Career
Later after marriage Mr. Hamilton became a military officer for the Texas Brigade (also known as Hood"s Brigade) Company M - First Texas Volunteer Infantry at the age of 18. After his surrender at the Appomattox Court House during the American Civil War he returned home to Sumpter, Texas May 25, 1865 without injury, and later lived in Centralia in Trinity County, Texas.
While home from the Civil War he served as the Trinity County Sheriff from 1865 to 1867.
Him and his family moved to Centralia, Texas when the county seat was moved from Sumpter to Centralia - where he operated a gristmill, saw mill, and farm. He was in the mercantile business for over 10 years.
He served in the Texas House of Representatives in the Twenty-third Texas Legislature from January 10, 1893 - January 8, 1895. His district covered the counties of Montgomery, Trinity, Walker.
In 1895, they sold their Trinity Country possessions and moved to Haskell County where he tried farming, and then was elected as County Judge and moved to the city of Haskell, Texas.
While living in Groveton, Texas, David wrote of his Civil War experiences which are still treasured by History Students of East Texas. They had Eight children: John Gibson Hamilton, Mary Annice Hamilton, Maranda Alzera Hamilton, Vera Alice Hamilton, Alzara Gertrude Hamilton, Dudley Warner Hamilton, Octavia Edmonia (Eddie) Hamilton, Allene Hamilton. David Henry Hamilton is also the great great grandfather of Texas Governor Rick Perry.