Source: Per research by 160th Battalion Facebook Group. Confirmed served with 18th Battalion.
Family Search: When Charles Edgar Driffill was born on 18 August 1897, in Amabel Township, Bruce, Ontario, Canada, his father, William Spencer Driffill, was 29 and his mother, Martha Ellen Cutting, was 20. He had at least 1 daughter with Vera Irene Langley. He immigrated to Detroit, Wayne, Michigan, United States in 1925 and lived in United States in 1949 and Franklin Township, Lenawee, Michigan, United States in 1950. He registered for military service in 1916. In 1916, at the age of 19, his occupation is listed as machinist in Hepworth, Bruce, Ontario, Canada. He died on 16 July 1961, in Tipton, Franklin Township, Lenawee, Michigan, United States, at the age of 63, and was buried in Tipton, Franklin Township, Lenawee, Michigan, United States.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 