According to his attestation papers dated April 13, 1917 at Toronto, Wilton Emery Heather was born on December 15, 1898 in Mimico, Ontario. He listed his mother Hariet Heather, Mimico as his next of kin. He was a clerk and had no previous military experience. He was 18 years and 3 months of age and stood 5 feet 5 1/2 inches tall. He had grey blue eyes, brown hair and a medium complexion. He had a mole on his right breast. He was a Methodist.
In the 1914 Toronto City directory his is listed as a clerk living with his father Herbert Heather on the west side of Station Road, Mimico. Herbert Heather was the owner of H. Heather & Son, plumbers on the south side the Lakeshore Road, Mimico.
In the 1921 Toronto City directory he is listed as living with Hariet Heather (widow Herbert) on the south side of the Lakeshore Road, Mimico.