According to his attestation papers dated November 1, 1916 at Toronto, Manley Garfield Chisholm was born on July 18, 1895 at St. Thomas, Elgin County, Ontario. He listed his father James W. Chisholm, Mimico, Ontario as his next of kin. He was a stenographer and had served in G.G.B.G. (?). He was 21 years of age and stood 5 feet 9 1/2 inches tall. He had brown hair, fair hair and complexion. He had a scar on his left knee cap. He was a Methodist.
He was a Lieutenant in the Corps of Military Staff Clerks.