Source: September 1916 K.I.A.
Family Search: Private Percy Hartwright was born on 9 June 1892, in Birmingham, West Midlands, England, United Kingdom as the son of Father Hartwright and Mother Hartwright. He immigrated to Canada in 1913. He registered for military service in 1914. In 1914, at the age of 22, his occupation is listed as gun trade in Woodstock, Oxford, Ontario, Canada. He died on 15 September 1916, in Courcelette, Somme, Picardie, France, at the age of 24, and was buried in Pozieres British Cemetery, Pozières, Somme, Picardie, France.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 