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Canadian Army Mobilization Orders,  No. 1 to No. 9   

May 23, 2021

by Mark W. Tonner                                             May 23, 2021

                                                                                                                                                                                                                                            

Mobilization – 1st Canadian Infantry Division – April 1943

Infantry units – 1st Canadian Infantry Division:

Under Mobilization Order No. 1, dated 17 April 1943, with effect from 1 May 1943, the following Infantry units of the 1st Canadian Infantry Division were mobilized in the United Kingdom under the supervision of Headquarters, 1st Canadian Infantry Division:

                                                Unit Mobilization

Unit Serial NumberSerial NumberUnit
3131/1The Royal Canadian Regiment, CIC
3333/11st Battalion, The Hastings and Prince Edward Regiment. CIC
3232/11st Battalion, 48th Highlanders of Canada, CIC
3636/1Princess Patricia’s Canadian Light Infantry, CIC
3737/11st Battalion, The Seaforth Highlanders of Canada, CIC
3838/11st Battalion, The Edmonton Regiment, CIC
4141/1Royal 22e Regiment, CIC
4343/11st Battalion, The Carleton and York Regiment, CIC
4242/11st Battalion, The West Nova Scotia Regiment, CIC
Mobilization Order No. 1, dated 17 April 1943.

RCA units – 1st Canadian Infantry Division:

Under Mobilization Order No. 2, dated 18 April 1943, with effect from 1 May 1943, the following RCA units of the 1st Canadian Infantry Division were mobilized in the United Kingdom under the supervision of Headquarters, 1st Canadian Infantry Division:

                                                Unit Mobilization

Unit Serial NumberSerial NumberUnit
44/1Headquarters of 1st Divisional Artillery, RCA
55/11st Field Regiment, RCHA
 5A/1Headquarters, 1st Field Regiment, RCHA
 5B/1“A” Battery, RCHA
 5C/15D/1“B” Battery, RCHA
  “C” Battery, RCHA
1010/12nd Field Regiment, RCA
 10A/1Headquarters, 2nd Field Regiment, RCA
 10B/18th Field Battery, RCA
 10C/110th (St. Catharines) Field Battery, RCA
 10D/17th (Montreal) Field Battery, RCA
1515/13rd Field Regiment, RCA
 15A/1Headquarters, 3rd Field Regiment, RCA
 15B/177th Field Battery, RCA
 15C/119th Field Battery, RCA
 15D/192nd Field Battery, RCA
2020/11st Anti-Tank Regiment, RCA
 20A/1Headquarters, 1st Anti-Tank Regiment, RCA
 20B/151st Anti-Tank Battery, RCA
 20C/157th Anti-Tank Battery, RCA
 20D/127th Anti-Tank Battery, RCA
20E/190th Anti-Tank Battery, RCA
141141/12nd Light Anti-Aircraft Regiment, RCA
 141A/1Headquarters, 2nd Light Anti-Aircraft Regiment, RCA
 141B/12nd (Yorkton) Light Anti-Aircraft Battery, RCA
 141D/15th Light Anti-Aircraft Battery, RCA
 141E/154th Light Anti-Aircraft Battery, RCA
Mobilization Order No. 2, dated 18 April 1943.

RCE units – 1st Canadian Infantry Division:

Under Mobilization Order No. 3, dated 18 April 1943, with effect from 1 May 1943, the following RCE units of the 1st Canadian Infantry Division were mobilized in the United Kingdom under the supervision of Headquarters, 1st Canadian Infantry Division:

                                                Unit Mobilization

Unit Serial NumberSerial NumberUnit
2121/1Headquarters of 1st Divisional Engineers, RCE
2222/12nd Field Park Company, RCE
2323/11st Field Company, RCE
2424/13rd Field Company, RCE
2525/14th Field Company, RCE
Mobilization Order No. 3, dated 18 April 1943.

RCASC units 1st Canadian Infantry Division:

Under Mobilization Order No. 4, dated 18 April 1943, with effect from 1 May 1943, the following RCASC units of the 1st Canadian Infantry Division were mobilized in the United Kingdom under the supervision of Headquarters, 1st Canadian Infantry Division:

                                                Unit Mobilization

Unit Serial NumberSerial NumberUnit
4545/1Headquarters Commander 1st Infantry Division RCASC
963963/2No. 12 Company, RCASC (employed as 1st Infantry Divisional Troops Company, RCASC)
4646/1No. 1 Company, RCASC (employed as 1st Infantry Brigade Company, RCASC)
4747/1No. 2 Company, RCASC (employed as 2nd Infantry Brigade Company, RCASC)
4848/1No. 3 Company, RCASC (employed as 3rd Infantry Brigade Company, RCASC)
113113/1No. 41 General Transport Company, RCASC (employed as1st Infantry Divisional Transport Company, RCASC)
Mobilization Order No. 4, dated 17 April 1943.

RCAMC units 1st Canadian Infantry Division:

Under Mobilization Order No. 5, dated 18 April 1943, with effect from 1 May 1943, the following RCAMC units of the 1st Canadian Infantry Division were mobilized in the United Kingdom under the supervision of Headquarters, 1st Canadian Infantry Division:

                                                Unit Mobilization

Unit Serial NumberSerial NumberUnit
5151/1No. 4 Field Ambulance, RCAMC
4949/1No. 5 Field Ambulance, RCAMC
5050/1No. 9 Field Ambulance, RCAMC
13641364/1No. 1 Field Dressing Station, RCAMC
13651365/1No. 2 Field Dressing Station, RCAMC
5252/1No. 2 Field Hygiene Section, RCAMC
Mobilization Order No. 5, dated 18 April 1943.

RCOC units 1st Canadian Infantry Division:

Under Mobilization Order No. 6, dated 18 April 1943, with effect from 1 May 1943, the following RCOC units of the 1st Canadian Infantry Division were mobilized in the United Kingdom :

                                                Unit Mobilization

Unit Serial NumberSerial NumberUnit
150150/1Headquarters, 1st Infantry Divisional Royal Electrical Mechanical Engineers, RCOC
116A116A/11st Infantry Brigade Workshop, RCOC
116B116B/12nd Infantry Brigade Workshop, RCOC1
116C116C/13rd Infantry Brigade Workshop, RCOC
686686/1No. 68 Light Aid Detachment (Type A), RCOC
621621/1No. 7 Light Aid Detachment (Type B), RCOC
622622/1No. 8 Light Aid Detachment (Type B), RCOC
623623/1No. 9 Light Aid Detachment (Type B), RCOC
627627/1No. 13 Light Aid Detachment (Type A), RCOC
628628/1No. 14 Light Aid Detachment (Type B), RCOC
629629/1No. 15 Light Aid Detachment (Type B), RCOC
615615/1No. 1 Light Aid Detachment (Type A), RCOC
616616/1No. 2 Light Aid Detachment (Type A), RCOC
617617/1No. 3 Light Aid Detachment (Type A), RCOC
609E609E/12nd Light Anti-Aircraft Workshop (Type A), RCOC
446446/1No. 1 Infantry Troops Workshop, RCOC
117A117A/11st Infantry Divisional Sub-Park, RCOC
235235/1No. 1 Mobile Laundry and Bath Unit, RCOC
Mobilization Order No. 6 , dated 18 April 1943.

Sigs and Recce units 1st Canadian Infantry Division:

Under Mobilization Order No.7, dated 17 April 1943, with effect from 1 May 1943, the following Sigs and Recce units of the 1st Canadian Infantry Division were mobilized in the United Kingdom under the supervision of Headquarters, 1st Canadian Infantry Division:

                                                Unit Mobilization

Unit Serial NumberSerial NumberUnit
2626/11st Canadian Divisional Signals, RC Signals
580580/14th Reconnaissance Regiment (4th Princess Louise Dragoon Guards), CAC
Mobilization Order No. 7, dated 18 April 1943.

Headquarters units – 1st Canadian Infantry Division:

Under Mobilization Order No.8, dated 18 April 1943, with effect from 1 May 1943, the following Headquarters units of the 1st Canadian Infantry Division were mobilized in the United Kingdom::

                                                Unit Mobilization

Unit Serial NumberSerial NumberUnit
22/1Headquarters, 1st Canadian Infantry Division
3030/1Headquarters, 1st Canadian Infantry Brigade
3535/1Headquarters, 2nd Canadian Infantry Brigade
4040/1Headquarters, 3rd Canadian Infantry Brigade
541541/1No. 1 Canadian Field Security Section
5353/1No. 1 Provost Company (RCMP)
5454/11st Canadian Divisional Postal Unit, CPC
254A254A/11st Canadian Infantry Division Section Reinforcement Camp
118118/1No. 1 Field Cash Office
Mobilization Order No. 8, dated 18 April 1943.

Headquarters units – 1st Canadian Infantry Division:

Under Amendment No. 1 to Mobilization Order No.8, dated 29 April 1943, with effect from 16 May 1943, the following Headquarters units of the 1st Canadian Infantry Division were mobilized in the United Kingdom under the supervision of Headquarters, First Canadian Army:

                                                Unit Mobilization

Unit Serial NumberSerial NumberUnit
5555/1No. 1 Defence and Employment Platoon (Lorne Scots), CIC
Amendment No. 1 to Mobilization Order No.8, dated 29 April 1943.

Support Battalions – 1, 2, and 3 Canadian Divisions:

Under Mobilization Order No.9, dated 27 April 1943, the following units were mobilized in the United Kingdom:

                                                Unit Mobilization

Unit Serial NumberSerial NumberUnit
3939/11st Infantry Division Support Battalion (The Saskatoon Light Infantry), CIC (with effect from 16 May 1943)
 39A/1Headquarters, 1st Infantry Division Support Battalion (The Saskatoon Light Infantry), CIC
 39B/11st Infantry Brigade Support Group (The Saskatoon Light Infantry), CIC
 39C/12nd Infantry Brigade Support Group (The Saskatoon Light Infantry), CIC
 39D/13rd Infantry Brigade Support Group (The Saskatoon Light Infantry)
3434/12nd Infantry Division Support Battalion (The Toronto Scottish Regiment), CIC (with effect from 1 June 1943)
 34A/1Headquarters, 2nd Infantry Division Support Battalion (The Toronto Scottish Regiment), CIC
 34B/14th Infantry Brigade Support Group (The Toronto Scottish Regiment), CIC
 34C/15th Infantry Brigade Support Group (The Toronto Scottish Regiment), CIC
 34D/16th Infantry Brigade Support Group (The Toronto Scottish Regiment), CIC
733733/13rd Infantry Division Support Battalion (The Cameron Highlanders of Ottawa), CIC (with effect from 1 June 1943)
 733A/1Headquarters, 3rd Infantry Division Support Battalion (The Cameron Highlanders of Ottawa), CIC
 733B/17th Infantry Brigade Support Group (The Cameron Highlanders of Ottawa), CIC
 733C/18th Infantry Brigade Support Group (The Cameron Highlanders of Ottawa), CIC
 733D/19th Infantry Brigade Support Group (The Cameron Highlanders of Ottawa), CIC
Mobilization Order No. 9, dated 27 April 1943.

Acknowledgments:

The Author wishes to thank Mike Reintjes for putting the idea to write this, and following articles, on the series of Canadian Army Mobilization Orders which began to be issued to the Canadian Army Overseas by Canadian Military Headquarters (London), as the possibility of active operations approached in the spring of 1943. I wish to also thank Richard Law for publishing this article.

Sources:

LAC/ RG24, C-2, Volume: 12500, File: 6/MOB ORDER 1/1; File: 6/MOB ORDER 2/1; File: 6/MOB ORDER 3/1; File: 6/MOB ORDER 4/1; File: 6/MOB ORDER 5/1; File: 6/MOB ORDER 6/1; File: 6/MOB ORDER 7/1; File: 6/MOB ORDER 8/1; and File: 6/MOB ORDER 9/1

ON ACTIVE SERVICE, by M.W. Tonner, 2008, Service Publications; Ottawa, Ontario, Canada. ISBN 1 – 894581 – 44 – X

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