Western Front - 1918.

German Spring Offensive.

Advance to Victory.

Post War.

By the time of the end of the war in November 1918, there had been major reorgansations throughout the British Army. 

Many of the Irish units were disbanded during 1918 and the most of the remaining ones had been transferred to new formations on the Western Front with only four Battalions (in bold below) staying in the Middle East, three as part of the much changed and 'Indianised' 10th Infantry Division. 

1st Bttn, Irish Guards – 1st Gurds Brigade, Guards Division.

2nd Bttn, Irish Guards – GHQ Reserve.

1st  Bttn, Royal Inniskilling Fusiliers - 109th Brigade, 36th (Ulster) Division.

2nd Bttn, Royal Inniskilling Fusiliers - 109th Brigade, 36th (Ulster) Division.

5th Bttn, Royal Inniskilling Fusilliers - 198th Brigade, 66th (2nd East Lancashire) Division.

6th Bttn, Royal Inniskilling Fusiliers - 151st Brigade, 50th (Northumbrian) Division.

7th Bttn, Royal Inniskilling Fusiliers - 89th Brigade, 30th Division.

9th Bttn, Royal Inniskilling Fusiliers - 109th Brigade, 36th (Ulster) Division.

1st Bttn, Royal Irish Rifles - 107th Brigade, 36th (Ulster) Division.

2nd Bttn, Royal Irish Rifles - 107th Brigade, 36th (Ulster) Division.

12th Bttn, Royal Irish Rifles - 108th Brigade, 36th (Ulster) Division.

15th Bttn, Royal Irish Rifles - 107th Brigade, 36th (Ulster) Division.

1st Bttn, Royal Irish Fusiliers - 108th Brigade, 36th (Ulster) Division.

2nd Bttn, Royal Irish Fusiliers - 31st Brigade, 10th (Irish) Division.

5th Bttn, Royal Irish Fusiliers - 48th Brigade, 16th (Irish) Division.

9th Bttn, Royal Irish Fusiliers - 108th Brigade, 36th (Ulster) Division.

1st Bttn, Royal Irish Regiment - 30th Brigade, 10th (Irish) Division.

2nd Bttn, Royal Irish Regiment - 188th Brigade, 63rd (Royal Naval) Division.

5th Bttn, Royal Irish Regiment - 50th (Northumbrian Division, as Pioneers.

7th Bttn, Royal Irish Regiment - 21st Brigade, 30th Division.

8th Bttn, Royal Irish Regiment - 12st Brigade, 40th Division. 

1st Bttn, Leinster Regiment - 29th Brigade, 10th (Irish) Division.

2nd Bttn, Leinster Regiment - 88th Brigade, 29th Division.

1st Bttn, Royal Munster Fusiliers - 172nd Brigade, 57th (2nd West Lancashire) Division.

2nd Bttn, Royal Munster Fusiliers - 150th Brigade, 50th (Northumbrian) Division.

1st Bttn, Royal Dublin Fusiliers - 86th Brigade, 29th Division.

2nd Bttn Royal Dublin Fusiliers - 149th Brigade, 50th (Northumbrian) Division.

6th Bttn, Royal Dublin Fusiliers - 198th Brigade, 66th (2nd East Lancashire) Division.

1st Bttn, Connaught Rangers, 7th (Ferozepore) Brigade, 3rd (Lahore) Division.

5th Bttn, Connaught Rangers - 199th Brigade, 66th (2nd East Lancashire) Division.

1/18th Bttn, London Regiment (1st London Irish) - 141st Brigade, 47th (2nd London) Division.

1/8th Bttn, King’s Regiment (Liverpool Irish) - 171st Brigade, 57th (2nd West Lancashire) Division.

Source: "A History of the Irish Soldier", Brigadier AEC Bredin DSO MC DL.