Source: April 1917 casualty.
Family Search: Private Bertram Devitt was born on 7 December 1881, in Pickering, Ontario, Ontario, Canada as the son of William Devitt and Jane Reid. He married Helen May Henderson on 17 September 1908, in York, Toronto, Ontario, Canada. He lived in Toronto, York, Ontario, Canada for about 10 years. He registered for military service in 1915. In 1915, at the age of 34, his occupation is listed as wine clerk in Toronto, York, Ontario, Canada. He died on 9 April 1917, in Thélus, Pas-de-Calais, France, at the age of 35, and was buried in Vimy, Pas-de-Calais, France.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 