I found a Thomas Brittain born 1833- 1863. Thomas was the son of H.C. and Elvira Brittain of Burke County, NC. Thomas had brothers James, who also died in the civil war 1862, Robert survived the civil war, died 1899, Waightstill dod 1924, Joseph and Welborn. Their sisters were Elizabeth and Minerva. Thomas and some of his siblings are buried at Mount Home Baptist Church.
In 1867 brother Joseph is named in estate papers. Also mentioned are Delia and Robert Brittain.