Source: Gathering Our Heroes
Family Search: When Captain Douglas Robertson Oliver was born on 23 January 1894, in Ruthven, Kingsville, Essex, Ontario, Canada, his father, Charles B. Oliver, was 28 and his mother, Helen N. Bickell, was 27. He had at least 1 daughter with Eileen Glenn. He registered for military service in 1929. In 1915, at the age of 21, his occupation is listed as 212 wellington street, west in Chatham, Kent, Ontario, Canada. He died on 14 January 1973, in Toronto, Ontario, Canada, at the age of 78, and was buried in Mount Pleasant Cemetery, Toronto, Ontario, Canada.
Wrote a letter of condolence to Mrs. Cowley, the mother of Private Archibald Vernon Cowley, who died April 22, 1918.
Tribute page for his father, Dr. Charles Baird Oliver.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 