Source: 18th Battalion Nominal Roll, April 1915.
Family Search: Private Christopher Crook was born on 3 June 1876, in Bolton, Lancashire, England, United Kingdom. He married Alice Crook on 25 February 1905, in Lever Bridge, Lancashire, England, United Kingdom. He immigrated to Canada in 1913 and lived in London, Ontario, Canada in 1918. He registered for military service in 1914. In 1914, at the age of 38, his occupation is listed as fireman in London, Ontario, Canada. He died on 21 October 1951, in Hamilton, Hamilton-Wentworth, Ontario, Canada, at the age of 75, and was buried in Woodland Cemetery, Hamilton, Hamilton-Wentworth, Ontario, Canada.