Otho Robards Singleton 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 Mississippi

Mississippi

Mississippi is a U.S. state located in the Southern United States. Jackson is the state capital and largest city. The name of the state derives from the Mississippi River, which flows along its western boundary, whose name comes from the Ojibwe word misi-ziibi...

 and a member of the Confederate States Congress during the American 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...

.

Born near Nicholasville, Kentucky

Nicholasville, Kentucky

Nicholasville is the 11th largest city in state of Kentucky and the county seat of Jessamine County, Kentucky, United States. The population was 19,680 at the 2000 census...

, Singleton attended the common schools.
He was graduated from St. Joseph's College, Bardstown, Kentucky

Bardstown, Kentucky

As of the census of 2010, there were 11,700 people, 4,712 households, and 2,949 families residing in the city. The population density was . There were 5,113 housing units at an average density of...

, and from the law department of the University of Lexington.
He was admitted to the bar in 1838 and commenced practice in Canton, Mississippi

Canton, Mississippi

Canton is a city in Madison County, Mississippi. The population was 12,911 at the 2000 census. It is the county seat of Madison County, and situated in the northern part of the metropolitan area surrounding the state capital, Jackson....

.
He served as member of the State house of representatives in 1846 and 1847.
He served in the State senate 1848-1854.

Singleton was elected as a Democrat

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...

 to the Thirty-third Congress (March 4, 1853 – March 3, 1855).
He was an unsuccessful candidate for reelection.

Singleton was elected to the Thirty-fifth and Thirty-sixth Congresses and served from March 4, 1857, until January 12, 1861, when he withdrew.
He served as a representative from Mississippi in the First Confederate Congress

First Confederate Congress

The First Confederate Congress was the first regular term of the legislature of the Confederate States of America. Members of the First Confederate Congress were chosen in elections mostly held on 6 November 1861.-Sessions:...

 and Second Confederate Congress

Second Confederate Congress

The Second Confederate Congress was the second and last regular term of the legislature of the Confederate States of America. Members of the Second Confederate Congress were chosen in elections held at various dates in 1863 and 1864...

 from 1861 to 1865.

Singleton was elected as a Democrat to the Forty-fourth and to the five succeeding Congresses (March 4, 1875-March 3, 1887).
He was not a candidate for renomination in 1886.
He died in Washington, D.C.

Washington, D.C.

Washington, D.C., formally the District of Columbia and commonly referred to as Washington, "the District", or simply D.C., is the capital of the United States. On July 16, 1790, the United States Congress approved the creation of a permanent national capital as permitted by the U.S. Constitution....

, January 11, 1889.
He was interred in Canton Cemetery, Canton, Mississippi.