The battalion was created on 2 September 1914 with recruits from "Military District 1" which was Western Ontario.
The battalion set off for England on board the Laurentic berthed in Quebec.
They arrived in England on 14 October 1914 with a strength of 45 officers and 1121 men.
The battalion became part of the 1st Canadian Division, 1st Canadian Infantry Brigade where it saw action at Ypres and along the Western Front.
The battalion returned to Canada on 21 April 1919, was demobilized on 24 April 1919, and disbanded soon after
The 1st Battalion was awarded the following battle honours:
Ypres 1915 1917
Gravenstafel
St. Julien
Festubert 1915
Mount Sorrel
Somme 1916
Pozières
Flers-Courcelette
Ancre Heights
Arras 1917, 1918
Vimy 1917
Arleux
Scarpe 1917, 1918
Hill 70
Passchendaele
Amiens
Drocourt –Queant
Hindenburg Line
Canal du Nord
Pursuit to Mons
France & Flanders 1915, 1918
Numeral Collar Badge
Formation Patche
Cap Badge
Cameron, Alfred Henry #644046
Chappell, Albert Edward #6195
Harvey, Clarence Otto #657704
Harvey, William Thomas #657705
Lacey, Earl Laroy #189458
McAloney, Thomas "Tom" William #183621
Phelps, Grant Monroe #189325