Source: Per PM from Kent Kramer (160th Bruce Battalion) on Facebook.
Find-A-Grave
Family Search: Percy Arthur Barnes was born on 7 December 1871, in Ilford, Essex, England, United Kingdom as the son of Alfred George Barnes and Jane Barnes. He lived in Forest Gate, London, England, United Kingdom in 1929. He registered for military service in 1899. In 1916, at the age of 45, his occupation is listed as farmer. He died on 25 March 1929, in England, United Kingdom, at the age of 57.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 