According to his attestation papers dated March 4, 1915 at Lindsay, Ontario, Thomas Edward Bragg was born on June 16, 1872 at Plaistow, Essex, England. He listed his wife Annie Bragg, 5 Queen Street, Toronto (Humber Bay) has his next of kin. He was a teamster and had no previous military experience. He was 42 years and 9 months of age a stood 5 feet 6 inches tall. He had dark blue eyes, brown hair and a fair complexion. He was a member of the Church of England.
According to the 1911 census Thomas Bragg and his family were living on Davidson Crescent, Humber Bay. He emigrated to Canada from England with his family in 1905. At the time he was working at the local boltworks.