Source: Per news clipping post by David Archer at 18th Battalion Facebook Page (not group).
Family Search: When Private Frank McNulty was born on 28 February 1897, in Manchester, Greater Manchester, England, United Kingdom, his father, Sergeant John McNulty, was 25 and his mother, Annie Dean, was 26. He immigrated to Canada in 1911 and lived in Manchester, Lancashire, England, United Kingdom, for about 10 years. He registered for military service in 1915. In 1915, at the age of 18, his occupation is listed as lithographer, Harris Lithography in Toronto, York, Ontario, Canada. He died on 23 November 1933, in Toronto, Ontario, Canada, at the age of 36, and was buried in Mount Hope Catholic Cemetery, Toronto, Ontario, Canada.
Served with his father, Sergeant John McNulty, reg. no. 159004.
Father and son.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 