According to his attestation papers dated October 15, 1915 at Toronto, Percy Alfred Lanchbury of MacDonald Street, Mimico, was born on June 26, 1879 in Oxford, England. He listed his wife Mary Lanchbury, MacDonald Street, Mimico as his next of kin. He was a locomotive fitter and indicated that he had 8 years previous military training as a corporal in a Rifle Brigade, England and was also a signalling instructor. He was 36 years and 4 months of age and stood 5 feet 4 1/2 inches tall. He had hazel eyes, black hair and a dark complexion. He had a small mole on the his left side, a "second toe on his left foot" and "hoop chape". He was a member of the Church of England.
In the 1914 Toronto City directory he is listed as a fitter living on the south side of MacDonald Street, Mimico. In the 1921 Toronto City directory he is listed in the same location as an machinist Grand Trunk Railway.