Poindexter Dunn 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 Arkansas

Arkansas

Arkansas is a state located in the southern region of the United States. Its name is an Algonquian name of the Quapaw Indians. Arkansas shares borders with six states , and its eastern border is largely defined by the Mississippi River...

.

Born near Raleigh, North Carolina

Raleigh, North Carolina

Raleigh is the capital and the second largest city in the state of North Carolina as well as the seat of Wake County. Raleigh is known as the "City of Oaks" for its many oak trees. According to the U.S. Census Bureau, the city's 2010 population was 403,892, over an area of , making Raleigh...

, Dunn moved with his father to Limestone County, Alabama

Limestone County, Alabama

Limestone County is a county of the U.S. state of Alabama, and is included in the Huntsville Metropolitan Area.It is also included in the merged Huntsville-Decatur Metro Area. Its name comes from Limestone Creek, a local stream. In 2000, the population was 65,676. As of 2010 the county's...

, in 1837.
He attended the country schools, and was graduated from Jackson College, Columbia, Tennessee

Columbia, Tennessee

Columbia is a city in Maury County, Tennessee, United States. The 2008 population was 34,402 according to U.S. Census Bureau estimates. It is the county seat of Maury County....

, in 1854.
He studied law.
He moved to St. Francis County, Arkansas, in 1856.

Dunn was elected to the State house of representatives in 1858.
He engaged in cotton growing until 1861.
He served as a captain in the Confederate States Army

Confederate States Army

The Confederate States Army was the army of the Confederate States of America while the Confederacy existed during the American Civil War. On February 8, 1861, delegates from the seven Deep South states which had already declared their secession from the United States of America adopted the...

 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...

.
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 1867 and commenced the practice of law in Forrest City, Arkansas

Forrest City, Arkansas

Forrest City is a city in and the county seat of St. Francis County, Arkansas, United States. It was named for General Nathan Bedford Forrest, who used the location as a campsite for a construction crew completing a railroad between Memphis and Little Rock, shortly after the Civil War. The...

.

Dunn 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 Forty-sixth

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...

 and to the four succeeding Congresses (March 4, 1879-March 3, 1889).
He served as chairman of the Committee on Merchant Marine and Fisheries (Fiftieth

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...

 Congress).
He was not a candidate for renomination in 1888.
He moved to Los Angeles, California

Los Angeles, California

Los Angeles , with a population at the 2010 United States Census of 3,792,621, is the most populous city in California, USA and the second most populous in the United States, after New York City. It has an area of , and is located in Southern California...

, in 1888 and continued the practice of law.
He was appointed a special commissioner for the prevention of frauds on the customs revenue, New York City, in 1893.
He moved to Baton Rouge, Louisiana

Baton Rouge, Louisiana

Baton Rouge is the capital of the U.S. state of Louisiana. It is located in East Baton Rouge Parish and is the second-largest city in the state.Baton Rouge is a major industrial, petrochemical, medical, and research center of the American South...

, in 1895 and engaged in the construction of railroads.
He settled in Texarkana, Texas

Texarkana, Texas

Texarkana is a city in Bowie County, Texas, United States. It effectively functions as one half of a city which crosses a state line — the other half, the city of Texarkana, Arkansas, lies on the other side of State Line Avenue...

, in 1905, and died there on October 12, 1914.
He was interred in Rose Hill Cemetery.