Source: SS Caronia Passenger Manifest. 1919.
Family Search: When Corporal Leo Joseph Boyle was born on 9 March 1890, in West Wawanosh Township, Huron, Ontario, Canada, his father, Bernard Boyle, was 34 and his mother, Joanne Hannah Cummins, was 31. He lived in Middlesex, Ontario, Canada in 1901. He registered for military service in 1915. In 1915, at the age of 25, his occupation is listed as labourer in London, Ontario, Canada. He died on 26 September 1959, in London, Ontario, Canada, at the age of 69, and was buried in St. Peter’s Cemetery, London, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 