William Anderson was a resident of Mansfield on January 8, 1864 when he enlisted as a Private in Co. K of the 29th (Colored) Regiment Connecticut Volunteer Infantry; he was detailed as an ambulance guard on December 8, 1864. He was mustered out in Brownsville, Texas on October 24, 1865.
The descriptive muster roll for the 29th (Colored) Regiment Connecticut Volunteer Infantry lists his age as 25 and his occupation as farmer. He is described as 5’ 8 ¾” tall with a black complexion and black hair and black eyes. His marital status is single.
He was born about 1839 in New Brunswick, Canada. William Anderson was not a resident of Mansfield in the 1860 U.S. census; no further information is known.