Source: Elgin County Book of Remembrance.
Commemorated at the Central United Church, St. Thomas, Ontario.
Family Search: When William Clifford Jackson was born on 1 September 1897, in St. Thomas, Ontario, Canada, his father, William Bates Jackson, was 32 and his mother, Mary Maud Atkinson, was 24. He lived in Elgin, Ontario, Canada for about 10 years and St. Thomas, Elgin, Ontario, Canada in 1917. He registered for military service in 1917. In 1917, at the age of 20, his occupation is listed as shipping clerk. He died on 11 October 1918, in Iwuy, Nord, Nord-Pas-de-Calais, France, at the age of 21, and was buried in Niagara Cemetery, Iwuy, Nord, Nord-Pas-de-Calais, France.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 