John Breese Hay was a U.S. Representative

United States House of Representatives

The United States House of Representatives is one of the two Houses of the United States Congress, the bicameral legislature which also includes the Senate.The composition and powers of the House are established in Article One of the Constitution...

 from Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

.

Born in Belleville, St. Clair County, Illinois, Hay received a limited schooling.
Learned the art of printing.
He studied law.
He was admitted to the bar

Admission to the bar in the United States

In the United States, admission to the bar is the granting of permission by a particular court system to a lawyer to practice law in that system. Each U.S. state and similar jurisdiction has its own court system and sets its own rules for bar admission , which can lead to different admission...

 in 1851 and commenced practice in Belleville, Illinois

Belleville, Illinois

Belleville is a city in St. Clair County, Illinois, United States. As of the 2010 census, the city has a population of 44,478. It is the eighth-most populated city outside of the Chicago Metropolitan Area and the most populated city south of Springfield in the state of Illinois. It is the county...

.
He served as prosecuting attorney for the twenty-fourth judicial district of Illinois 1860-1868.
He served as delegate to the Republican State convention in 1860.
He served in the Union Army

Union Army

The Union Army was the land force that fought for the Union during the American Civil War. It was also known as the Federal Army, the U.S. Army, the Northern Army and the National Army...

 during the Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

 in the One Hundred and Thirtieth Regiment, Illinois Volunteer Infantry.

Hay was elected as a 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...

 to the Forty-first

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...

 and Forty-second

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...

 Congress (March 4, 1869-March 3, 1873).
He was an unsuccessful candidate for reelection in 1872 to the Forty-third

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...

 Congress and for election in 1880 to the Forty-seventh

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...

 Congress.
He resumed the practice of law in Belleville.
Postmaster of Belleville, Illinois

Belleville, Illinois

Belleville is a city in St. Clair County, Illinois, United States. As of the 2010 census, the city has a population of 44,478. It is the eighth-most populated city outside of the Chicago Metropolitan Area and the most populated city south of Springfield in the state of Illinois. It is the county...

 from 1881 to 1885.
He served as judge of St. Clair County Court 1886-1900.
He served as mayor of Belleville from 1901 to 1905, when he resigned, having been again elected county judge, and served until 1914.
He died in Belleville, Illinois

Belleville, Illinois

Belleville is a city in St. Clair County, Illinois, United States. As of the 2010 census, the city has a population of 44,478. It is the eighth-most populated city outside of the Chicago Metropolitan Area and the most populated city south of Springfield in the state of Illinois. It is the county...

, on June 16, 1916.
He was interred in Green Mount Cemetery.