Digitized Service Record
Source: Post at 18th Battalion Facebook Group from Allan Miller.
Family Search: When John William Dennis was born on 21 March 1898, in Plumstead, London, England, United Kingdom, his father, Richard Henry Dennis, was 26 and his mother, Margaret Hazlitt, was 27. He married Lillian Laverne Grainger on 30 May 1925, in Kent, Ontario, Canada. He lived in Chatham, Kent, Ontario, Canada in 1921. He registered for military service in 1915. In 1915, at the age of 17, his occupation is listed as labourer. He died in Kent, Ontario, Canada, and was buried in Maple Leaf Cemetery, Chatham, Chatham-Kent, Ontario, Canada.
May be AKA John William Dennis.
This man’s father and brother served in the CEF. His father, Lance Corporal Richard Henry Dennis, 6675, was killed in action on 15 June 1915 while serving with the 1st Battalion at Festubert.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 