Source: April 1917 casualty.
Family Search: When Private Alfred Charles Keay was born on 18 October 1896, in Tipton, Staffordshire, England, United Kingdom, his father, Henry Keay, was 37 and his mother, Emma Shaw, was 31. He immigrated to Quebec City, Quebec, Canada in 1912 and lived in Toronto, York, Ontario, Canada, in 1916. He registered for military service in 1916. In 1916, at the age of 20, his occupation was listed asa labourer in Toronto, York, Ontario, Canada. He died on 9 April 1917, in Thélus, Pas-de-Calais, France, at the age of 20, and was buried in Thélus, Pas-de-Calais, France.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 