Source: 18th Battalion Nominal Roll, April 1915.
Find-A-Grave
Family Search: When Private William Pease was born on 7 July 1882, in Courtright, Lambton, Ontario, Canada, his father, Chester Pease, was 36 and his mother, Caroline Sugden, was 34. He lived in Lambton, Ontario, Canada in 1901. He registered for military service in 1914. In 1914, at the age of 32, his occupation is listed as sailor.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 