Source: Per Allan Miller query via Facebook.
Family Search: When Cecil Edwin Sisson was born on 12 January 1896, in Brooke, Lambton, Ontario, Canada, his father, Thomas Sisson, was 38 and his mother, Katherine Wilson, was 37. He had at least 1 son and 2 daughters with Dorothy Lavina Parker. He lived in Lambton, Ontario, Canada in 1901 and Watford, Warwick, Lambton, Ontario, Canada in 1916. He registered for military service in 1916. In 1916, at the age of 20, his occupation is listed as farmer and bookkeeper. He died on 10 March 1963, in Sarnia, Kent, Ontario, Canada, at the age of 67, and was buried in Grandview Cemetery, Massey, Sudbury, Ontario, Canada.
“Cecil served overseas in the infantry in W.W.I.,then served overseas in the Military Police Division of Canada. The young couple farmed in Enniskillen Township. Later, moving to Sarnia, he was on the Sarnia Police Force. Because of his wife, he had to leave the police force. He then worked in a drum plant and became deaf as a result.”
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War Diary of the 18th Battalion CEF 