congress
The Forty-third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1873 to March 4, 1875, during the fifth and sixth...

15 Re-elected in 1872
United States Senate elections, 1872
The United States Senate election of 1872 was an election which had the Republican Party, while still retaining a commanding majority, lose nine seats in the United States Senate, mostly as defections to the Liberal Republican Party. It also coincided with President Ulysses S...



44
44th United States Congress
The Forty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1875 to March 4, 1877, during the seventh and...

45
45th United States Congress
-House of Representatives:-Leadership:-Senate:*President: William A. Wheeler *President pro tempore: Thomas W. Ferry -House of Representatives:*Speaker: Samuel J. Randall -Members:This list is arranged by chamber, then by state...

Vacant March 12, 1877 –
March 20, 1877
16 J. Donald Cameron Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 20, 1877 –
March 3, 1897
45
45th United States Congress
-House of Representatives:-Leadership:-Senate:*President: William A. Wheeler *President pro tempore: Thomas W. Ferry -House of Representatives:*Speaker: Samuel J. Randall -Members:This list is arranged by chamber, then by state...


(Continued)
46
46th United States Congress
The Forty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1879 to March 4, 1881, during the last two years of...

16
47
47th United States Congress
The Forty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1881 to March 4, 1883, during the administration...

48
48th United States Congress
The Forty-eighth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1883 to March 4, 1885, during the last two years...

49
49th United States Congress
The Forty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1885 to March 4, 1887, during the first two years...

17 Re-elected in 1884
United States Senate elections, 1884
The United States Senate election of 1884 was an election which had the Republican Party gain four seats in the United States Senate, and which coincided with the presidential election of 1884....

50
50th United States Congress
The Fiftieth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1887 to March 4, 1889, during the third and fourth...

51
51st United States Congress
The Fifty-first United States Congress, referred to by some critics as the Billion Dollar Congress, was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C...

52
52nd United States Congress
The Fifty-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C...

18 Re-elected in 1890
United States Senate elections, 1890
The United States Senate election of 1890 was an election which had the Republican Party lose two seats in the United States Senate, though still retain a commanding majority....



53
53rd United States Congress
The Fifty-third United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1893 to March 4, 1895, during the fifth and sixth...

54
54th United States Congress
- House of Representatives :-Leadership:- Senate :* President: Adlai E. Stevenson * President pro tempore: William P. Frye - Majority leadership :* Republican Conference Chairman: John Sherman- Minority leadership :...

17 Boies Penrose
Boies Penrose
Boies Penrose was an American lawyer and Republican politician from Philadelphia, Pennsylvania. He represented Pennsylvania in the United States Senate from 1897 until his death in 1921.-Biography:...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 4, 1897 –
December 31, 1921
55
55th United States Congress
-House of Representatives:* Republican: 206 * Democratic: 124* Populist: 22* Silver Republican: 3* Silver: 1* Independent Republican: 1TOTAL members: 357-Leadership:-Senate:* President: Garret Hobart * President pro tempore: William P...

19 Elected in 1896
United States Senate elections, 1896
The United States Senate election of 1896 was an election which had the Democratic Party lose six seats in the United States Senate, mostly to minor third parties....

56
56th United States Congress
-House of Representatives:- Leadership :- Senate :* President: Garret Hobart , until November 21, 1899 , vacant thereafter.* President pro tempore: William P. Frye * Democratic Caucus Chairman: James K. Jones...

57
57th United States Congress
-House of Representatives:*Democratic: 151*Republican: 200 *Populist: 5*Silver : 1TOTAL members: 357-Leadership:-Senate:* President: Theodore Roosevelt , until September 14, 1901, vacant thereafter....

58
58th United States Congress
- House of Representatives :* Republican : 209 * Democratic : 176* Silver Republican : 1TOTAL members: 386-Senate:* President: Vacant* President pro tempore: William P. Frye -Members:...

20 Re-elected in 1902
United States Senate elections, 1902
The United States Senate election of 1902 was an election which had the Republican Party and the Democratic Party each gain one seat in the United States Senate....

59
59th United States Congress
The Fifty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1905 to March 4, 1907, during the fifth and sixth...

60
60th United States Congress
The Sixtieth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1907 to March 4, 1909, during the last two years of...

61
61st United States Congress
The Sixty-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1909 to March 4, 1911, during the first two years of...

21 Re-elected in 1908
United States Senate elections, 1908
Some states elected their Senators directly even before passage of the 17th Amendment in 1913. Oregon pioneered direct election and experimented with different measures over several years until it succeeded in 1907. Soon after, Nebraska followed suit and laid the foundation for other states to...

62
62nd United States Congress
- House of Representatives :* Democratic : 230 * Republican : 162* Socialist : 1* Independent : 1TOTAL members: 394-Senate:* President: James S...

63
63rd United States Congress
- House of Representatives:*Democratic : 291 *Republican : 134*Progressive : 9*Independent : 1TOTAL members: 435-Senate:*President of the Senate: Thomas R. Marshall*President pro tempore: James P. Clarke-Senate:...

64
64th United States Congress
The Sixty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1915 to March 4, 1917, during the third and fourth...

22 Re-elected in 1914
United States Senate election in Pennsylvania, 1914
The 1914 United States Senate election in Pennsylvania was held on November 3, 1914. Incumbent Republican U.S. Senator Boies Penrose won re-election against Gifford Pinchot and Alexander Mitchell Palmer.-Results:...



65
65th United States Congress
The Sixty-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1917 to March 4, 1919, during the fourth and fifth...

66
66th United States Congress
The Sixty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, comprising the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1919 to March 4, 1921, during the last two years of...

67
67th United States Congress
The Sixty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1921 to March 4, 1923, during the first two years...

23
Vacant December 31, 1921 –
January 9, 1922
18 George Wharton Pepper Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

January 9, 1922 –
March 3, 1927
67
67th United States Congress
The Sixty-seventh United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1921 to March 4, 1923, during the first two years...


(Continued)
Elected in 1920
United States Senate election, 1920
The United States Senate elections of 1920 were elections for the United States Senate which coincided with the election of Warren G. Harding as President. Democrat Woodrow Wilson's unpopularity allowed Republicans to win races across the country, winning ten seats from the Democrats and cementing...



68
68th United States Congress
The Sixty-eighth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1923 to March 4, 1925, during the last months of...

69
69th United States Congress
The Sixty-ninth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1925 to March 4, 1927, during the third and fourth...

19 William S. Vare
William S. Vare
William Scott Vare was an American construction contractor and Republican Party politician from Philadelphia, Pennsylvania. He represented Pennsylvania in the U.S House and won a contested election to the United States Senate.-Youth:Bill Vare was the youngest of three Vare brothers who were all...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

March 4, 1927 –
December 6, 1929
70
70th United States Congress
The Seventieth United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1927 to March 3, 1929, during the last two years of...

24 Elected in 1926

Senate refused to seat due to allegations of corruption surrounding the election
71
71st United States Congress
The Seventy-first United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1929 to March 4, 1931, during the first two years...

Vacant December 6, 1929 –
December 11, 1929
20 Joseph R. Grundy
Joseph R. Grundy
Joseph Ridgway Grundy was an American textile manufacturer and Republican Party politician from Bristol, Pennsylvania. He represented Pennsylvania in the United States Senate.He was educated at Swarthmore College...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

December 11, 1929 –
December 1, 1930
Appointed to continue Vare's term

Lost nomination to finish Vare's term
21 James J. Davis
James J. Davis
James John Davis was an American steel worker and Republican Party politician in Pittsburgh, Pennsylvania. He served as U.S. Secretary of Labor and represented Pennsylvania in the United States Senate...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

December 2, 1930 –
January 3, 1945
71
71st United States Congress
The Seventy-first United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1929 to March 4, 1931, during the first two years...


(Continued)
Elected to finish Vare's term
72
72nd United States Congress
The Seventy-second United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1931 to March 4, 1933, during the last two years...

73
73rd United States Congress
The Seventy-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from March 4, 1933 to January 3, 1935, during the first two years...

25 Re-elected in 1932
74
74th United States Congress
-House:Also 2 Delegates, 3 Resident Commissioners-Senate:*President of the Senate: John N. Garner *President pro tempore: Key Pittman -Majority leadership:*Majority leader: Joseph T. Robinson...

75
75th United States Congress
The Seventy-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1937 to January 3, 1939, during the first two years...

76
76th United States Congress
The Seventy-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1939 to January 3, 1941, during the seventh and...

26 Re-elected in 1938

77
77th United States Congress
-Major events:* December 7, 1941: Attack on Pearl Harbor* December 8, 1941: Joint Session of Congress met to hear President Roosevelt deliver his "Day of Infamy" speech...

78
78th United States Congress
The Seventy-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1943 to January 3, 1945, during the last two years...

22 Francis J. Myers
Francis J. Myers
Francis John Myers was an American teacher, lawyer, and Democratic Party politician from Philadelphia, Pennsylvania. A graduate of the St. Joseph's University and Temple University School of Law, He represented Pennsylvania in the U.S. House of Representatives, and then in the United States Senate...

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

January 3, 1945 –
January 3, 1951
79
79th United States Congress
The Seventy-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1945 to January 3, 1947, during the last months of...

27 Elected in 1944

80
80th United States Congress
The Eightieth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1947 to January 3, 1949, during the third and fourth...

81
81st United States Congress
The Eighty-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives...

23 James H. Duff
James H. Duff
James Henderson Duff was an American lawyer and politician in the mid-20th century. He served as the 34th Governor of Pennsylvania and U.S...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

January 3, 1951 –
January 3, 1957
82
82nd United States Congress
The Eighty-second United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1951 to January 3, 1953, during the last two years...

28 Elected in 1950

83
83rd United States Congress
The Eighty-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1953 to January 3, 1955, during the first two years...

84
84th United States Congress
The Eighty-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1955 to January 3, 1957, during the third and...

24 Joseph S. Clark
Joseph S. Clark
Joseph Sill Clark, Jr. was a U.S. lawyer and Democratic Party politician in the mid-20th century. He served as the mayor of Philadelphia from 1952 until 1956, and as a United States Senator from Pennsylvania from 1957 until 1969...

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

January 3, 1957 –
January 3, 1969
85
85th United States Congress
The Eighty-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1957 to January 3, 1959, during the fifth and sixth...

29 Elected in 1956
86
86th United States Congress
The Eighty-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1959 to January 3, 1961, during the last two years...

87
87th United States Congress
-House of Representatives :-Senate:* President: Richard Nixon , until January 20, 1961** Lyndon Johnson , from January 20, 1961* President pro tempore: Carl Hayden -House of Representatives:...

88
88th United States Congress
The Eighty-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1963 to January 3, 1965, during the last year of...

30 Re-elected in 1962

Lost re-election
89
89th United States Congress
-House of Representatives:- Senate :* President of the Senate: Hubert Humphrey , starting January 20, 1965* President pro tempore: Carl Hayden - Majority leadership :* Majority Leader and Democratic Conference Chairman: Mike Mansfield...

90
90th United States Congress
The Ninetieth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1967 to January 3, 1969, during the last two years of...

25 Richard S. Schweiker Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

January 3, 1969 –
January 3, 1981
91
91st United States Congress
The Ninety-first United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1969 to January 3, 1971, during the first two years...

31 Elected in 1968
92
92nd United States Congress
The Ninety-second United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives...

93
93rd United States Congress
The Ninety-third United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1973 to January 3, 1975, during the end of Richard...

94
94th United States Congress
The Ninety-fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1975 to January 3, 1977, during the administration...

32 Re-elected in 1974

Did not run for re-election
95
95th United States Congress
The Ninety-fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1977 to January 3, 1979, during the first two years...

96
96th United States Congress
The Ninety-sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1979 to January 3, 1981, during the last two years...

26 Arlen Specter
Arlen Specter
Arlen Specter is a former United States Senator from Pennsylvania. Specter is a Democrat, but was a Republican from 1965 until switching to the Democratic Party in 2009...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

January 3, 1981 –
January 3, 2011
97
97th United States Congress
The Ninety-seventh United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1981 to January 3, 1983, during the final weeks of...

33 Elected in 1980
United States Senate election in Pennsylvania, 1980
The 1980 United States Senate election in Pennsylvania was held on November 4, 1980. Incumbent Republican U.S. Senator Richard Schweiker decided to retire, instead of seeking a third term. Republican Arlen Specter won the open seat.-Results:...

98
98th United States Congress
The Ninety-eighth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1983 to January 3, 1985, during the third and...

99
99th United States Congress
The Ninety-ninth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1985 to January 3, 1987, during the fifth and sixth...

100
100th United States Congress
-House of Representatives:- Senate :* President: George H.W. Bush * President pro tempore: John Stennis - Majority leadership :* Majority Leader, Democratic Conference Chairman, and Democratic Policy Committee Chairman: Robert Byrd...

34 Re-elected in 1986
United States Senate election in Pennsylvania, 1986
The 1986 United States Senate election in Pennsylvania was held on November 4, 1986. Incumbent Republican U.S. Senator Arlen Specter won re-election to a second term.-Campaign:...

101
101st United States Congress
The One Hundred First United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1989 to January 3, 1991, during the first two...

102
102nd United States Congress
-House of Representatives:- Senate :* President:Dan Quayle * President pro tempore: Robert Byrd - Majority leadership :* Majority Leader: George Mitchell* Majority Whip: Wendell Ford- Minority leadership :...

103
103rd United States Congress
- House of Representatives :- Leadership :- Senate :* President: Dan Quayle , until January 20, 1993** Al Gore , from January 20, 1993* President pro tempore: Robert Byrd - Majority leadership :* Majority Leader: George Mitchell...

35 Re-elected in 1992
United States Senate election in Pennsylvania, 1992
The 1992 United States Senate election in Pennsylvania was held on November 3, 1992. Incumbent Republican U.S. Senator Arlen Specter won re-election to a third term.-Democratic:...

104
104th United States Congress
The One Hundred Fourth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1995 to January 3, 1997, during the third and...

105
105th United States Congress
The One Hundred Fifth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1997 to January 3, 1999, during the fifth and...

106
106th United States Congress
The One Hundred Sixth United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, DC from January 3, 1999 to January 3, 2001, during the last two...

36 Re-elected in 1998
United States Senate election in Pennsylvania, 1998
The 1998 United States Senate election in Pennsylvania was held on November 3, 1998. Incumbent Republican U.S. Senator Arlen Specter won re-election to a fourth term.-Campaign:...

107
107th United States Congress
The One Hundred Seventh United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from January 3, 2001 to January 3, 2003, during the final...

108
108th United States Congress
The One Hundred Eighth United States Congress was the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives from January 3, 2003 to January 3, 2005, during the third and fourth years of George W. Bush's...

109
109th United States Congress
The One Hundred Ninth United States Congress was the legislative branch of the United States, composed of the United States Senate and the United States House of Representatives, from January 3, 2005 to January 3, 2007, during the fifth and sixth years of George W. Bush's presidency. House members...

37 Re-elected in 2004
United States Senate election in Pennsylvania, 2004
The 2004 United States Senate election in Pennsylvania was held on November 2, 2004. Incumbent Republican U.S. Senator Arlen Specter won re-election to a fifth term.-Campaign:...



Lost renomination
110
110th United States Congress
The One Hundred Tenth United States Congress was the meeting of the legislative branch of the United States federal government, between January 3, 2007, and January 3, 2009, during the last two years of the second term of President George W. Bush. It was composed of the Senate and the House of...

Democratic
Democratic Party (United States)
The Democratic Party is one of two major contemporary political parties in the United States, along with the Republican Party. The party's socially liberal and progressive platform is largely considered center-left in the U.S. political spectrum. The party has the lengthiest record of continuous...

111
111th United States Congress
The One Hundred Eleventh United States Congress was the meeting of the legislative branch of the United States federal government from January 3, 2009 until January 3, 2011. It began during the last two weeks of the George W. Bush administration, with the remainder spanning the first two years of...

27 Pat Toomey
Pat Toomey
Patrick Joseph "Pat" Toomey, Sr. is the junior United States Senator for Pennsylvania and a member of the Republican Party. Previously, Toomey served as a U.S. Representative for three terms, but did not seek a fourth in compliance with a pledge he had made while running for office in 1998...

Republican
Republican Party (United States)
The Republican Party is one of the two major contemporary political parties in the United States, along with the Democratic Party. Founded by anti-slavery expansion activists in 1854, it is often called the GOP . The party's platform generally reflects American conservatism in the U.S...

January 3, 2011 –
Present
112
112th United States Congress
The One Hundred Twelfth United States Congress is the current meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It convened in Washington, D.C. on January 3, 2011, and will end on January...

38 Elected in 2010
United States Senate election in Pennsylvania, 2010
The 2010 United States Senate election in Pennsylvania took place on November 2, 2010, during the 2010 midterm elections. Incumbent Republican-turned-Democrat U.S. Senator Arlen Specter ran for re-election to a sixth term, but lost in the Democratic primary to Joe Sestak. Republican nominee Pat...

113
113th United States Congress
The One Hundred Thirteenth United States Congress will be the next meeting of the legislative branch of the United States federal government after the 112th Congress is seated. It will be composed of the United States Senate and the United States House of Representatives. It is scheduled to meet...

114
# Senator Party Years Congress Term Electoral history

See also

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