119th
Brigade (Welsh Bantams)
19th
(Service) Bn , the Royal Welsh Fusiliers (joined
September 1915, disbanded February 1918)
12th
(Service) Bn (3rd Gwent), the South Wales Borderers (joined
September 1915, disbanded February 1918)
13th
(Service) Bn , the East Lancashire (joined
1918 as 8th Garrison Guard Bn)
13th
(Service) Bn (Wandsworth), the East Surreys (joined
February 1918, left as cadre June 1918)
17th
(Service) Bn (1st Glamorgan), the Welsh (joined
July 1915, disbanded February 1918)
18th
(Service) Bn (2nd Glamorgan), the Welsh (joined
July 1915, left as a cadre May 1918)
21st
(Service) Bn (Islington), the Middlesex (joined
February 1918, left as a cadre May 1918)
12th
(Service) Bn, the North Staffords (joined
June 1918 as 12th (Garrison) Bn)
10/11th
(Service) Bn, the Highland Light Infantry (joined
and left February 1918)
119th
Brigade Machine Gun Company (joined 19 June 1916, moved into 40 MG
Bn March 1918)
119th
Trench Mortar Battery (joined 25 June 1916)
120th
Brigade
11th
(Service) Bn , the King's Own (joined
August 1915, disbanded February 1918)
2nd
Bn, the Royal Scots Fusiliers (joined April
1918, left April 1918)
10th
(Service) Bn, the King's Own Scottish Borderers (joined
June 1918)
13th
(Service) Bn, the Cameronians (Scottish Rifles) (joined
September 1915, left February 1916)
13th
(Service) Bn (Wandsworth), the East Surreys (joined
February 1916, left February 1918)
12th
(Service) Bn, the South Lancashire (joined
January 1916, absorbed by 11th King's Own March 1916)
15th
(Service) Bn, the KOYLI(joined June 1918)
10/11th
(Service) Bn, the Highland Light Infantry (joined
February 1918, left as a cadre June 1918)
14th
(Service) Bn, the Highland Light Infantry (joined
September 1915, left as a cadre June 1918)
11th
(Service) Bn, the Cameron Highlanders (joined
as 6th Garrison Guard Bn June 1918)
14th
(Service) Bn, the Argyll & Sutherland Highlanders (joined
February 1916, left April 1918)
120th
Brigade Machine Gun Company (joined 19 June 1916, moved into 40 MG
Bn March 1918)
120th
Trench Mortar Battery (joined 8 June 1916)
121st
Brigade
12th
(Service) Bn, the Suffolks (joined November
1915, left May 1918)
8th
(Service) Bn, the Royal Irish (joined as
8th Garrison Bn, June1918)
13th
(Service) Bn, the Yorkshire (joined July
1915, left June1918)
23rd
Garrison Bn , the Lancashire Fusiliers (joined
June 1918, becoming 23rd Bn July 1918 )
23rd
TF Bn, the Cheshires (joined June 1918)
9th
(Service) Bn, the Worcesters (joined
as a cadre June 1918, absorbed July 1918)
18th
(Service) Bn, the Sherwood Foresters (joined
October 1915, merged with 13th Yorks. April 1916)
20th
(Service) Bn (Shoreditch), the Middlesex (joined
February 1916, left as cadre May 1918)
21st
(Service) Bn (Islington), the Middlesex (joined
February 1916, left February 1918)
22nd
(Service) Bn, the Middlesex (joined October
1915, disbanded April 1916)
121st
Brigade Machine Gun Company (joined 19 June 1916, moved into 40 MG
Bn March 1918)
121st
Trench Mortar Battery (joined 25 June 1916)
Divisional
Troops
12th
(Service) Bn, the Yorkshire (joined October
1914, left June 1918)
17th
(Service) Bn, the Worcesters (joined
June 1918)
244th
Machine Gun Company (joined July 1917, moved into 40 MGB March 1918)
No
40 Machine Gun Battalion (created March 1918, disbanded May 1918)
No
104 Machine Gun Battalion (joined 24 August 1918, left 16 September
1918)
No
39 Machine Gun Battalion (joined 11 September 1918)
Divisional
Mounted Troops
A
Squadron, the Royal Wiltshire Yeomanry (joined
by 20 Nov 1915, left 20 June 1916)
40th
Divisional Cyclist Company (joined by 20 Nov 1915, left 11 June 1916)
Divisional
Artillery
CLXXVIII
(Howitzer) Brigade, RFA (joined November 1915)
CLXXXI
(joined November 1915)
CLXXXV
( Joined November 1915, broken up 31 August 1916)
CLXXXVIII
(joined November 1915, broken up 1 September 1916)
40th
Divisional Ammunition Column (Hammersmith) (joined November 1915)
V.40
Heavy Trench Mortar Battery RFA (formed 4 July 1916, broken up 7
March 1918)
X.40,
Y.40 and Z.40 Medium Mortar Batteries RFA (formed 25 June 1916; Z
Bty broken up 7 March 1918)
Engineer
Units
224th
Field Company (joined Nov 1915)
229th
Field Company (joined Nov 1915)
231st
Field Company (joined Nov 1915)
40th
Divisional Signal Company (joined Nov 1915)
Field
Ambulances
135th
Field Ambulance (joined December 1915)
136th
Field Ambulance (joined December 1915)
137th
Field Ambulance (joined December 1915)
40th
Divisional Train ASC (225, 226, 227, 228 Companies joined November
1915 but were replaced by 292, 293, 294 and 295 Companies by April 1916)
237th
Divisional Employment Company (joined April 1917)
51st
Mobile Veterinary Section (joined November 1915)
83rd
Sanitary Section (joined November 1915, left April 1917)
40th
Divisional Motor Ambulance Workshop (joined November 1915, left after
June 1918)