Source: Per photo post by David Archer on the 18th Battalion Facebook Page (not group).
Family Search: When Private William Saxon Exley was born on 16 April 1887, in Yeadon, Yorkshire, England, United Kingdom, his father, Herbert Exley, was 36 and his mother, Matilda Foster, was 29. He married Jean Fields on 17 October 1910, in Hamilton, Hamilton-Wentworth, Ontario, Canada. They were the parents of at least 1 son. He immigrated to Detroit, Wayne, Michigan, United States in 1909 and lived in Haworth, Yorkshire, England, United Kingdom in 1901 and Hamilton, Wentworth, Ontario, Canada in 1931. In 1950, his occupation is listed as smart-turner machine company in Hamilton, Hamilton-Wentworth, Ontario, Canada. He died on 20 July 1957, in Hamilton, Hamilton-Wentworth, Ontario, Canada, at the age of 70.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 