Source: Per post by Mark Carmichael at the 116th Battalion Facebook Page. Originally joined 116th and was transferred to 18th.
Family Search: Private John Victor Flynn was born on 1 January 1889, in Oshawa, Ontario, Ontario, Canada as the son of John Flynn and Margaret Jane. He married Agnes Irene Quigley on 25 November 1921, in Oshawa, Ontario, Ontario, Canada. He registered for military service in 1915. In 1915, at the age of 26, his occupation is listed as core maker in Oshawa, Durham, Ontario, Canada. He died on 31 July 1924, in his hometown, at the age of 35, and was buried in Saint Gregory’s Catholic Cemetery, Oshawa, Ontario, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 