Source: 116th Excel sheet by Mark Carmichael re. soldiers of 116th that served with the 18th Battalion.
Family Search: Robert Griffiths was born on 15 December 1891, in Whitechapel, London, England, United Kingdom as the son of Margaret Griffiths. He lived in Oshawa, Durham, Ontario, Canada for about 7 years. He registered for military service in 1915. In 1915, at the age of 24, his occupation is listed as coremaker in Oshawa, Durham, Ontario, Canada. He died on 24 March 1958, in Toronto, Ontario, Canada, at the age of 66, and was buried in Saint Gregory’s Catholic Cemetery, Oshawa, Ontario, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 