Source: 18th Battalion Nominal Roll, April 1915.
Family Search: When Sapper William Pilkington was born on 10 December 1874, in Liverpool, Lancashire, England, United Kingdom, his father, William Pilkington, was 30 and his mother, Mary Alice Lister, was 31. He lived in Pendleton, Lancashire, England, United Kingdom in 1891 and Los Angeles, Los Angeles, California, United States in 1921. He registered for military service in 1914. In 1914, at the age of 40, his occupation is listed as shipwright. He died on 27 May 1932, in New York City, New York, United States, at the age of 57, and was buried in The Evergreens Cemetery, Brooklyn, Kings, New York, United States.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 