20th
Brigade
1st
Bn, the Grenadier Guards (joined
August 1914, left August 1915)
2nd
Bn, the Scots Guards (joined August
1914, left August 1915)
8th
(Service) Bn, the Devons (joined May
1915)
9th
(Service) Bn, the Devons (joined August
1915, left September 1918)
1/6th
Bn, the Cheshires (joined January
1916, left February 1916)
2nd
Bn, the Border (joined September 1914)
2nd
Bn, the Gordon Highlanders (joined
October 1914)
1/6th
(Banff and Donside) Bn, the Gordon Highlanders
(joined December 1914, left January 1916)
20th
Brigade Machine Gun Company (formed 10 February 1916, moved
into 7 MG Bn 1 April 1918)
20th
Trench Mortar Battery (formed 14 February 1916)
21st
Brigade
19
December 1915 : Brigade transferred to
30th Division
2nd
Bn, the Bedfords (joined August 1914,
left December 1915)
2nd
Bn, the Yorkshire (joined August 1914,
left December 1915)
2nd
Bn, the Royal Scots Fusiliers (joined
September 1914, left December 1915)
2nd
Bn, the Wiltshires (joined September
1914, left December 1915 )
1/4th
Bn, the Cameron Highlanders (joined
April 1915, left December 1915)
22nd
Brigade
2nd
Bn, the Queen's (joined September 1914,
left December 1915)
1/8th
Bn, the Royal Scots (joined November
1914, left August 1915)
2nd
Bn, the Royal Warwicks (joined September
1914)
1/7th
Bn, the King's (Liverpool) (joined November
1915, left January 1916)
2nd
Bn, the Royal Irish (joined May 1916,
left October 1916)
1st
Bn, the Royal Welsh Fusiliers (joined
September 1914)
1st
Bn, the South Staffordshire (joined
September 1914, left December 1915)
20th
(Service) Bn (5th City), the Manchesters
(joined December 1915, left September 1918)
24th
(Service) Bn (Oldham), the Manchesters
(joined December 1915, left May 1916)
2/1st
Bn, the Honourable Artillery Company (joined
October 1916)
22nd
Brigade Machine Gun Company (formed 24 February 1916, moved
into 7 MG Bn 1 April 1918)
22nd
Trench Mortar Battery (formed 14 April 1916)
91st
Brigade
20
December 1915 : Brigade transferred from
30th Division
2nd
Bn, the Queen's (joined December 1915)
1st
Bn, the South Staffordshire (joined
December 1915)
21st
(Service) Bn (6th City), the Manchesters
(joined December 1915, left September 1918)
22nd
(Service) Bn (7th City), the Manchesters
(joined December 1915)
1/4th
Bn, the Cameron Highlanders (joined
December 1915, left January 1916)
91st
Brigade Machine Gun Company (joined 14 March 1916, moved into
7 MG Bn 1 April 1918)
91st
Trench Mortar Battery (formed May 1916)
Divisional
Troops
24th
(Service) Bn (Oldham)(Pioneers), the Manchesters
(joined May 1916)
220th
Machine Gun Company (joined 25 March 1917, joined Divisional
MG Battalion 1 March 1918)
No
7 Machine Gun Battalion (created 1 April 1918)
Divisional
Mounted Troops
1/1st
Northumberland Hussars (joined
September 1914, B and C Squadrons left 12 April 1915, remainder
left 13 May 1916)
7th
Cyclist Company (joined September 1914, left 11 May 1916)
Divisional
Artillery
XXXVII
(Howitzer) Brigade, RFA (joined June 1915, left May 1916)
XIV
Brigade, RHA (joined September 1914, left February 1917)
XXII
Brigade, RFA (joined September 1914)
XXXV
Brigade, RFA (joined September 1914)
III
Heavy Brigade, RFA (joined September 1914, left March 1915)
No
7 Pom-Pom Section (Anti-Aircraft), RFA (attached between 25
September 1914 and 20 December 1914)
5th
Mountain Battery, RFA (attached between 26 March 1915 and 20
April 1915)
7th
Divisional Ammunition Column
V.7
Heavy Trench Mortar Battery RFA (formed June 1916, disbanded
12 November 1917)
X.7,
Y.7 and Z.7 Medium Mortar Batteries RFA (joined by March 1916;
by 22 February 1918, Z broken up and batteries reorganised to
have 6 x 6-inch weapons each)
Engineer
Units
54th
Field Company (joined Sep 1914)
55th
Field Company (joined Sep 1914, left Sep 15)
2nd
(Highland) Field Company (joined Jan 15, left Jan 16)
3rd (Durham) Field Company (joined Jan 1916, renamed 528th Field
Coy)
7th
Divisional Signals Company (joined Sep 1914)
Field
Ambulances
21st
(joined Sep 14)
22nd
(joined Sep 14)
23rd
(joined Sep 14)
Other
Divisional Troops
7th
Divisional Train ASC (39, 40, 42,
86 Companies)
210th
Divisional Employment Company (Joined on 21 May 1917, as 12th
Divisional Employment Company; redesignated in June 1917)
12th
Mobile Veterinary Section
No
10 Sanitary Section ( joined 9 January 1915, transferred to
Third Army 8 August 1917)
7th
Divisional Motor Ambulance Workshop ( joined by 20 June 1915,
absorbed by Divisional Supply Column on 9 April 1916)