Source: Gathering Our Heroes
Family Search: When Private William Lyell Johnstone was born on 15 December 1899, in Chatham, Kent, Ontario, Canada, his father, Alexander Johnstone, was 31 and his mother, Emma Elizabeth Barker, was 27. He married Irene Gillings on 17 October 1922, in Chatham, Kent, Ontario, Canada. They were the parents of at least 1 son and 2 daughters. He immigrated to Detroit, Wayne, Michigan, United States in 1943 and lived in Windsor, Sandwich, Essex, Ontario, Canada in 1931 and Windsor, Essex, Ontario, Canada for about 4 years. He registered for military service in 1917. In 1917, at the age of 18, his occupation is listed as student in Chatham, Kent, Ontario, Canada. He died on 7 April 1976, in Vancouver, British Columbia, Canada, at the age of 76, and was buried in Forest Lawn Memorial Park, Burnaby, British Columbia, Canada.
Underage. Born 1899/1900 depending on docment.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 