Source: Per research by 160th Battalion Facebook Group. Confirmed served with 18th Battalion.
Family Search: When Private John George Smith was born on 6 November 1898, in Mildmay, Bruce, Ontario, Canada, his father, Jacob Schmidt, was 36 and his mother, Blandia Blanche Kloepfer, was 28. He lived in Bruce, Ontario, Canada for about 10 years. He registered for military service in 1916. He died on 23 November 1954, in London, Ontario, Canada, at the age of 56, and was buried in Detroit, Wayne, Michigan, United States.
AKA: John George Smith.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 