Source: 18th Battalion Nominal Roll, April 1915 and Source: Record of promotion for John Weir Baxter, reg. no. 159603.
Find-A-Grave
Family Search: When Sergeant Sidney Rayner was born on 2 March 1894, in Burringham, North Lincolnshire, Lincolnshire, England, United Kingdom, his father, William Hall Rayner, was 37 and his mother, Evelina Kirke, was 36. He immigrated to Canada in 1913. He registered for military service in 1915. In 1915, at the age of 21, his occupation is listed as farmer
Military Medal per London Gazette.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 