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From the
outbreak of the War until early 1916, six North Irish Horse Squadrons saw service
beyond Irish shores. A
Squadron landed at Le Havre on 19 August 1914, serving as GHQ Troops until
4 January 1916, then as Divisional Cavalry to the 55th Division until 10 May 1916.
B
Squadron moved from Derry to Antrim in December 1914 and in August 1915 was
attached to the 59th Division in Hertfordshire. In May 1916 it was re-designated
as F Squadron and apparently returned to Antrim. C
Squadron landed in France on 22 August 1914. Initially serving as Divisional
Cavalry to the 5th Division (16 Brigade), the Squadron joined A Squadron at GHQ
on 12 October 1914. From 14 April 1915 to 10 May 1916 it served as Divisional
Cavalry to the 3rd Division, then briefly with the 49th (West Riding) Division
and 36th (Ulster) Division. D
Squadron joined the 51st (Highland) Division at Bedford before sailing for
France, arriving at Le Havre on 2 May 1915. The Squadron served with the 51st
Division until May 1916. E
Squadron joined the 34th Division as Divisional Cavalry in June 1915, landing
at Le Havre on 12 January 1916. F
Squadron moved to Salisbury Plain in the first half of 1915 to join the 33rd
Division as Divisional Cavalry. The Squadron landed at Le Havre on 17 November
1915, serving with the 33rd Division until 16 May 1916, when it joined the 49th
(West Riding) Division and then the 32nd Division four days later. On 25 May 1916
it was re-designated as B Squadron. During
the first year and a half of the War, individual cavalry Squadrons had been assigned
to Army Divisions. In mid-1916 this was replaced with a system of Corps Cavalry
Regiments, each Regiment comprising three squadrons and a headquarters. On 10
May 1916, A, D and E Squadrons of the North Irish Horse formed the 1st Regiment
North Irish Horse, which was attached to the Army's VII Corps. On 21 June
1916 the 2nd Regiment North Irish Horse was formed from C and B (formerly
F) Squadrons of the North Irish Horse, and the 6th Inniskilling Dragoons (Service
Squadron), and was attached to the Army's X Corps. (The Inniskilling Squadron
had been formed in October 1914 from volunteers of the Inniskilling Horse of the
Ulster Volunteer Force, and had arrived in France on 6 October 1915, serving as
Divisional Cavalry to the 36th (Ulster) Division). In
1917, in order to supplement depleted infantry units, it was agreed that six of
the twenty cavalry regiments attached to infantry corps would be disbanded and
the men trained as infantrymen. In August 1917 the 2nd Regiment North Irish Horse
was dismounted, most troopers going to base for infantry training, while a party
accompanied their horses to Egypt to hand over to Australian troops before returning
for infantry training. In September and October the troops were absorbed into
the 9th (Service) Battalion Royal Irish Fusiliers (108th Brigade, 36th (Ulster)
Division), which henceforth became the 9th (North Irish Horse) Battalion Royal
Irish Fusiliers. The 9th Battalion had seen much severe action since its arrival
in France in late 1915, notably at the Somme in July 1916 and more recently at
3rd Ypres (Passchendaele), when on 16 August the Battalion lost 36 killed, 323
wounded, 12 cases of shell-shock, 83 missing, and 2 missing believed killed. From
February to March 1918 the V Corps Cyclist Regiment (North Irish Horse)
was formed from the dismounted 1st Regiment North Irish Horse. Cyclist Regiments
were some 25 per cent smaller than Cavalry Regiments, and therefore a number of
officers and men were transferred to other units. At the same time, the former
V Corps Cyclist Battalion was broken up, with one officer and 24 other ranks transferred-in.
Organisational timeline, 1914-19
1914
19 August A Squadron lands at Le Havre as GHQ Troops. 22 August
C Squadron lands at Le Havre as Divisional Cavalry to 5th Division. 12
October C Squadron joins A Squadron as GHQ Troops. 1915
14 April C Squadron transfers to 3rd Division as Divisional Cavalry.
2 May D Squadron lands at Le Havre as Divisional Cavalry to 51st (Highland)
Division. 6 October 6th Inniskilling Dragoons (Service Squadron)
arrives at Le Havre as Divisional Cavalry to 36th (Ulster) Division. 17
November F Squadron lands at Le Havre as Divisional Cavalry to 33rd Division. 1916
4 January A Squadron transfers to 55th Division as Divisional Cavalry.
12 January E Squadron lands at Le Havre as Divisional Cavalry to 34th
Division. 12-26 April C Squadron training with 2nd Cavalry Division.
19 April to 11 May F Squadron training with 1st Cavalry Division.
10 May A, D and E Squadrons form 1st Regiment, North Irish Horse, attached
to VII Corps; C Squadron transfers to 49th (West Riding) Division as Divisional
Cavalry. 16 May F Squadron transfers to 49th (West Riding) Division
as Divisional Cavalry. 20 May F Squadron transfers to 32nd Division
as Divisional Cavalry. 25 May F Squadron renamed B Squadron.
1 June C Squadron transfers to 36th (Ulster) Division as Divisional
Cavalry. 21 June B and C Squadrons and 6th Inniskilling Dragoons
(Service Squadron) form 2nd Regiment, North Irish Horse, attached to X Corps. 1917
16 July 1st Regiment transfers to XIX Corps. 14 August
2nd Regiment commences dismount and transfer to infantry. 265 horses sent
to Egypt via Marseilles with party under Lieutenant Leader (sailed from Marseilles
on board H.T. Bohemian on 25 August). 23 August Remainder
of Regiment entrains for infantry training at 36 Infantry Base Depot, Harfleur.
5 September 67
Other Ranks supernumerary to 1st Regiment transfer to 36 Infantry Base Depot.
7 September 1st Regiment transfers to V Corps. 25 September
304 North Irish Horse Other Ranks from infantry training at Harfleur join 9th
(Service) Battalion Royal Irish Fusiliers, 108th Brigade, 36th (Ulster) Division,
which is renamed the 9th (North Irish Horse) Battalion Royal Irish Fusiliers. 5
October 2nd Regiment group returned from Egypt join 36 Infantry Base Depot
for infantry training. 12 October 72 North Irish Horse Other Ranks
join 9th (North Irish Horse) Battalion from infantry training. 1918
18-28 February 1st Regiment begins to dismount and become V Corps Cyclist
Battalion (North Irish Horse). 1-13 March 1st Regiment finalises
dismount. Transfers out 10 ASC drivers to A.H. Transport, 9 Officers and 63 Other
Ranks to Machine Gun Base Depot, 3 Other Ranks to Cavalry Base Depot. 17
March One Officer 24 Other Ranks transfer in from former V Corps Cyclists. 1919
9 June Final entry in 9th Battalion RIF and V Corps Cyclist Regiment
War Diaries.
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