According to his attestation papers dated January 24, 1916 at Toronto, Harry Drew of 26 Lansdowne Avenue, Toronto was born on December 13, 1887 in Toronto. He listed his mother Anna Drew 46 Beresford Street, Swansea, Toronto as his next of kin. He was a clerk, unmarried and had no previous military experience. He was 28 years and 1 month of age and stood 5 feet 6 inches tall. He had blue eyes, brown hair and a sallow complexion. He was circumsized. He was a member of the Church of England.
His brother John also enlisted.