Source: 18th Battalion Association Memorial Booklet and Awards.
Find-A-Grave
Family Search: When Private Edward Thomas O’Rourke was born on 8 March 1898, in St. John, New Brunswick, Canada, his father, John James Rourke, was 26 and his mother, Rosemund McDade, was 22. He married Ada Isabelle Rogers on 18 January 1941, in Sydney, Cape Breton, Nova Scotia, Canada. He lived in Sydney, Cape Breton, Nova Scotia, Canada in 1931. In 1931, at the age of 33, his occupation is listed as sailor in Sydney, Cape Breton, Nova Scotia, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 