Source: Re. post by 160th Bruce Battalion CEF Facebook Group.
Family Search: When Harold William Hammond was born on 16 August 1899, in Chesley, Elderslie, Bruce, Ontario, Canada, his father, James Hammond, was 26 and his mother, Elizabeth Mary Campbell, was 23. He married Alma Dorothy Subject on 16 June 1925, in Chesley, Arran-Elderslie, Bruce, Ontario, Canada. They were the parents of at least 1 son and 1 daughter. He registered for military service in 1915. In 1915, at the age of 16, his occupation is listed as student. He died in 1981, at the age of 82, and was buried in Chesley Cemetery, Chesley, Arran-Elderslie, Bruce, Ontario, Canada.
Other records show his name as Harold William Hammond. May have joined under aged. Birth year 1900.
Link to artifacts related to this soldier.
War Diary of the 18th Battalion CEF 