Source: Per Jim Sommerdyk via 18th Battalion Facebook Group post per medals.
Find-A-Grave
Family Search: When Private Stanley Hirst was born on 24 December 1892, in Southampton, Hampshire, England, United Kingdom, his father, William Thomas Hirst, was 43 and his mother, Eliza Jane Dymott, was 41. He married Doris May Sutton on 5 August 1928, in Windsor, Sandwich Township, Essex, Ontario, Canada. He immigrated to Canada in 1914 and lived in Slough, Buckinghamshire, England, United Kingdom in 1939 and Toronto, York, Ontario, Canada in 1951. He registered for military service in 1914. In 1951, at the age of 59, his occupation is listed as toolmaker in Toronto, York, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 