Coulter collected books and magazines related to
physical culture. His collection is stored at the
H.J. Lutcher Stark Center for Physical Culture and Sports. With his Scottish-born wife née Ethel Alexander,{{cite news |title=Deaths: Mrs Ottley Coulter |url=https://www.newspapers.com/image/451302746/?terms=%22Ottley%2BCoulter%22 |accessdate=January 3, 2019 |work=Public Opinion |location=Chambersburg, Pennsylvania |date=April 28, 1972|page=11|via=
Newspapers.com Coulter died on December 17, 1976, in Lemont Furnace, at age 86. He was buried in the Sylvan Heights Cemetery. ==Selected works==