Source: 18th Battalion Nominal Roll, April 1915.
Find-A-Grave
Family Search: Private Leonard Marsh was born on 23 April 1888, in Nottingham, Nottinghamshire, England, United Kingdom as the son of James Marsh and Julia Mary Ann Butler. He immigrated to Canada in 1913 and lived in London, Ontario, Canada in 1919. He registered for military service in 1914. In 1914, at the age of 26, his occupation is listed as labourer. He died in 1971, in Dorset, England, United Kingdom, at the age of 83.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 