Source: August 1918 casualty.
Family Search: When Private Peter W. Ritchie was born on 16 April 1892, in Saugeen, Bruce, Ontario, Canada, his father, Peter Mamawassige Ritchie, was 45 and his mother, Sophia Wahbezee, was 20. He married Mary Wesley on 1 March 1911, in Bruce, Ontario, Canada. He lived in Bruce, Ontario, Canada in 1911. He registered for military service in 1916. In 1916, at the age of 24, his occupation is listed as farmer in Chippawa Hill, Saugeen 29, Bruce, Ontario, Canada. He died on 27 August 1918, in Vis-en-Artois, Pas-de-Calais, France, at the age of 26, and was buried in Wancourt British Cemetery, Wancourt, Pas-de-Calais, France.
Brother to Private Francis Ritchie, reg. no. 802630.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 