U.S., Sons of the American Revolution Membership Applications, 1889-1970. Name: Royal Sherwood Barnum; SAR Membership: 54219; Birth Date: 4 Oct 1915; Birth Place: Pittsfield, Berkshire, Massachusetts; Father: Albert Nelson Barnum; Mother: Margaret Tomlinson Barnum.
U.S., Department of Veterans Affairs BIRLS Death File, 1850-2010. Name: Royal Barnum; Birth Date: 4 Oct 1915; Death Date: 7 Dec 1980; SSN: 048052385; Branch 1: Army; Enlistment Date 1: 19 Feb 1944; Release Date 1: 22 May 1946.