Source: Per post by Quentin de Givenchy at the 18th Battalion Facebook Group.
Family Search: When Private Gerald John Brown was born on 27 March 1892, in Belfast, Ireland, his father, John Brown, was 31 and his mother, Mrs. Sarah, was 27. He married Sarah Cis Flanagan in March 1919, in Belfast, Ireland. He lived in Malone, County Antrim, Ireland for about 10 years. In 1911, at the age of 19, his occupation is listed as hanker boy printing machine. He died on 30 December 1973, in Sault Ste. Marie, Algoma, Ontario, Canada, at the age of 81, and was buried in Greenwood Cemetery, Sault Ste. Marie, Algoma, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 