Calvin Carter was the son of Andrew Jackson Carter Sr. and Margaret Graves Carter. He married Catherine Elizabeth Conrad on October 11, 1883, and they had 8 children. His death certificate gives his date of death as November 30, 1922, but his headstone says November 28.

Catherine Conrad married Calvin Carter on October 11, 1883. She was the mother of 6 sons (Alva, Aaron, Fred Jonathan, Willie Edgar, Virgil, and John Willis) and 2 daughters (Frona Bell and Winnie Mae).