Source: 18th Battalion Nominal Roll, April 1915.
Family Search: Lieutenant Alexander McKenzie MacDonald was born on 13 July 1884, in Scotland, United Kingdom as the son of MacDonald and Isabella. He had at least 2 sons and 1 daughter with Jessie. He immigrated to Canada in 1913 and lived in Scarborough, Toronto, Ontario, Canada in 1931 and East York, Toronto, Ontario, Canada in 1965. He registered for military service in 1914. In 1914, at the age of 30, his occupation is listed as tobacco dealer. He died on 31 May 1965, in Toronto, Ontario, Canada, at the age of 80, and was buried in Pine Hills Cemetery, Scarborough, Toronto, Ontario, Canada.
History of the 18th Battalion CEF, "The Fighting Eighteenth" 