146th
(West Riding) Brigade
1/5th
Bn, the West Yorkshires (joined
August 1914)
1/6th
Bn, the West Yorkshires (joined
August 1914)
1/7th
Bn, the West Yorkshires (joined
August 1914)
1/8th
Bn, the West Yorkshires (joined
August 1914, left January 1918)
146th
Machine Gun Company (formed 27 January 1916, left 1 March 1918)
146th
Trench Mortar Battery (formed 12 June1916)
147th
(2nd West Riding) Brigade
1/4th
Bn, the Duke of Wellington's (joined
August 1914)
1/5th
Bn, the Duke of Wellington's (joined
August 1914, left January 1918)
1/6th
Bn, the Duke of Wellington's (joined
August 1914)
1/7th
Bn, the Duke of Wellington's (joined
August 1914)
147th
Machine Gun Company (joined 26 January 1916, left 1 March 1918)
147th
Trench Mortar Battery (formed 12 June 1916)
148th
(3rd West Riding) Brigade
1/4th
Bn, the KOYLI (joined August 1914)
1/5th
Bn, the KOYLI joined August 1914, left
February 1918)
1/4th
(Hallamshire) Bn, the York and Lancaster
(joined August 1914)
1/5th
Bn, the York and Lancaster (joined
August 1914)
148th
Machine Gun Company (joined 6 February 1916, left 1 March 1918)
148th
Trench Mortar Battery (formed 12 June1916)
Divisional
Troops
19th
(Service) Bn (3rd Salford) (Pioneers) , the Lancashire
Fusiliers (joined August 1916)
1/3rd
Bn, the Monmouthshire (joined September
1915, left August 1916)
199th
Machine Gun Company (joined 19 December 1916, left 29 October
1917)
254th
Machine Gun Company (joined 26 November 1917, joined Divisional
MG Battalion 1 March 1918)
No
49 Machine Gun Battalion (created 1 March 1918)
Divisional
Mounted Troops
C
Squadron, the 1/1st Yorkshire
Hussars (left 8 May 1916)
F
Squadron , the North Irish
Horse (briefly, between April and June 1916)
1st
West Riding Divisional Cyclist Company (left 26 May 1916)
Divisional
Artillery
CCXLV
(I West Riding) Brigade, RFA
CCXLVI
(II West Riding) Brigade, RFA
CCXLVII
(III West Riding) Brigade, RFA (broken up by 28 February 1917)
CCXLVIII
(IV West Riding) (H) Brigade, RFA (broken up 18 October 1916)
West
Riding Heavy Battery, RGA (a Battery of 4 4.7-inch guns which
left the Division to join VIII Brigade, II Group HA on 24 April
1915; returned to Division 13 May 1915, and finally left on
28 June 1915, rejoining VIII Brigade
49th
(West Riding) Divisional Ammunition Column
W.49,
V.49 Heavy Trench Mortar Batteries RFA (formed by 17 May 1916;
V absorbed W by 7 June 1917, transferred to X Corps on 7 February
1918)
X.49,
Y.49 and Z.49 Medium Mortar Batteries RFA (formed by 4 April
1916 from former 34, 37 and 48 TMB's; by 9 February 1918, Z
broken up and batteries reorganised to have 6 x 6-inch weapons
each)
Engineer
Units, RE
57th
Field Company (joined July 1915)
456th
Field Company (joined Aug 14, renamed from 2nd (West Riding)
Field Coy)
458th
Field Company (formed Sep 14 but joined Division June 1915,
renamed from 2/1st (West Riding) Field Coy)
49th
Divisional Signal Company (renamed from 1st West Riding Divisional
Signal Company)
Field
Ambulances, RAMC
1st
(West Riding) Field Ambulance (joined August 1914)
2nd
(West Riding) Field Ambulance (joined August 1914)
3rd
(West Riding) Field Ambulance (joined August 1914)
49th
Divisional Train ASC (redesignated
from the 1st West Riding Divisional Train - itself made
from the Divisional Transport
and Supply Column. Composed of 463, 464, 465 and 466 Companies
ASC)
243rd
Divisional Employment Company (joined by 16 June 1917, adopting
its number in July)
1st
West Riding Mobile Veterinary Section
49th
Sanitary Section ( left for XI Corps area on 2 April 1917)
49th
Divisional Ambulance Workshop ( joined 1914, left 4 April 1916,
absorbed by Divisional Supply Column)