1st Battalion, Royal Irish Rifles.
Royal Army Medical Corps
139th Heavy Artillery Battery, Royal Garrison Artillery
13th Battalion, Royal Irish Rifles attached to 108th Company, Machine Gun Corps
Royal Army Medical Corps
Rhodesian Government Forces
9th Battalion, Royal Irish Fusilier
12th Battalion, Royal Irish Rifles
12th Battalion, Royal Irish Rifles
12th Battalion, Royal Irish Rifles
4th Battalion, South African Infantry
2nd Battalion, Argyle & Sutherland Highlanders
13th Battalion, Royal Irish Rifles
2nd Battalion, Royal Inniskilling Fusiliers
1st Bn. Seaforth Highlanders
Tank Corps
15th Battalion, Royal Irish Rifles
7th Battalion, Royal Dublin Fusiliers
Army Service Corps
Royal Army Medical Corps
7th Battalion, Royal Dublin Fusiliers
3rd Battalion, Dragoon Guards
10th Regiment South African Infantry
15th Field Ambulance.
7th Battalion, Canadian Infantry
14th Battalion, Royal Irish Rifles
HMS Snaefell
7th Battalion, Royal Sussex Regiment
3rd Battalion, Royal Munster Fusiliers; attached to the 3rd King's African Rifles
2nd Battalion, Australian Infantry
56th Squadron, Royal Flying Corps
11th Battalion, Royal Inniskilling Fusiliers
3rd Battalion, South African Infantry
10th Battalion, The Royal Dublin Fusiliers
"C" Battery, 173rd Brigade Royal Field Artillery and Royal Flying Corps
69th Field Ambulance Brigade
5th Battalion, Attached 2nd Battalion, Royal Irish Rifles
1st Btn, Royal Irish Regiment
29th (F) Squadron, Royal Flying Corps
9th Battalion, Royal Irish Fusiliers
8th Battalion, Royal Inniskilling Fusiliers
8th Battalion, Royal Irish Rifles
15th Battalion, Royal Scots
22nd Squadron Royal Flying Corps
Attached to 1/6th Battalion, Black Watch (Royal Highlanders)
490th Field Company, Royal Engineers.
10th Battalion, attached to the 9th Bn., Royal Irish Fusiliers
5th Battalion, Royal Irish Rifles, attached to the 1st Battalion.
Royal Army Medical Corps, attached to 10th/11th Battalion, Highland Light Infantry
6th Btn, attached to 1st Battalion Royal Inniskilling Fusiliers
1st Battalion Royal Dublin Fusiliers
Served with both the 1st and 2nd Battalion, RIR
13th Battalion, Royal Irish Rifles
3rd Battalion Royal Dublin Fusiliers, attached to the 1st Battalion
77th Field Ambulance, Royal Army Medical Corps
14th Battalion, Royal Irish Rifles
8th Battalion, Rifle Brigade
9th Battalion, Royal Welsh Fusiliers
5th Battalion, attached 1st Battalion, Royal Irish Rifles
6th Battalion, Royal Irish Fusiliers
7th Battalion, Royal Irish Rifles
Royal Army Medical Corps
16th Battalion, Canadian Infantry
20th (Public Schools) Battalion, Royal Fusiliers
9th Battalion, King's Own Scottish Borderers
9th Battalion, The Queens (Royal West Surrey Regiment)
66th Field Company, Royal Engineers
3rd Regiment, South African Infantry
1st Battalion, The Royal Sussex Regiment
10th Battalion, Royal Irish Fusiliers
13th Battalion, Royal Irish Rifles
4th Battalion, Royal Irish Rifles, attached to the 2nd Battalion, Royal Irish Rifles
9th Battalion, Royal Scots
13th Battalion, Kings Royal Rifle Corps
Royal Field Artillery, attached to the Guards Div. Trench Mortar Battery
1st Battalion, Cheshire Regiment
6th Battalion, Royal Irish Fusiliers
3rd Battalion, Connaught Rangers, attached to the 1st Battalion
15th Battalion, Royal Irish Rifles
10th Battalion, King's Own Royal Lancaster Regiment
59th Field Company, Royal Engineers
52nd Battalion, Canadian Infantry
9th Battalion Royal Dublin Fusiliers attached to the 3rd Battalion Royal Dublin Fusiliers
9th Battalion, Royal Fusiliers
12th Squadron,. Royal Naval Air Service
9th Battalion, Royal Irish Fusiliers
5th Battalion, Royal Irish Rifles attached to the 1st Battalion, Royal Irish Rifles
6th Battalion, Lancashire Fusiliers
5th Battalion, Royal Irish Rifles, attached to the 2nd Battalion Royal Irish Rifles
3rd Battalion, Royal Irish Fusiliers, attached to the 1st Battalion
9th Battalion, Royal Irish Fusiliers
154th Field Company, Royal Engineers
45th Rattray's Sikhs
8th Battalion, Royal Irish Rifles
5th Battalion, Royal Irish Rifles
Royal Naval Air Service
Hawke Battalion, Royal Naval Division
2/12 Battalion, London Regiment. (The Rangers)
103rd Squadron, RAF
Royal Flying Corps
18th Squadron, Royal Flying Corps and Royal Naval Volunteer Reserve
Hood Battalion, Royal Naval Naval Division
5th Battalion, attached 7th Battalion, Royal Inniskilling Fusiliers
10th Battalion, Canadian Infantry (Alberta Regiment)
10th Battalion, Royal Irish Rifles
3rd Battalion, Royal Irish Fusiliers; attached to the 2nd Battalion, Royal Irish Rifles
2nd Battalion, Royal Irish Regiment
2nd Battalion, Royal Dublin Fusiliers formerly (G/11757) Queen's Own (Royal West Kent Regiment)
4th Battalion, Royal Inniskilling Fusiliers
1st Squadron, Royal Flying Corps
4th Battalion, Royal Inniskilling Fusiliers, attached to 111th Company. Machine Gun Corps (Infantry)
8th Battalion, Royal Irish Rifles
35th Field Company, Royal Engineers
13th Battalion, attached to the 10th Battalion, West Yorkshire Regiment (Prince of Wales's Own)
2nd Battalion, The Royal Munster Fusiliers
1st Battalion, Royal Dublin Fusiliers
1st Battalion, Royal Dublin Fusiliers
Royal Munster Fusiliers, attached to the 1st Garrison Battalion
1st Battalion, Royal Irish Rifles
28th Battalion, London Regiment (Artists' Rifles)
7th Battalion, Royal Inniskilling Fusiliers and 7th Squadron, The Royal Flying Corps
2nd Battalion, Leinster Regiment
1st Battalion, Royal Inniskilling Fusiliers
172nd United States Aero
213 Squadron, Royal Air Force
2nd Battalion, Royal Irish Regiment
16th (Pioneer) Battalion, Royal Irish Rifles