Dean of the United States Senate
Encyclopedia
The Dean of the United States Senate is an informal term used to refer to the Senator
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...

 with the longest continuous service. The current Dean is Daniel Inouye
Daniel Inouye
Daniel Ken "Dan" Inouye is the senior United States Senator from Hawaii, a member of the Democratic Party, and the President pro tempore of the United States Senate making him the highest-ranking Asian American politician in American history. Inouye is the chairman of the United States Senate...

 of Hawaii
Hawaii
Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

. This is not an official position within the Senate; however, the President pro tempore
President pro tempore of the United States Senate
The President pro tempore is the second-highest-ranking official of the United States Senate. The United States Constitution states that the Vice President of the United States is the President of the Senate and the highest-ranking official of the Senate despite not being a member of the body...

 is customarily the longest-serving member of the majority party.

List of Deans

Dean(s) Party State Years First served
James Gunn
James Gunn (senator)
James Gunn was a delegate to the Continental Congress and United States Senate for Georgia.Gunn was born in Virginia to John and Mary Gunn. After being educated to the law, he moved and began the practice of law in Savannah, Georgia...

 
Anti-Admin
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...

,
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...

 
Georgia  1789 – 1797 1789
John Langdon
John Langdon
John Langdon was a politician from Portsmouth, New Hampshire, and one of the first two United States senators from that state. Langdon was an early supporter of the Revolutionary War and later served in the Continental Congress...

 
Pro-Admin
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...

,
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...

 
New Hampshire
and others
James Gunn
James Gunn (senator)
James Gunn was a delegate to the Continental Congress and United States Senate for Georgia.Gunn was born in Virginia to John and Mary Gunn. After being educated to the law, he moved and began the practice of law in Savannah, Georgia...

 
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...

 
Georgia  1797 – 1801
John Langdon
John Langdon
John Langdon was a politician from Portsmouth, New Hampshire, and one of the first two United States senators from that state. Langdon was an early supporter of the Revolutionary War and later served in the Continental Congress...

 
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...

 
New Hampshire
Theodore Foster
Theodore Foster
Theodore Foster was an American politician. He was a member of the Federalist Party and later the National Republican Party. He served as one of the first two United States Senators from Rhode Island and, following John Langdon, served as dean of the 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...

 
Rhode Island  1801 – 1803 1790
John Brown
John Brown (Kentucky)
John Brown was an American lawyer and statesman heavily involved with creating the State of Kentucky.Brown represented Virginia in the Continental Congress and the U.S. Congress . While in Congress, he introduced the bill granting Statehood to Kentucky. Once that was accomplished, he was elected...

 
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...

 
Kentucky  1803 – 1805 1791
James Hillhouse
James Hillhouse
James Hillhouse was an American lawyer, real estate developer, and politician from New Haven, Connecticut. He represented Connecticut in both the U.S. House and Senate...

 
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...

 
Connecticut  1805 – 1810 1796
Joseph Anderson
Joseph Anderson
Joseph Inslee Anderson was an American soldier, judge, and politician, who served as a United States Senator from Tennessee from 1799 to 1815, and later as the first Comptroller of the United States Treasury...

 
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...

 
Tennessee  1810 – 1815 1797
John Gaillard
John Gaillard
John Gaillard was a U.S. Senator from South Carolina.Gaillard was born in St. Stephen's district, South Carolina on September 5, 1765. He was of Huguenot descent. He was elected to the United States Senate in place of Pierce Butler, who resigned, and served from January 31, 1805 until his death....

 
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...

 
South Carolina  1815 – 1826 1804
Benjamin Ruggles
Benjamin Ruggles
Benjamin Ruggles was a National Republican and Whig politician from Ohio. He served in the U.S. Senate.Born in Abington, Windham County, Connecticut, Ruggles moved to Marietta, Ohio to practice law in 1807. He moved to St. Clairsville, Ohio in 1810. He married in Connecticut in 1812. His first...

 
National Republican
National Republican Party (United States)
The National Republicans were a political party in the United States. During the administration of John Quincy Adams , the president's supporters were referred to as Adams Men or Anti-Jackson. When Andrew Jackson was elected President of the United States in 1828, this group went into opposition...

 
Ohio  1826 – 1833 1815
William R. King
William R. King
William Rufus DeVane King was the 13th Vice President of the United States for about six weeks , and earlier a U.S. Representative from North Carolina, Minister to France, and a Senator from Alabama...

 
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...

 
Alabama  1833 – 1844 1819
Thomas Hart Benton
Thomas Hart Benton (senator)
Thomas Hart Benton , nicknamed "Old Bullion", was a U.S. Senator from Missouri and a staunch advocate of westward expansion of the United States. He served in the Senate from 1821 to 1851, becoming the first member of that body to serve five terms...

 
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...

 
Missouri  1844 – 1851 1821
Willie Person Mangum
Willie Person Mangum
Willie Person Mangum was a U.S. Senator from the state of North Carolina between 1831 and 1836 and between 1840 and 1853. He was one of the founders and leading members of the Whig party, and was a candidate for President on a Whig ticket in 1836.Mangum was born in Durham County, North Carolina...

 
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...

 
North Carolina  1851 – 1853 1831, 1840
James Pearce
James Pearce
James Alfred Pearce was an American politician. He was a member of the U.S. House of Representatives, representing the second district of Maryland from 1835–1839 and 1841-1843. He later served as a U.S. Senator from Maryland from 1843 until his death in 1862.Pearce was the son of Gideon Pearce...

 
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...

 
Maryland  1853 – 1862 1843
James A. Bayard, Jr.
James A. Bayard, Jr.
James Asheton Bayard, Jr. was an American lawyer and politician from Wilmington, in New Castle County, Delaware. He was a member of the Democratic Party, who served as U.S. Senator from Delaware.-Early life and family:...

 
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...

 
Delaware  1862 – 1864 1851
Solomon Foot
Solomon Foot
Solomon Foot was a Vermont lawyer, state representative and later senator who spent more than 25 years in elected office. He graduated from Middlebury College in 1826 and was admitted to the bar in 1831. He served as a state representative briefly in 1833, and also from 1836 to 1838...

 
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...

 
Vermont
Solomon Foot
Solomon Foot
Solomon Foot was a Vermont lawyer, state representative and later senator who spent more than 25 years in elected office. He graduated from Middlebury College in 1826 and was admitted to the bar in 1831. He served as a state representative briefly in 1833, and also from 1836 to 1838...

 
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...

 
Vermont  1864 – 1866
Benjamin F. Wade  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...

 
Ohio  1866 – 1869
Charles Sumner
Charles Sumner
Charles Sumner was an American politician and senator from Massachusetts. An academic lawyer and a powerful orator, Sumner was the leader of the antislavery forces in Massachusetts and a leader of the Radical Republicans in the United States Senate during the American Civil War and Reconstruction,...

 
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...

 
Massachusetts  1869 – 1874
Zachariah Chandler
Zachariah Chandler
Zachariah Chandler was Mayor of Detroit , a four-term U.S. Senator from the state of Michigan , and Secretary of the Interior under U.S. President Ulysses S. Grant .-Family:...

 
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...

 
Michigan  1874 – 1875 1857
Henry B. Anthony
Henry B. Anthony
Henry Bowen Anthony was a United States newspaperman and political figure. He served as the editor and later part owner of the Providence Journal and later was the 21st Governor of Rhode Island between 1849 and 1851, as a member of the Whig Party.The son of William Anthony and Mary Kennicut...

 
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...

 
Rhode Island  1875 – 1884 1859
George F. Edmunds
George F. Edmunds
George Franklin Edmunds was a Republican U.S. Senator from Vermont from 1866 to 1891.Born in Richmond, Vermont, Edmunds attended common schools and was privately tutored as a child. After being admitted to the bar in 1849, he started a law practice in Burlington, Vermont...

 
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...

 
Vermont  1884 – 1891 1866
Justin Smith Morrill
Justin Smith Morrill
Justin Smith Morrill was a Representative and a Senator from Vermont, most widely remembered today for the Morrill Land-Grant Colleges Act that established federal funding for establishing many of the United States' public colleges and universities...

 
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...

 
Vermont  1891 – 1898 1867
William B. Allison
William B. Allison
William Boyd Allison was an early leader of the Iowa Republican Party, who represented northeastern Iowa for four consecutive terms in the U.S. House before representing his state for six consecutive terms in the U.S. 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...

 
Iowa  1898 – 1908 1873
Eugene Hale
Eugene Hale
Eugene Hale was a Republican United States Senator from Maine.Born at Turner, Maine, he was educated in local schools and at Maine's Hebron Academy. He was admitted to the bar in 1857 and served for nine years as prosecuting attorney for Hancock County, Maine. He was elected to the Maine...

 
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...

 
Maine  1908 – 1911 1881
William P. Frye
William P. Frye
William Pierce Frye was an American politician from the U.S. state of Maine. Frye spent most of his political career as a legislator, serving in the Maine House of Representatives and U.S. House of Representatives before being elected to the U.S. Senate, where he served for 30 years and 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...

 
Maine  1911 1881
Shelby Moore Cullom
Shelby Moore Cullom
Shelby Moore Cullom was a U.S. political figure, serving in various offices, including the United States House of Representatives, the United States Senate and the 17th Governor of Illinois....

 
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...

 
Illinois  1911 – 1913 1883
Jacob Harold Gallinger
Jacob Harold Gallinger
Jacob Harold Gallinger , was a United States Senator from New Hampshire who served as President pro tempore of the Senate in 1912 and 1913.-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...

 
New Hampshire  1913 – 1918 1891
Henry Cabot Lodge
Henry Cabot Lodge
Henry Cabot "Slim" Lodge was an American Republican Senator and historian from Massachusetts. He had the role of Senate Majority leader. He is best known for his positions on Meek policy, especially his battle with President Woodrow Wilson in 1919 over the Treaty of Versailles...

 
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...

 
Massachusetts  1918 – 1924 1893
Francis E. Warren
Francis E. Warren
Francis Emroy Warren was an American politician of the Republican Party best known for his years in the United States Senate representing Wyoming.-Early life and military service:...

 
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...

 
Wyoming  1924 – 1929 1895
Furnifold M. Simmons
Furnifold McLendel Simmons
Furnifold McLendel Simmons was a Democratic member of the United States House of Representatives from 1887 to 1889 and U.S. senator from the state of North Carolina between 1901 and 1931. He served as chairman of the powerful Committee on Finance from 1913 - 1919...

 
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...

 
North Carolina  1929 – 1931 1901
Reed Smoot
Reed Smoot (U. S. Senator)
Reed Owen Smoot was a native-born Utahn who was first elected to the United States Senate from Utah in 1903, and served as a Senator until 1933...

 
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...

 
Utah  1931 – 1933 1903
William E. Borah
William Edgar Borah
William Edgar Borah was a prominent Republican attorney and longtime United States Senator from Idaho noted for his oratorical skills and isolationist views. One of his nicknames later in life was "The Lion of Idaho."...

 
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...

 
Idaho  1933 – 1940 1907
Ellison D. Smith
Ellison D. Smith
Ellison DuRant "Cotton Ed" Smith was a Democratic Party politician from the U.S. state of South Carolina. He represented South Carolina in the United States Senate from 1909 until 1944....

 
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...

 
South Carolina  1940 – 1944 1909
Kenneth McKellar
Kenneth McKellar
Kenneth Douglas McKellar was an American politician from Tennessee who served as a United States Representative from 1911 until 1917 and as a United States Senator from 1917 until 1953...

 
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...

 
Tennessee  1944 – 1953 1917
Walter F. George
Walter F. George
Walter Franklin George was an American politician from the state of Georgia. He was a long-time United States Senator and was President pro tempore. He was a Democrat.-Early years:...

 
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...

 
Georgia  1953 – 1957 1922
Carl Hayden  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...

 
Arizona  1957 – 1969 1927
Richard Russell, Jr.
Richard Russell, Jr.
Richard Brevard Russell, Jr. was a Democratic Party politician from the southeastern state of Georgia. He served as state governor from 1931 to 1933 and United States senator from 1933 to 1971....

 
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...

 
Georgia  1969 – 1971 1933
Allen J. Ellender
Allen J. Ellender
Allen Joseph Ellender was a popular U.S. senator from Houma, Louisiana , who served from 1937 until his death. He was a Democrat who was originally allied with the legendary Huey Pierce Long, Jr.. As Senator he compiled a generally conservative record, voting 77% of the time with the Conservative...

 
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...

 
Louisiana  1971 – 1972 1937
George D. Aiken  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...

 
Vermont  1972 – 1975 1941
James Eastland
James Eastland
James Oliver Eastland was an American politician from Mississippi who briefly served in the United States Senate as a Democrat in 1941; and again from 1943 until his resignation December 27, 1978. From 1947 to 1978, he served alongside John Stennis, also a Democrat...

 
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...

 
Mississippi  1975 – 1977 1941, 1943
John L. McClellan  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...

 
Arkansas  1943
James Eastland
James Eastland
James Oliver Eastland was an American politician from Mississippi who briefly served in the United States Senate as a Democrat in 1941; and again from 1943 until his resignation December 27, 1978. From 1947 to 1978, he served alongside John Stennis, also a Democrat...

 
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...

 
Mississippi  1977 – 1979 1941, 1943
Warren G. Magnuson
Warren G. Magnuson
Warren Grant "Maggie" Magnuson was a United States Senator of the Democratic Party from Washington from 1944 until 1981. Upon leaving the Senate, he was the most senior member of the body...

 
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...

 
Washington  1979 – 1981 1944
John C. Stennis
John C. Stennis
John Cornelius Stennis was a U.S. Senator from the state of Mississippi. He was a Democrat who served in the Senate for over 41 years, becoming its most senior member by his retirement.- 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...

 
Mississippi  1981 – 1989 1947
J. Strom Thurmond  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...

 
South Carolina  1989 – 2003 1954, 1956
Robert C. Byrd  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...

 
West Virginia  2003 – 2010 1959
Daniel Inouye
Daniel Inouye
Daniel Ken "Dan" Inouye is the senior United States Senator from Hawaii, a member of the Democratic Party, and the President pro tempore of the United States Senate making him the highest-ranking Asian American politician in American history. Inouye is the chairman of 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...

 
Hawaii  2010 – present 1963

See also

  • Baby of the United States Senate
  • Oldest living United States president
  • List of oldest surviving members of the House of Representatives
  • Dean of the United States House of Representatives
    Dean of the United States House of Representatives
    The Dean of the United States House of Representatives is the longest continuously serving member of the House. The present Dean is John Dingell, a Democrat of Michigan....

  • Longest living United States Senator
  • Earliest serving United States Senator
    Earliest serving United States Senator
    This page contains a list of the earliest serving United States Senators among those currently living and a list of the individuals who, at the time of their deaths, had served at the earliest date in the...

  • Oldest living United States governor
  • Earliest serving United States governor
    Earliest serving United States governor
    This page contains a list of the individuals, who, at the time of their deaths, were the earliest serving governor of any U.S. state who was still living. The current earliest serving U.S. governor is George M...

  • List of members of the United States Congress by longevity of service
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