Source: Gathering of Heroes.
Family Search: When Private Clarence Smith was born on 6 May 1889, in Chatham, Kent, Ontario, Canada, his father, Andrew Sedan Smith, was 49 and his mother, Mary Jane Beaul, was 23. He married Vera Rose Ethel Horton on 28 September 1911 in Sarnia, Lambton, Ontario, Canada. They were the parents of at least 2 sons and 2 daughters. He lived in Bothwell, Kent, Ontario, Canada, in 1901. He registered for military service in 1916. He died in 1961, in Chatham, Kent, Ontario, Canada, at the age of 72, and was buried in Chatham, Kent, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 