The 142nd (London's Own) Battalion, CEF was a unit in the Canadian Expeditionary Force during the First World War.
Based in London, Ontario, the unit began recruiting in late 1915 in that city.
Stewart reports that the 142nd Battalion was organized on December 22, 1915, with a strength of 574 men.
(Vimy Ridge)[3] of the 7th Regiment Fusiliers (Militia) attested to the 142nd Canadian Infantry Battalion in 1915.
Details of the links between the Militia and the Canadian Expeditionary Force are provided on Lt. Laughton's web site.