Source: Record of promotion for H.W.J. Clark, reg. no. 78.
Family Search: Corporal William Francis Long was born on 22 September 1896, in Halifax, Nova Scotia, Canada as the son of William Long and Mary Bell Street. He married Margaret Lillian McGrath in 1909, in Halifax, Nova Scotia, Canada. They were the parents of at least 2 daughters. He registered for military service in 1915. In 1915, at the age of 19, his occupation is listed as horseman in Halifax, Nova Scotia, Canada. He died on 26 January 1935, in Halifax, Nova Scotia, Canada, at the age of 38, and was buried in Halifax, Nova Scotia, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 