According to his draft papers dated February 20, 1918 at Hamilton, Hugh Knox of Mimico, Ontario was born on July 22, 1892. He listed his father, George Knox, Mimico, Ontario as his next of kin. He was 25 years and 2 months of age and stood 5 feet 9 1/2 inches tall. He had brown eyes, light brown hair and medium complexion.
According to the 1921 Toronto City directory he was a fireman living with his father George Knox on the north side of Mimico Avenue, Mimico.