Source: April 1918 casualty.
Family Search: Corporal Frederick Howard Gilfoy was born on 31 July 1893, in Halifax, Nova Scotia, Canada as the son of John Gilfoy and Annie Gilfoy. He married Florence Isabel Jayne in 1913, in Halifax, Nova Scotia, Canada. They were the parents of at least 2 daughters. He registered for military service in 1915. In 1915, at the age of 22, his occupation is listed as plumber in Halifax, Nova Scotia, Canada. He died on 2 April 1918, in Neuville-Vitasse, Pas-de-Calais, Nord-Pas-de-Calais, France, at the age of 24, and was buried in Bellacourt Military Cemetery, Rivière, Pas-de-Calais, Nord-Pas-de-Calais, France.
14 May 1918, Tue · Page 9. Via David Archer 18th Battalion Facebook Page (not Group).
History of the 18th Battalion CEF, "The Fighting Eighteenth" 