Source: Blog comment.
Family Search: Private William Arthur Davis was born on 6 December 1888, in Westminster Township, Middlesex, Ontario, Canada as the son of Sara Rose and William Davis. He had at least 3 sons and 2 daughters with Bertha Mae Cass. He lived in London, Ontario, Canada for about 7 years. He registered for military service in 1914. In 1914, at the age of 26, his occupation is listed as labourer in London, Ontario, Canada. He died on 19 June 1929, in Middlesex, Ontario, Canada, at the age of 40, and was buried in Mount Pleasant Cemetery, West McGillivray, Middlesex, Ontario, Canada.
May have lied about his date of birth.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 