Editing 1st Canadian Division (section)

===Order of battle 1939–1945===
[[File:1st Canadian Infantry Division formation sign.png|thumb|right|Formation sign used to identify vehicles of the 1st Canadian Infantry Division during the war.]]
HQ
* 1st Canadian Infantry Division Defence and Employment Platoon ([[Lorne Scots]])

[[Royal Canadian Armoured Corps]]
* [[4th Reconnaissance Regiment (4th Princess Louise Dragoon Guards)]]

[[Royal Canadian Artillery]]
* [[1st Field Regiment (Canada)|1st Field Regiment, R.C.H.A.]]
* [[2nd Field Artillery Regiment (Canada)|2nd Field Regiment]]
* [[3rd Field Regiment (Canada)|3rd Field Regiment]]
* [[1st Anti-Tank Regiment (Canada)|1st Anti-Tank Regiment]]
* [[2nd Light Anti-Aircraft Regiment (Canada)|2nd Light Anti-Aircraft Regiment]]
* 12th Canadian Meteorological Section

[[Royal Canadian Infantry Corps]]
* [[The Saskatoon Light Infantry (M.G.)]] – Machine gun battalion
* [[1st Canadian Infantry Brigade]]:
** [[The Royal Canadian Regiment]]
** [[The Hastings and Prince Edward Regiment]]
** [[48th Highlanders of Canada]]
** 1st Canadian Infantry Brigade Ground Defence Platoon ([[Lorne Scots]])
* [[2nd Canadian Infantry Brigade]]:
** [[Princess Patricia's Canadian Light Infantry]]
** [[The Seaforth Highlanders of Canada]]
** [[The Loyal Edmonton Regiment]]
** 2nd Canadian Infantry Brigade Ground Defence Platoon ([[Lorne Scots]])
* [[3rd Canadian Infantry Brigade]]:
** [[Royal 22e Régiment|Royal 22<sup>e</sup> Régiment]]
** [[The Carleton and York Regiment]]
** [[The West Nova Scotia Regiment]]
** 3rd Canadian Infantry Brigade Ground Defence Platoon ([[Lorne Scots]])

[[1st Canadian Armoured Brigade]]
* [[11th Armoured Regiment (The Ontario Regiment)]]
* [[12th Armoured Regiment (Three Rivers Regiment)]]
* [[King's Own Calgary Regiment|14th Armoured Regiment (Calgary Regiment)]]

[[Royal Canadian Corps of Signals]]
* 1st Canadian Divisional Signals

[[Royal Canadian Engineers#World War II|Royal Canadian Engineers]]
* 1st Canadian Field Company
* 3rd Canadian Field Company
* 4th Canadian Field Company
* 2nd Canadian Field Park Company
* 1st Canadian Bridging Platoon

[[Royal Canadian Army Service Corps]]
* [[41 Service Battalion|1 Canadian Infantry Brigade Company]]
* 2 Canadian Infantry Brigade Company
* 3 Canadian Infantry Brigade Company
* 1 Canadian Infantry Divisional Troops Company
* No. 83 Company – originally a part of 1st Canadian Armoured Brigade, joined in 1943.

[[Royal Canadian Army Medical Corps]]
* [[No. 4 Canadian Field Ambulance]]
* [[No. 5 Canadian Field Ambulance]]
* [[No. 9 Canadian Field Ambulance]]
* No. 2 Canadian Field Hygiene Section
* [[No. 2 Canadian Light Field Ambulance]] – originally a part of 1st Canadian Armoured Brigade, joined in 1943.

[[Royal Canadian Ordnance Corps]]
* 1st Canadian Infantry Divisional Ordnance Field Park
* 1st Canadian Mobile Laundry and Bath Unit
* No. 1 Army Tank Brigade Sub-Park – originally a part of 1st Canadian Armoured Brigade, joined in 1943.
* 1st Tank Brigade Workshop – originally a part of 1st Canadian Armoured Brigade, joined in 1943.

[[Royal Canadian Electrical and Mechanical Engineers]]
* 1st Canadian Infantry Brigade Workshop
* 2nd Canadian Infantry Brigade Workshop
* 3rd Canadian Infantry Brigade Workshop
* No. 1 Infantry Troops Workshop

[[Royal Canadian Army Pay Corps]]
* 1st Canadian Field Cash Office

[[Royal Canadian Postal Corps]]
* 1 Canadian Infantry Division Postal Unit

[[Royal Canadian Dental Corps]]
* 1st Canadian Dental Company

[[Canadian Provost Corps]]
* [[Canadian Provost Corps#Second World War|No. 1 Provost Company (RCMP)]]

In July 1944, the divisional reconnaissance battalion, the 4th Princess Louise Dragoon Guards, converted to infantry and transferred to the 12th Canadian Infantry Brigade of the [[5th Canadian Division|5th Canadian Armoured Division]], to be replaced by [[The Royal Canadian Dragoons]]. The Princess Louise returned to its original [[Mechanized infantry|mechanized role]] in Northwest Europe in March 1945, and The Royal Canadian Dragoons became the armoured car regiment of [[I Canadian Corps]].