Source: April 1918 casualty.
Family Search: When Private Elmer Edward Magere was born on 5 September 1888, in Toronto, Ontario, Canada, his father, Samuel Mager, was 47 and his mother, Elizabeth Quantz, was 43. He lived in York, Ontario, Canada in 1901. He registered for military service in 1916. In 1916, at the age of 28, his occupation is listed as saw filer at the Consumers Box Company. in Toronto, Ontario, Canada. He died on 5 April 1918, in Neuville-Vitasse, Pas-de-Calais, France, at the age of 29, and is commemorated at Vimy, Pas-de-Calais, France.
PTE ED MAGER [sic] KILLED
Word has been received from the War Office at Ottawa by Mrs. Little, 296 Wallace avenue, and by his father Mr. S. Mager [sic], now in Kentucky, that Pte. Ed.. Mager [sic] was killed in action on April 5th. He went overseas with the 124th “Pals” Battalion in August 1916, and was in England three months before crossing to France. He was severely wounded at Vimy Ridge on April 9th, with gunshot wounds to the shoulder and the left thigh. Pte. Mager [sic] was 29 years old, and previous to enlisting was employed as a filer to the Consumers’ Box Company.
Source: Toronto Evening Telegram. April 22, 1918.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 