Irish Regiments of World War 1
Infantry Regiments
18th Regiment of Foot The Royal Irish Regiment
27th & 108th Regiment of Foot The Royal Inniskilling Fusiliers
83rd & 86th Regiment of Foot The Royal Irish Rifles
87th & 89th Regiment of Foot The Royal Irish Fusiliers
88th & 94th Regiment of Foot The Connaught Rangers
100th & 109th Regiment of Foot The Royal Leinster Regiment
101st & 104th Regiment of Foot The Royal Munster Fusiliers
102nd & 103rd Regiment of Foot The Royal Dublin Fusiliers
Calvary Regiments
4th Royal Irish Dragoon Guards
5th Royal Irish Lancers
6th Inniskilling Dragoon Guards
8th Kings Royal Irish Hussars
Guards Regiments
Irish Guards
Territorial Regiments
North Irish Horse
South Irish Horse
8th (Irish) Battalion The Kings Liverpool Regiment
T18 County of London Regiment (London Irish)
103rd Tyneside Irish Brigade
Consisted of the following
1st Tyneside Irish (24th Battalion, Northumberland Fusiliers)
2nd Tyneside Irish (25th Battalion, Northumberland Fusiliers)
3rd Tyneside Irish (26th Battalion, Northumberland Fusiliers)
4th Tyneside Irish (27th Battalion, Northumberland Fusiliers)
Irish Regiments of World War 2
Infantry Regiments
27th & 108th Regiment of Foot The Royal Inniskilling Fusiliers
83rd & 86th Regiment of Foot The Royal Ulster Rifles
87th & 89th Regiment of Foot The Royal Irish Fusiliers
Calvary Regiments
5th Inniskilling Dragoon Guards
8th Kings Royal Irish Hussars
Guards Regiments
Irish Guards
Territorial Regiments
North Irish Horse
8th (Irish) Battalion The Kings Liverpool Regiment
London Irish Regiment
Ulster Home Guard
To be continued