According to his attestation papers dated January 18, 1916 at Mimico, Sydney Hines, Mimico, Ontario was born on December 4, 1885 in Hertfordshire, England. He listed his wife Mrs. Mary Hines, Mimico, Ontario as his next of kin. He was a labourer at a Brass Works and was an active member of the 12th Regiment, York Rangers. He was 30 years and 1 month of age and stood 5 feet 7 inches tall. He had blue eyes, brown hair and a fair complexion. He was a member of the Church of England.
In the 1914 Toronto City directory he is listed as a brickmaker living on the east side of Station Road, Mimico.