Source: 18th Battalion Nominal Roll, April 1915.
Find-A-Grave
Family Search: When Private Ernest Webb was born on 3 April 1888, in Henley-on-Thames, Oxfordshire, England, United Kingdom, his father, William Webb, was 35 and his mother, Ellen, was 33. He immigrated to Canada in 1913 and lived in Harpsden, Oxfordshire, England, United Kingdom in 1911 and London, Ontario, Canada in 1919. He registered for military service in 1915. In 1914, at the age of 26, his occupation is listed as groom in London, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 