Source: May 1917 casualty.
Family Search: When Private William George John Shillum was born on 1 April 1881, in London, England, United Kingdom, his father, James David Shillum, was 30 and his mother, Sarah Massey, was 31. He had at least 3 sons and 1 daughter with Julia Fanny Price. He immigrated to London, Ontario, Canada in 1910 and lived in Hackney, Middlesex, England, United Kingdom in 1901 and London, Ontario, Canada in 1911. He registered for military service in 1916. In 1916, at the age of 35, his occupation is listed as farmer in London, Ontario, Canada. He died on 6 May 1917, in Neuville-Saint-Vaast, Pas-de-Calais, France, at the age of 36, and was buried in Vimy, Pas-de-Calais, France.
Only served 4-days when he was killed.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 