David Alexander Conant was a resident of Mansfield on August 11, 1862 when he enlisted as a Sergeant in Co. D of the 21st Regiment Connecticut Volunteer Infantry. He was promoted to 1st Sergeant December 12, 1864 and mustered out June 16, 1865.
The descriptive muster roll for the 21st Regiment Connecticut Volunteer Infantry lists his age as 25 and his occupation as joiner. He is described as 5’11” tall with a fair complexion and dark hair and grey eyes. His marital status is single.
He was born about 1837 in Mansfield to John W. and Julia (Hanks) Conant. In the 1860 U.S. census in Mansfield, he is a 33 year old farmer in the household of Julia Conant. David A. Conant married Mary Ellen Phillips on December 12, 1866 in Northbridge, Massachusetts. Their children include Lucius P. Conant, born about 1868 in Massachusetts. David Conant was a carpenter living in Needham, Massachusetts by 1870.
David A. Conant died on April 16, 1900 in Needham, Massachusetts and is buried at the Newton Cemetery in Newton, Massachusetts.