Source: SS Caronia Passenger Manifest. 1919.
Family Search: When Private Robert Barnes Thompson was born on 6 September 1890, in St. Thomas, Elgin, Ontario, Canada, his father, Isaac Thompson, was 54 and his mother, Isabella Florence Farr, was 33. He immigrated to Detroit, Wayne, Michigan, United States in 1913 and lived in Elgin, Ontario, Canada in 1901. He died on 26 May 1926, in Detroit, Wayne, Michigan, United States, at the age of 35, and was buried in St. Thomas Cemetery, St. Thomas, Elgin, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 