Family Search: When Private William Howard Dudley was born on 21 December 1895, in Toronto, Ontario, Canada, his father, Thomas Joseph Dudley, was 42 and his mother, Sarah Jane McLain, was 41. He registered for military service in 1915. In 1915, at the age of 20, his occupation is listed as law student in Toronto, Ontario, Canada. He died on 10 May 1916, in Étaples, Pas-de-Calais, Nord-Pas-de-Calais, France, at the age of 20, and was buried in Etaples Military Cemetery, Étaples, Pas-de-Calais, Nord-Pas-de-Calais, France.
Toronto, Ontario, Canada · Friday, May 12, 1916. Source: Operation Picture Me.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 