101st
Brigade
15th
(Service) Bn (1st Edinburgh) , the Royal
Scots (joined June 1915, left May 1918)
16th
(Service) Bn (2nd Edinburgh) , the Royal
Scots (joined June 1915, left May 1918)
2/4th
Bn (TF) , the Queen's (joined June
1918)
10th
(Service) Bn, the Lincolns (joined
June 1915, left February 1918)
11th
(Service) Bn, the Suffolks (joined
May 1915, left May 1918)
2nd
Bn, the Loyal North Lancs (joined June
1918)
101st
Brigade Machine Gun Company (joined 27 April 1916, moved into
34 MG Bn 26 February 1918)
101st
Trench Mortar Battery (joined from 18 February 1916, broken
up 16 May 1918 and reformed 2 July 1918)
102nd
Brigade (Tyneside Scottish)
The
Brigade was attached to the 37th Division, between 6 July and
22 August 1916, following extremely heavy casualties incurred
by the Brigade during the attack at La Boiselle
20th
(Service) Bn , the Northumberland Fusiliers
(joined June 1915, disbanded February 1918)
21st
(Service) Bn , the Northumberland Fusiliers
(joined June 1915, disbanded February 1918)
22nd
(Service) Bn , the Northumberland Fusiliers
(joined June 1915, left June 1918)
23rd
(Service) Bn , the Northumberland Fusiliers
(joined June 1915, left June 1918)
25th
(Service) Bn , the Northumberland Fusiliers
(joined February 1918, left June 1918)
1/4th
Bn, the Lincolns (joined June 1918,
left June 1918)
1/4th
Bn, the Cheshires (joined July 1918)
1/7th
Bn, the Cheshires (joined July 1918)
7/8th
(Service) Bn, the Royal Inniskilling Fusiliers
(joined June 1918 as a cadre, left June 1918)
1/1st
Bn, the Herefordshire (joined June
1918)
102nd
Brigade Machine Gun Company (joined 27 April 1916, moved into
34 MG Bn 26 February 1918)
102nd
Trench Mortar Battery (joined from 18 February 1916, broken
up 16 May 1918 and reformed 10 July 1918)
103rd
Brigade (Tyneside Irish)
The
Brigade was attached to the 37th Division, between 6 July and
22 August 1916, following extremely heavy casualties incurred
by the Brigade during the attack at La Boiselle
24th
(Service) Bn , the Northumberland Fusiliers
(joined June 1915, disbanded February 1918)
25th
(Service) Bn , the Northumberland Fusiliers
(joined June 1915, left February 1918)
26th
(Service) Bn , the Northumberland Fusiliers
(joined June 1915, disbanded February 1918)
27th
(Service) Bn , the Northumberland Fusiliers
(joined June 1915, disbanded February 1918)
10th
(Service) Bn, the Lincolns (joined
February 1918, left June 1918)
1/5th
(Dumfries and Galloway) Bn, the King's Own
Scottish Borderers (joined June 1918)
1/8th
Bn, the Cameronians (Scottish Rifles)
(joined June 1918)
6th
(Service) Bn, the Royal Inniskilling Fusiliers
(joined and left June 1918)
1st
Bn, the East Lancashire (joined
February 1918, left May 1918)
1/5th
(Renfrewshire) Bn, the Argyll & Sutherland
Highlanders (joined June 1918)
103rd
Brigade Machine Gun Company (joined 27 April 1916, moved into
34 MG Bn 26 February 1918)
103rd
Trench Mortar Battery (joined from 18 February 1916, broken
up 16 May 1918 and reformed 1 July 1918)
111th
Brigade and 112th Brigade
Both
Brigades were attached from the 37th Division,
between 6 July and 22 August 1916, in exchange for the 102nd
and 103rd Brigade, following the extremely heavy casualties
incurred by those Brigades during the attack at La Boiselle
Divisional
Troops
18th
(Service) Bn , the Northumberland Fusiliers
(joined July 1915, left June 1918)
2/4th
Bn, the Somerset Light Infantry
(joined June 1918)
13th
(Service) Bn, the Yorkshire (joined
and left as a cadre, June1918)
13th
(Service) Bn (Wandsworth), the East
Surreys (joined and left as cadre, June 1918)
2/5th
Bn, the Sherwood Foresters (joined and
left as a cadre June 1918)
3/4th
Bn, the Royal West Kents (joined and left
June 1917)
21st
(Service) Bn (Islington), the Middlesex
(joined and left as a cadre June 1918)
8th
(Service) Bn, the King's Royal Rifle Corps
(joined and left as a cadre June 1918)
9th
(Service) Bn, the King's Royal Rifle Corps
(joined and left as a cadre June 1918)
1/5th
Bn, the North Staffords(joined and
left as a cadre June 1918)
10/11th
(Service) Bn, the Highland Light Infantry(joined
and left as a cadre June 1918)
14th
(Service) Bn, the Highland Light Infantry(joined
and left as a cadre June 1918)
6th
(Service) Bn, the Connaught Rangers
(joined and left as a cadre June 1918)
6th
(Service) Bn, the Leinster (joined
and left June 1918)
8th
(Service) Bn, the Rifle Brigade (joined
and left June 1918)
240th
Machine Gun Company (joined 18 July 1918, moved into 34 MGB
26 February 1918)
No
34 Machine Gun Battalion (created 26 February 1918)
Divisional
Mounted Troops
E
Squadron , the North Irish
Horse (joined January 1915, left May 1916)
34th
Divisional Cyclist Company (formed September 1915, left 11 May
1916)
Divisional
Artillery
The
Divisional Artillery was attached to 5th
Division while the infantry reduced to cadre and the 34th
Division was reorganised
CLII
Brigade, RFA (joined by April 1915)
CLX
Brigade, RFA (joined by April 1915)
CLXXV
Brigade, RFA (joined by April 1915, left 26 January 1917)
CLXXVI
(H) Brigade, RFA (joined by April 1915, broken up 28 August
1916)
516
Heavy Battery, RFA (joined CLXXV Brigade 7 October 1916)
130
Heavy Battery, RGA (raised with the Division but moved overseas
independently)
34th
Divisional Ammunition Column (Nottingham) (joined December 1914)
V.34
Heavy Trench Mortar Battery RFA (formed by 16 August 1916, moved
to VI Corps 6 March 1918)
X.34,
Y.34 and Z.34 Medium Mortar Batteries RFA (formed by 18 June
1916; Z Bty broken up 6 March 1918)
Engineer
Units
105th
Field Company (left Feb 1915)
106th
Field Company (left Feb 1915)
207th
(Norfolk) Field Company (joined Feb 1915)
208th
(Norfolk) Field Company (joined Feb 1915)
209th
(Norfolk) Field Company (joined Feb 1915)
34th
Divisional Signals Company (joined 23 July 1915)
Field
Ambulances
102nd
Field Ambulance (joined November 1915)
103rd
Field Ambulance (joined November 1915)
104th
Field Ambulance (joined November 1915)
34th
Divisional Train ASC (229,
230, 231, 232 Companies ASC joined June 1915)
231st
Divisional Employment Company (joined 25 May 1917)
44th
Mobile Veterinary Section (joined November 1915)
74th
Sanitary Section (left 31 March 1917)
34th
Divisional Motor Ambulance Workshop (joined early 1915, disbanded
31 March 1916)