Source: Per research by 160th Battalion Facebook Group. Confirmed served with 18th Battalion.
Family Search: When Private John Alexander Crowe was born on 5 February 1892, in Arran Township, Bruce, Ontario, Canada, his father, Archibald Crow, was 19 and his mother, Margaret Donaldson, was 17. He married Christina Jean Buck on 20 June 1922, in Hanover, Grey, Ontario, Canada. They were the parents of at least 1 son. He lived in Ontario, Canada in 1892 and Bruce, Ontario, Canada for about 10 years. He registered for military service in 1916. He died in March 1957, at the age of 65, and was buried in Hanover Cemetery, Hanover, Grey, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 