Clyde was enumerated in the 1920 and 1930 US Censuses together with his parents and siblings; in the 1940 Census he was enumerated alone with his mother.
Social Security Death Index about Clyde Barnum. Name: Clyde Barnum; SSN: 505-03-4371; Last Residence: 86336 Sedona, Coconino, Arizona, United States of America; Born: 23 Oct 1912; Died: Aug 1985; State (Year) SSN issued: Nebraska (before 1951).
U.S., Department of Veterans Affairs BIRLS Death File, 1850-2010. Name: Clyde Barnum; Gender: Male; Birth Date: 23 Oct 1912; Death Date: 20 Aug 1985; SSN: 505034371; Branch 1: Army; Enlistment Date 1: 29 Apr 1941; Release Date 1: 15 Dec 1945.