Source: Per photograph of headstone by the London Robinsons at the 18th Battalion Facebook Group.
Family Search: When Sergeant Edward John Olney was born on 16 January 1874, in Middlesex, England, United Kingdom, his father, Edward John Olney, was 25 and his mother, Mary Gouldstone, was 23. He had at least 1 son and 3 daughters with Elizabeth Jane Richardson. He lived in Mile End New Town All Saints, Middlesex, England, United Kingdom in 1881 and Tottenham, Middlesex, England, United Kingdom in 1911. He registered for military service in 1914. In 1914, at the age of 40, his occupation is listed as chauffeur. He died on 19 April 1926, in London, Ontario, Canada, at the age of 52, and was buried in Mount Pleasant Cemetery, West McGillivray, Middlesex, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 