Source: April 1918 casualty.
Family Search: Private John Tuddenham was born on 23 July 1891, in Dumfries and Galloway, Scotland, United Kingdom as the son of James Tuddenham. He immigrated to Canada in 1913 and lived in Ridgetown, Kent, Ontario, Canada in 1916. He registered for military service in 1916. In 1916, at the age of 25, his occupation is listed as farmer in Ridgetown, Kent, Ontario, Canada. He died on 27 April 1918, in Neuville-Vitasse, Pas-de-Calais, France, at the age of 26, and was buried in Bellacourt Military Cemetery, Rivière, Pas-de-Calais, France.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 