Canadian Expeditionary Force Study Group
"The Matrix Project"

1917 ORBAT

Home Up

(Last Updated November 22, 2008 )

NOTES

  1.  Brigade level Canadian Field Artillery (CFA) units reorganized in 2nd and 3rd quarters:
    3rd Brigade CFA with 1st Division transferred to 4th Division in May 1917
    4th Brigade CFA reorganized February and March 1917 and transferred to 4th Division in May 1917
    8th Brigade CFA reorganized in May 1917 and transferred to Army Troops in June
    9th and 10th Brigades reorganized May 1917 when 11th Brigade CFA was dispersed
  2. The 60th Infantry Battalion (3rd Division, 9th Brigade) was disbanded in February 1917 due to heavy loses and replaced by the 116th Battalion.  The 73rd Battalion (4th Division, 12th Brigade) was replaced by the 85th Battalion in April 1917 due to heavy losses at Vimy Ridge and The Pimple. (see replacements)
  3. See March 1918 for reorganization of Canadian Machine Gun Companies into Canadian Machine Gun Battalions.
  4. The formation of the 5th Division in England in March 1917 (broken up in February 1918) saw the 164th, 198th, 208th and 236th Battalions replaced by the 128th, 199th and 202nd Battalions.
  5. The 107th Pioneer Battalion joined the 1st Canadian Division in March 1917.  It was absorbed into the 1st Canadian Engineer Brigade in May 1918.

MAJOR ACTION / BATTLES

1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
German Retreat to the Hindenburg Line
 March 24 - March 29		 The Battle of Arras
 April 9 - May 4
  Vimy Ridge
  1st Scarpe 1917
  2nd Scarpe 1917
  Attack on La Coulotte
  Arleux
  3rd Scarpe 1917

Battle of Messines
June 7 - June 14

Other Actions
June 3 - June 29
  Souchez River
  Capture of Avion

 Battle of Hill 70
August 15 - August 25

Battles of Ypres 1917
July 31 - September 25
  Pilckem Ridge
  Langemark
  Menin Road Ridge
  Polygon Wood

 Battles of Ypres 1917
 October 12 - November 10
  Broodseinde
  Poelcappelle
  1st Passchendaele
  2nd Passchendaele

Battle of Cambrai
November 20 - December 3
  The Tank Attack
  Bourlon Wood
  Counter Attacks

ARMY TROOPS

1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
  Canadian Cavalry Brigade:
 Royal Canadian Dragoons
Lord Strathcona's Horse
Fort Gary Horse
Canadian Light Horse
R.N.W.M.P. Squadron		    
  Field Artillery:
 R.C.H.A. Brigade

8th Army Brigade C.F.A.
  24th Field Battery
  30th Field Battery
  32nd Field Battery
  43rd Howitzer Battery
  8th Army Bde. A.C.

E Anti-Aircraft Battery

    
  Heavy Artillery:
 1st Brigade C.G.A.
  1st Siege Battery
  3rd Siege Battery
  7th Siege Battery
  9th Siege Battery

2nd Brigade C.G.A.
  1st Heavy Battery
  2nd Heavy Battery
  2nd Siege Battery
  4th Siege Battery
  5th Siege Battery
  6th Siege Battery

3rd Brigade C.G.A.
  8th Siege Battery
  10th Siege Battery
  11th Siege Battery
  12th Siege Battery

    
  5th Divisional Artillery:
 13th Brigade C.F.A.
  52nd Field Battery
  53rd Field Battery
  55th Field Battery
  51st Howitzer Battery

14th Brigade C.F.A.
  60th Field Battery
  61st Field Battery
  66th Field Battery
  58th Howitzer Battery

5th Division A.C.

 13th and 14th Brigades CFA to Corps Troops in August 1917  
  Engineers:
 1st-5th Army Troops Coys
A.A. Searchlight Coy
3rd Tunnelling Coy
Corps Survey Section
1st Tramways Coy
2nd Tramways Coy		    
  Machine Gun:
 		   
  Army Service Corps:
 Corps Troops M.T. Coys
1st-4th Div. M.T. Coys
Engineers M.T. Coy
Motor M.G. M.T. Coy
5th Div. Artillery M.T. Coy
5th Div. Train Detachment		    
  Medical Corps:
 Nos. 1-3 General Hospitals
Nos. 6-8 General Hospitals
No. 2 Stationary Hospital
No. 3 Stationary Hospital
7-10 Stationary Hospitals
Forestry Corps Hospitals 6
Nos. 1-4 C.C.S
No. 7 Cavalry Field  Amb.		    
  Railway Troops:
 C.O.R.C.C.
1st-13th Battalions		    
  Labour:
 1st-4th Inf. Works Coys
5th-9th Area Emp. Coys		    
  Miscellaneous:
 Can. Cyclist Battalion
Corps Signal Company
Reinforcement Camp
Corps Schools
Forestry Companies (58)		    

ARMY CORPS

First Division

1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
Divisional Headquarters:
 (Maj. Gen. A. W. Currie)		 Divisional Headquarters:
 (Maj. Gen. A. W. Currie)		 Divisional Headquarters:
 (Maj. Gen. A. C. MacDonell)		 Divisional Headquarters:
 (Maj. Gen. A. C. MacDonell)
Canadian Cavalry Brigade:
 		Canadian Cavalry Brigade:
 		Canadian Cavalry Brigade:
 		Canadian Cavalry Brigade:
Divisional Mounted Troops:
 none		 Divisional Mounted Troops:
 none		 Divisional Mounted Troops:
 none		 Divisional Mounted Troops:
 none
Machine Gun:
13th Machine Gun Coy
(joined January 1917) 		 Machine Gun:
13th Machine Gun Coy		 Machine Gun:
13th Machine Gun Coy		 Machine Gun:
13th Machine Gun Coy
Divisional Artillery:

from 1916 ORBAT:

12th C.F.A.
(formed June 1916: 8 Bty from 2 Bdg, 47 Bty formed in 1 Bde and 49 in 3 Bde - disbanded March 1917)

3rd Brigade CFA
  10th Field Battery
  11th Field Battery
  12th Field Battery
  9th Howitzer Battery

12th C.F.A.
  8th Field Battery
  47th Field Battery
  49th Field Battery
(formed June 1916: 8 Bty from 2 Bdg, 47 Bty formed in 1 Bde and 49 in 3 Bde - disbanded March 1917)

Divisional Artillery:
1st Brigade CFA
  1st Field Battery
  3rd Field Battery
  4th Field Battery
  2nd Howitzer Battery
2nd Brigade CFA
  5th Field Battery
  6th Field Battery
  7th Field Battery
  48th Howitzer Battery
3rd Brigade CFA
transferred to 4th Division in May 1917
  10th Field Battery
  11th Field Battery
  12th Field Battery
  9th Howitzer Battery

X.IC Med. T.M. Battery
Y.IC Med. T.M. Battery
Z.IC Med. T.M. Battery

W.IC Heavy T. M. Battery

 Divisional Artillery:
1st Brigade CFA
  1st Field Battery
  3rd Field Battery
  4th Field Battery
  2nd Howitzer Battery
2nd Brigade CFA
  5th Field Battery
  6th Field Battery
  7th Field Battery
  48th Howitzer Battery		 Divisional Artillery:
1st Brigade CFA
  1st Field Battery
  3rd Field Battery
  4th Field Battery
  2nd Howitzer Battery
2nd Brigade CFA
  5th Field Battery
  6th Field Battery
  7th Field Battery
  48th Howitzer Battery
Ammunition Column:
1st Division		 Ammunition Column:
1st Division		 Ammunition Column:
1st Division		 Ammunition Column:
1st Division
Divisional Engineers:
1st Coy. C.E.
2nd Coy. C.E.
3rd Coy. C.E.		 Divisional Engineers:
1st Coy. C.E.
2nd Coy. C.E.
3rd Coy. C.E.		 Divisional Engineers:
1st Coy. C.E.
2nd Coy. C.E.
3rd Coy. C.E.		 Divisional Engineers:
1st Coy. C.E.
2nd Coy. C.E.
3rd Coy. C.E.
Signal Company:
1st Division		 Signal Company:
1st Division		 Signal Company:
1st Division		 Signal Company:
1st Division
Pioneer Battalion:
 1st Pioneer Battalion
(formed November 1915, joined March 1916 and in February 1917 became 9th Railway Battalion)		 Pioneer Battalion:
 107th Pioneer Battalion
(107th Infantry Battalion converted to Pioneer Battalion 21/1/1917 and joined March 1917 until absorbed into C.E. in May 1918)		 Pioneer Battalion:
 107th Pioneer Battalion		 Pioneer Battalion:
 107th Pioneer Battalion
1st Infantry Brigade:
(Br. Gen. W. A. Griesbach)
 1st Battalion
2nd Battalion
3rd Battalion
4th Battalion
1st Trench Mortar Battery
1st Machine Gun Coy		 1st Infantry Brigade:
(Br. Gen. W. A. Griesbach)
 1st Battalion
2nd Battalion
3rd Battalion
4th Battalion
1st Trench Mortar Battery
1st Machine Gun Coy		 1st Infantry Brigade:
(Br. Gen. W. A. Griesbach)
 1st Battalion
2nd Battalion
3rd Battalion
4th Battalion
1st Trench Mortar Battery
1st Machine Gun Coy		 1st Infantry Brigade:
(Br. Gen. W. A. Griesbach)
 1st Battalion
2nd Battalion
3rd Battalion
4th Battalion
1st Trench Mortar Battery
1st Machine Gun Coy
(reorganized March 1918)
2nd Infantry Brigade:
(Br. Gen. F. W. Loomis)
 5th Battalion
7th Battalion
8th Battalion
10th Battalion
2nd Trench Mortar Battery
2nd Machine Gun Coy 		2nd Infantry Brigade:
(Br. Gen. F. W. Loomis)
5th Battalion
7th Battalion
8th Battalion
10th Battalion
2nd Trench Mortar Battery
2nd Machine Gun Coy
 2nd Infantry Brigade:
(Br. Gen. F. W. Loomis)
 5th Battalion
7th Battalion
8th Battalion
10th Battalion
2nd Trench Mortar Battery
2nd Machine Gun Coy 		2nd Infantry Brigade:
(Br. Gen. F. W. Loomis)
 5th Battalion
7th Battalion
8th Battalion
10th Battalion
2nd Trench Mortar Battery
2nd Machine Gun Coy
(reorganized March 1918)
3rd Infantry Brigade:
(Br. Gen. G. S. Tuxford)
 13th Battalion
14th Battalion
15th Battalion
16th Battalion
3rd Trench Mortar Battery
3rd Machine Gun Coy		 3rd Infantry Brigade:
(Br. Gen. G. S. Tuxford)
13th Battalion
14th Battalion
15th Battalion
16th Battalion
3rd Trench Mortar Battery
3rd Machine Gun Coy
 3rd Infantry Brigade:
(Br. Gen. G. S. Tuxford)
 13th Battalion
14th Battalion
15th Battalion
16th Battalion
3rd Trench Mortar Battery
3rd Machine Gun Coy 		3rd Infantry Brigade:
(Br. Gen. G. S. Tuxford)
 13th Battalion
14th Battalion
15th Battalion
16th Battalion
3rd Trench Mortar Battery
3rd Machine Gun Coy
(reorganized March 1918)
Divisional Train C.A.S.C.
1st Division		 Divisional Train C.A.S.C.
1st Division		 Divisional Train C.A.S.C.
1st Division		 Divisional Train C.A.S.C.
1st Division
Field Ambulance
No. 1 Field Ambulance
No. 2 Field Ambulance
No. 3 Field Ambulance		 Field Ambulance
No. 1 Field Ambulance
No. 2 Field Ambulance
No. 3 Field Ambulance		 Field Ambulance
No. 1 Field Ambulance
No. 2 Field Ambulance
No. 3 Field Ambulance		 Field Ambulance
No. 1 Field Ambulance
No. 2 Field Ambulance
No. 3 Field Ambulance
Miscellaneous:
1st Mobile Veterinary Section		 Miscellaneous:
1st Mobile Veterinary Section
1st Divisional Employment
(joined June 1917)		 Miscellaneous:
1st Mobile Veterinary Section
 Miscellaneous:
1st Mobile Veterinary Section
1st Divisional Employment

Second Division

1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
Divisional Headquarters:
 (Maj. Gen. H. E. Burstall)		 Divisional Headquarters:
 (Maj. Gen. H. E. Burstall)		 Divisional Headquarters:
 (Maj. Gen. H. E. Burstall)		 Divisional Headquarters:
 (Maj. Gen. H. E. Burstall)
Canadian Cavalry Brigade:
 		Canadian Cavalry Brigade:
 		Canadian Cavalry Brigade:
 		Canadian Cavalry Brigade:
Divisional Mounted Troops:
 		Divisional Mounted Troops:
 		Divisional Mounted Troops:
 		Divisional Mounted Troops:
Machine Gun:
 Machine Gun:
 Machine Gun:
 Machine Gun:
Divisional Artillery:
 4th C.F.A.
  13th Field Battery
  14th Field Battery
  19th Field Battery
5th C.F.A.
  17th Field Battery
  18th Field Battery
  20th Field Battery
  23rd Howitzer Battery
6th C.F.A
  15th Field Battery
  16th Field Battery
  22nd Howitzer Battery
  28th Field Battery
7th Can. Arty. Bde.
   (broken up March 1917)
  21st Howitzer Battery
  25th Field Battery
  26th Field Battery
  27th Field Battery

X.2C Med. T.M. Battery
Y.2C Med. T.M. Battery
Z.2C Med. T.M. Battery

W.2C Heavy T.M. Battery

 Divisional Artillery:
 4th Brigade CFA
transferred to 4th Division in May 1917

5th Brigade CFA
  17th Field Battery
  18th Field Battery
  20th Field Battery
  23rd Howitzer Battery

6th Brigade CFA
  15th Field Battery
  16th Field Battery
  25th Field Battery
  22nd Howitzer Battery

X.2C Med. T.M. Battery
Y.2C Med. T.M. Battery
Z.2C Med. T.M. Battery

W.2C Heavy T.M. Battery

 Divisional Artillery:
5th Brigade CFA
  17th Field Battery
  18th Field Battery
  20th Field Battery
  23rd Howitzer Battery

6th Brigade CFA
  15th Field Battery
  16th Field Battery
  25th Field Battery
  22nd Howitzer Battery

X.2C Med. T.M. Battery
Y.2C Med. T.M. Battery
Z.2C Med. T.M. Battery

W.2C Heavy T.M. Battery

 Divisional Artillery:
 5th Brigade CFA
  17th Field Battery
  18th Field Battery
  20th Field Battery
  23rd Howitzer Battery

6th Brigade CFA
  15th Field Battery
  16th Field Battery
  25th Field Battery
  22nd Howitzer Battery

X.2C Med. T.M. Battery
Y.2C Med. T.M. Battery
Z.2C Med. T.M. Battery

W.2C Heavy T.M. Battery
Ammunition Column:
2nd Division		 Ammunition Column:
2nd Division		 Ammunition Column:
2nd Division		 Ammunition Column:
2nd Division
Divisional Engineers:
4th Battalion
5th Battalion
6th Battalion		 Divisional Engineers:
4th Battalion
5th Battalion
6th Battalion		 Divisional Engineers:
4th Battalion
5th Battalion
6th Battalion		 Divisional Engineers:
4th Battalion
5th Battalion
6th Battalion
Signal Company:
1st Division Signal Coy		 Signal Company:
1st Division Signal Coy		 Signal Company:
1st Division Signal Coy		 Signal Company:
1st Division Signal Coy
Pioneer Battalion:
 2nd Pioneer Battalion		 Pioneer Battalion:
 107th Pioneer Battalion		 Pioneer Battalion:
 107th Pioneer Battalion		 Pioneer Battalion:
 107th Pioneer Battalion
4th Infantry Brigade:
(Br. Gen. R. Rennie)
18th Battalion
19th Battalion
20th Battalion
21st Battalion
4th Trench Mortar Battery
4th Machine Gun Coy		 4th Infantry Brigade:
(Br. Gen. R. Rennie)
18th Battalion
19th Battalion
20th Battalion
21st Battalion
4th Trench Mortar Battery
4th Machine Gun Coy		 4th Infantry Brigade:
(Br. Gen. R. Rennie)
18th Battalion
19th Battalion
20th Battalion
21st Battalion
4th Trench Mortar Battery
4th Machine Gun Coy		 4th Infantry Brigade:
(Br. Gen. R. Rennie)
18th Battalion
19th Battalion
20th Battalion
21st Battalion
4th Trench Mortar Battery
4th Machine Gun Coy
5th Infantry Brigade:
(Brig. Gen. A. H. MacDonnell)
22nd Battalion
24th Battalion
25th Battalion
26th Battalion
5th Trench Mortar Battery
5th Machine Gun Coy		 5th Infantry Brigade:
(Brig. Gen. A. H. MacDonnell)
22nd Battalion
24th Battalion
25th Battalion
26th Battalion
5th Trench Mortar Battery
5th Machine Gun Coy		 5th Infantry Brigade:
(Brig. Gen. J. M. Ross)
22nd Battalion
24th Battalion
25th Battalion
26th Battalion
5th Trench Mortar Battery
5th Machine Gun Coy		 5th Infantry Brigade:
(Brig. Gen. J. M. Ross)
22nd Battalion
24th Battalion
25th Battalion
26th Battalion
5th Trench Mortar Battery
5th Machine Gun Coy
6th Infantry Brigade:
(Brig. Gen. H. D. B. Ketchen)
27th Battalion
28th Battalion
29th Battalion
31st Battalion
6th Trench Mortar Battery
6th Machine Gun Coy		 6th Infantry Brigade:
(Brig. Gen. H. D. B. Ketchen)
27th Battalion
28th Battalion
29th Battalion
31st Battalion
6th Trench Mortar Battery
6th Machine Gun Coy		 6th Infantry Brigade:
(Brig. Gen. H. D. B. Ketchen)
27th Battalion
28th Battalion
29th Battalion
31st Battalion
6th Trench Mortar Battery
6th Machine Gun Coy		 6th Infantry Brigade:
(Brig. Gen. H. D. B. Ketchen)
27th Battalion
28th Battalion
29th Battalion
31st Battalion
6th Trench Mortar Battery
6th Machine Gun Coy
  Machine Gun:    
Divisional Train:
2nd Division		 Divisional Train:
2nd Division		 Divisional Train:
2nd Division		 Divisional Train:
2nd Division
Field Ambulance:
No. 4 Field Ambulance
No. 5 Field Ambulance
No. 6 Field Ambulance		 Field Ambulance:
No. 4 Field Ambulance
No. 5 Field Ambulance
No. 6 Field Ambulance		 Field Ambulance:
No. 4 Field Ambulance
No. 5 Field Ambulance
No. 6 Field Ambulance		 Field Ambulance:
No. 4 Field Ambulance
No. 5 Field Ambulance
No. 6 Field Ambulance
  Employment Company
2nd Division		    
Veterinary Section:
2nd Mobile Veterinary		 Veterinary Section:
2nd Mobile Veterinary		 Veterinary Section:
2nd Mobile Veterinary		 Veterinary Section:
2nd Mobile Veterinary

Third Division

1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
Divisional Headquarters:
 (Maj. Gen. L. J. Lipsett) 		Divisional Headquarters:
 (Maj. Gen. L. J. Lipsett) 		Divisional Headquarters:
 (Maj. Gen. L. J. Lipsett) 		Divisional Headquarters:
 (Maj. Gen. L. J. Lipsett)
Canadian Cavalry Brigade:
 none		 Canadian Cavalry Brigade:
 none		 Canadian Cavalry Brigade:
 none		 Canadian Cavalry Brigade:
 none
Divisional Mounted Troops:
 none		 Divisional Mounted Troops:
 none		 Divisional Mounted Troops:
 none		 Divisional Mounted Troops:
 none
Machine Gun:
15th Machine Gun Coy
(joined January 1917) 		 Machine Gun:
15th Machine Gun Coy 		Machine Gun:
15th Machine Gun Coy 		Machine Gun:
15th Machine Gun Coy
Divisional Artillery:

9th Brigade CFA:
  31st Field Battery
  33rd Field Battery
  45th Field Battery
  36th Howitzer Battery

10th Brigade CFA:
  38th Field Battery
  39th Field Battery
  40th Field Battery
  35th Howitzer Battery

X.3C Med. T.M. Battery
Y.3C Med. T.M. Battery
Z.3C Med. T.M. Battery

W.3C Heavy T.M. Battery

 Divisional Artillery:

9th Brigade CFA:
  31st Field Battery
  33rd Field Battery
  45th Field Battery
  36th Howitzer Battery

10th Brigade CFA:
  38th Field Battery
  39th Field Battery
  40th Field Battery
  35th Howitzer Battery

X.3C Med. T.M. Battery
Y.3C Med. T.M. Battery
Z.3C Med. T.M. Battery

W.3C Heavy T.M. Battery

 Divisional Artillery:

9th Brigade CFA:
  31st Field Battery
  33rd Field Battery
  45th Field Battery
  36th Howitzer Battery

10th Brigade CFA:
  38th Field Battery
  39th Field Battery
  40th Field Battery
  35th Howitzer Battery

X.3C Med. T.M. Battery
Y.3C Med. T.M. Battery
Z.3C Med. T.M. Battery

W.3C Heavy T.M. Battery

 Divisional Artillery:

9th Brigade CFA:
  31st Field Battery
  33rd Field Battery
  45th Field Battery
  36th Howitzer Battery

10th Brigade CFA:
  38th Field Battery
  39th Field Battery
  40th Field Battery
  35th Howitzer Battery

X.3C Med. T.M. Battery
Y.3C Med. T.M. Battery
Z.3C Med. T.M. Battery

W.3C Heavy T.M. Battery
(redesignated V in 1918)
Ammunition Column:
3rd Division		 Ammunition Column:
3rd Division		 Ammunition Column:
3rd Division		 Ammunition Column:
3rd Division
3rd Brigade Engineers:
7th Battalion
8th Battalion
9th Battalion		 3rd Brigade Engineers:
7th Battalion
8th Battalion
9th Battalion		 3rd Brigade Engineers:
7th Battalion
8th Battalion
9th Battalion		 3rd Brigade Engineers:
7th Battalion
8th Battalion
9th Battalion
Signal Company:
3rd Division		 Signal Company:
3rd Division		 Signal Company:
3rd Division		 Signal Company:
3rd Division
7th Infantry Brigade:
(Br. Gen. A. C. MacDonnell)
 R.C.R.
P.P.C.L.I.
42nd Battalion
49th Battalion
7th Trench Mortar Battery
7th Machine Gun Coy		 7th Infantry Brigade:
(Br. Gen. A. C. MacDonnell)
R.C.R.
P.P.C.L.I.
42nd Battalion
49th Battalion
7th Trench Mortar Battery
7th Machine Gun Coy		 7th Infantry Brigade:
(Br. Gen. H. M. Dyer)
 R.C.R.
P.P.C.L.I.
42nd Battalion
49th Battalion
7th Trench Mortar Battery
7th Machine Gun Coy		 7th Infantry Brigade:
(Br. Gen. H. M. Dyer)
 R.C.R.
P.P.C.L.I.
42nd Battalion
49th Battalion
7th Trench Mortar Battery
7th Machine Gun Coy
8th Infantry Brigade:
(Br. Gen. J. H. Elmsley)
 1st C.M.R.
2nd C.M.R.
4th C.M.R.
5th C.M.R.
8th Trench Mortar Battery
8th Machine Gun Coy		 8th Infantry Brigade:
(Br. Gen. J. H. Elmsley)
1st C.M.R.
2nd C.M.R.
4th C.M.R.
5th C.M.R.
8th Trench Mortar Battery
8th Machine Gun Coy		 8th Infantry Brigade:
(Br. Gen. J. H. Elmsley)
 1st C.M.R.
2nd C.M.R.
4th C.M.R.
5th C.M.R.
8th Trench Mortar Battery
8th Machine Gun Coy		 8th Infantry Brigade:
(Br. Gen. J. H. Elmsley)
 1st C.M.R.
2nd C.M.R.
4th C.M.R.
5th C.M.R.
8th Trench Mortar Battery
8th Machine Gun Coy
9th Infantry Brigade:
 (Br. Gen. F. W. Hill)
43rd Battalion
52nd Battalion
58th Battalion
60th Battalion
9th Trench Mortar Battery
9th Machine Gun Coy 		9th Infantry Brigade:
 (Br. Gen. F. W. Hill)
43rd Battalion
52nd Battalion
58th Battalion
 116th Battalion
(replaced disbanded 60th)
9th Trench Mortar Battery
9th Machine Gun Coy		 9th Infantry Brigade:
 (Br. Gen. F. W. Hill)
 43rd Battalion
52nd Battalion
58th Battalion
116th Battalion
9th Trench Mortar Battery
9th Machine Gun Coy		 9th Infantry Brigade:
 (Br. Gen. F. W. Hill)
 43rd Battalion
52nd Battalion
58th Battalion
116th Battalion
9th Trench Mortar Battery
9th Machine Gun Coy
Divisional Train:
3rd Division		 Divisional Train:
3rd Division		 Divisional Train:
3rd Division		 Divisional Train:
3rd Division
Field Ambulance:
No. 8 Field Ambulance
No. 9 Field Ambulance
No. 10 Field Ambulance		 Field Ambulance:
No. 8 Field Ambulance
No. 9 Field Ambulance
No. 10 Field Ambulance		 Field Ambulance:
No. 8 Field Ambulance
No. 9 Field Ambulance
No. 10 Field Ambulance		 Field Ambulance:
No. 8 Field Ambulance
No. 9 Field Ambulance
No. 10 Field Ambulance
Employment Company:
 Employment Company:
3rd Division
(joined June 1917)		 Employment Company:
3rd Division		 Employment Company:
3rd Division
Pioneer Battalion:
 3rd Pioneers
123rd Pioneers
(joined March 1917)		 Pioneer Battalion:
 3rd Pioneers
123rd Pioneers		 Pioneer Battalion:
 3rd Pioneers
123rd Pioneers		 Pioneer Battalion:
 3rd Pioneers
123rd Pioneers
Veterinary Section:
3rd Mobile Veterinary		 Veterinary Section:
3rd Mobile Veterinary		 Veterinary Section:
3rd Mobile Veterinary		 Veterinary Section:
3rd Mobile Veterinary

Fourth Division

1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
Divisional Headquarters:
(Maj. Gen. D. Watson)		 Divisional Headquarters:
(Maj. Gen. D. Watson)		 Divisional Headquarters:
(Maj. Gen. D. Watson)		 Divisional Headquarters:
(Maj. Gen. D. Watson)
Canadian Cavalry Brigade:
 none		 Canadian Cavalry Brigade:
 none		 Canadian Cavalry Brigade:
 none		 Canadian Cavalry Brigade:
 none
Divisional Mounted Troops:
 none		 Divisional Mounted Troops:
 none		 Divisional Mounted Troops:
 none		 Divisional Mounted Troops:
 none
Machine Gun:
16th Machine Gun Coy
(joined January 1917) 		 Machine Gun:
16th Machine Gun Coy
 Machine Gun:
16th Machine Gun Coy 		Machine Gun:
16th Machine Gun Coy
Divisional Artillery:
none
(see British Units serving below)
X.4C Medium T.M. Battery
Y.4C Medium T.M. Battery
Z.4C Medium T.M. Battery
W.4C Heavy T.M. Battery		 Divisional Artillery:
3rd Brigade C.F.A.
(transferred from 1st Division to 4th Division in May 1917)
  10th Field Battery
  11th Field Battery
  12th Field Battery
  9th Howitzer Battery

4th Brigade C.F.A.
(transferred from 2nd Division to 4th Division in May 1917)
  13th Field Battery
  19th Field Battery
  27th Field Battery
  21st Howitzer Battery

X.4C Med. T.M. Battery Y.4C Med. T.M. Battery Z.4C Med. T.M. Battery

W.4C Heavy T. M. Battery

 Divisional Artillery:
3rd Brigade C.F.A.
  10th Field Battery
  11th Field Battery
  12th Field Battery
  9th Howitzer Battery

4th Brigade C.F.A.
  13th Field Battery
  19th Field Battery
  27th Field Battery
  21st Howitzer Battery

X.4C Med. T.M. Battery Y.4C Med. T.M. Battery Z.4C Med. T.M. Battery

W.4C Heavy T. M. Battery

 

 Divisional Artillery:
3rd Brigade C.F.A.
  10th Field Battery
  11th Field Battery
  12th Field Battery
  9th Howitzer Battery

4th Brigade C.F.A.
  13th Field Battery
  19th Field Battery
  27th Field Battery
  21st Howitzer Battery

X.4C Med. T.M. Battery Y.4C Med. T.M. Battery Z.4C Med. T.M. Battery

W.4C Heavy T. M. Battery

 
Ammunition Column:
4th Division		 Ammunition Column:
4th Division		 Ammunition Column:
4th Division		 Ammunition Column:
4th Division
Divisional Engineers:
 10th Field Coy. C.E.
11th Field Coy. C.E.
12th Field Coy. C.E.		 Divisional Engineers:
 10th Field Coy. C.E.
11th Field Coy. C.E.
12th Field Coy. C.E.		 Divisional Engineers:
 10th Field Coy. C.E.
11th Field Coy. C.E.
12th Field Coy. C.E.		 Divisional Engineers:
 10th Field Coy. C.E.
11th Field Coy. C.E.
12th Field Coy. C.E.
Signal Company:
4th Division		 Signal Company:
4th Division		 Signal Company:
4th Division		 Signal Company:
4th Division
10th Infantry Brigade:
 (Brig. Gen. E. Hilliam)
(January 4, 1917)
44th Battalion
46th Battalion
47th Battalion
50th Battalion
10th Trench Mortar Battery
10th Machine Gun Coy		 10th Infantry Brigade:
(Brig. Gen. E. Hilliam)
44th Battalion
46th Battalion
47th Battalion
50th Battalion
10th Trench Mortar Battery
10th Machine Gun Coy		 10th Infantry Brigade:
(Brig. Gen. E. Hilliam)
44th Battalion
46th Battalion
47th Battalion
50th Battalion
10th Trench Mortar Battery
10th Machine Gun Coy		 10th Infantry Brigade:
 (Brig. Gen. R. J. F. Hayter)
 44th Battalion
46th Battalion
47th Battalion
50th Battalion
10th Trench Mortar Battery
10th Machine Gun Coy
11th Infantry Brigade:
(Brig. Gen. V. W. Odlum)
54th Battalion
75th Battalion
87th Battalion
102nd Battalion
11th Trench Mortar Battery
11th Machine Gun Coy 		11th Infantry Brigade:
(Brig. Gen. V. W. Odlum)
54th Battalion
75th Battalion
87th Battalion
102nd Battalion
11th Trench Mortar Battery
11th Machine Gun Coy 		11th Infantry Brigade:
(Brig. Gen. V. W. Odlum)
54th Battalion
75th Battalion
87th Battalion
102nd Battalion
11th Trench Mortar Battery
11th Machine Gun Coy 		11th Infantry Brigade:
(Brig. Gen. V. W. Odlum)
54th Battalion
75th Battalion
87th Battalion
102nd Battalion
11th Trench Mortar Battery
11th Machine Gun Coy
12th Infantry Brigade:
(Br. Gen. J. H. MacBrien)
38th Battalion
72nd Battalion
73rd Battalion
78th Battalion
12th Trench Mortar Battery
12th Machine Gun Coy		 12th Infantry Brigade:
(Br. Gen. J. H. MacBrien)
38th Battalion
72nd Battalion
73rd Battalion
(disbanded April 1917)
78th Battalion
85th Battalion
(joined April 1917)
12th Trench Mortar Battery
12th Machine Gun Coy		 12th Infantry Brigade:
(Br. Gen. J. H. MacBrien)
38th Battalion
72nd Battalion
78th Battalion
85th Battalion
12th Trench Mortar Battery
12th Machine Gun Coy		 12th Infantry Brigade:
Br. Gen. J. H. MacBrien)
38th Battalion
72nd Battalion
78th Battalion
85th Battalion
12th Trench Mortar Battery
12th Machine Gun Coy
Machine Gun:
16th Machine Gun Coy
(joined January 1917) 		 Machine Gun:
16th Machine Gun Coy		 Machine Gun:
16th Machine Gun Coy		 Machine Gun:
16th Machine Gun Coy
Divisional Train:
4th Division		 Divisional Train:
4th Division		 Divisional Train:
4th Division		 Divisional Train:
4th Division
Field Ambulance:
No. 11 Field Ambulance
No. 12 Field Ambulance
No. 13 Field Ambulance		 Field Ambulance:
No. 11 Field Ambulance
No. 12 Field Ambulance
No. 13 Field Ambulance		 Field Ambulance:
No. 11 Field Ambulance
No. 12 Field Ambulance
No. 13 Field Ambulance		 Field Ambulance:
No. 11 Field Ambulance
No. 12 Field Ambulance
No. 13 Field Ambulance
Employment Company: Employment Company:
4th Division
(joined June 1917)		 Employment Company:
4th Division		 Employment Company:
4th Division
Pioneer Battalion:
5th Pioneers
124th Pioneers
(joined March 1917)		 Pioneer Battalion:
5th Pioneers
(disbanded April 1917)
124th Pioneers		 Pioneer Battalion:
124th Pioneers		 Pioneer Battalion:
124th Pioneers
Veterinary Section:
4th Mobile Veterinary		 Veterinary Section:
4th Mobile Veterinary		 Veterinary Section:
4th Mobile Veterinary		 Veterinary Section:
4th Mobile Veterinary

Fifth Division (formed in England, February 1917)

1st Quarter 2nd Quarter 3rd Quarter 4th Quarter
Divisional Headquarters:
(Maj. Gen. G. B. Hughes)		 Divisional Headquarters:
(Maj. Gen. G. B. Hughes)		 Divisional Headquarters:
(Maj. Gen. G. B. Hughes)		 Divisional Headquarters:
(Maj. Gen. G. B. Hughes)
Divisional Artillery:
13th Brigade C.F.A.
  52nd Field Battery
  53rd Field Battery
  55th Field Battery
  51st Howitzer Battery

14th Brigade C.F.A.
  60th Field Battery
  61stth Field Battery
  66th Field Battery
  58th Howitzer Battery

15th Brigade C.F.A.

X.5C Med. T.M. Battery Y.5C Med. T.M. Battery Z.5C Med. T.M. Battery

W.5C Heavy T. M. Battery

 Divisional Artillery:
13th Brigade C.F.A.
  52nd Field Battery
  53rd Field Battery
  55th Field Battery
  51st Howitzer Battery

1 4th Brigade C.F.A.
  60th Field Battery
  61stth Field Battery
  66th Field Battery
  58th Howitzer Battery

15th Brigade C.F.A.

X.5C Med. T.M. Battery Y.5C Med. T.M. Battery Z.5C Med. T.M. Battery

W.5C Heavy T. M. Battery

 Divisional Artillery:
(joined Corps Troops Aug 1917)
13th Brigade C.F.A.
  52nd Field Battery
  53rd Field Battery
  55th Field Battery
  51st Howitzer Battery

1 4th Brigade C.F.A.
  60th Field Battery
  61stth Field Battery
  66th Field Battery
  58th Howitzer Battery

15th Brigade C.F.A.
(broken up August 1917)

X.5C Med. T.M. Battery Y.5C Med. T.M. Battery Z.5C Med. T.M. Battery

W.5C Heavy T. M. Battery

 Divisional Artillery:
(joined Corps Troops Aug 1917)
Ammunition Column:
5th Division		 Ammunition Column:
5th Division		 Ammunition Column:
5th Division
(joined Corps Troops Aug 1917 and served in France)		 Ammunition Column:
Divisional Engineers:
 13th Field Coy. C.E.
14th Field Coy. C.E.
15th Field Coy. C.E.		 Divisional Engineers:
 13th Field Coy. C.E.
14th Field Coy. C.E.
15th Field Coy. C.E.