List of brigades of the Irish Republican Army

This is a list of brigades of the Irish Republican Army, formed or active between 1916 and 1922, which were involved in activities undertaken by the Irish Republican Army.

## Munster[edit]

### County Clare[edit]

Period  | Brigade  | Division  | Commandant

|
|
|

1916–1917  | East Clare Brigade  |  | Michael Brennan
1916–1917  | Mid Clare Brigade  |  | Sean McNamara
1916–1917  | North Clare Brigade  |  | H. J. Hunt
1916–1917  | West Clare Brigade  |  | E. Fennell
1917–1918  | Clare Brigade  |  | Patrick Brennan
1918–1922  | East Clare Brigade  | 1st Western Division  | Michael Brennan
1918–1922  | Mid Clare Brigade  | 1st Western  | Frank Barrett
1918–1922  | West Clare Brigade  | 1st Western  | Art O'Donnell

### County Cork[1][2][edit]

Period  | Brigade  | Division  | Commandant

|
|
|

1914-1919  | Cork Volunteers  | 1st Southern Division  | Tomás Mac Curtain
1919-1920  | 1st Cork Brigade  | 1st Southern Division  | Tomás Mac Curtain[3]
1920  | 1st Cork Brigade  | 1st Southern Division  | Terence MacSwiney
1920-1922  | 1st Cork Brigade  | 1st Southern Division  | Sean O'Hegarty
1919-1921  | 2nd Cork Brigade (North Cork Brigade)  | 1st Southern Division  | Liam Lynch[4]
1921  | 2nd Cork Brigade (North Cork Brigade)  | 1st Southern Division  | Sean Moylan
1921  | 2nd Cork Brigade (North Cork Brigade)  | 1st Southern Division  | George Power
1919-1920  | 3rd Cork Brigade (West Cork Brigade) | 1st Southern Division  | Tom Hales
1920-1921  | 3rd Cork Brigade (West Cork Brigade) | 1st Southern Division  | Charlie Hurley
1921-22  | 3rd Cork Brigade (West Cork Brigade) | 1st Southern Division  | Tom Barry
1921  | 4th Cork Brigade  | 1st Southern Division  | Paddy O'Brien[5][6]
1921-1922  | 4th Cork Brigade  | 1st Southern Division  | Sean Moylan[7]
1921-1922  | 5th Cork Brigade  | 1st Southern Division  | Gibbs Ross[8][9]

### County Kerry[edit]

Period  | Brigade  | Division  | Commandant

|
|
|

1914-1917  | Kerry Brigade  | 1st Southern Division  | Austin Stack
1917-1919  | 1st Kerry Brigade  | 1st Southern Division  | Austin Stack
1919–1921  | 1st Kerry Brigade  | 1st Southern Division  | Patrick Cahill
1921  | 1st Kerry Brigade  | 1st Southern Division  | Andrew Cooney
1921-1922  | 1st Kerry Brigade  | 1st Southern Division  | Humphrey Murphy[10]
-1921  | 2nd Kerry Brigade  | 1st Southern Division  | Dan Mahony
1921  | 2nd Kerry Brigade  | 1st Southern Division  | Humphrey Murphy
1922  | 2nd Kerry Brigade  | 1st Southern Division  | John Joe Rice[11]

### County Limerick[edit]

### County Tipperary[edit]

Period  | Brigade  | Division  | Commandant

|
|
|

1918-  | 3rd Tipperary Brigade |  | Séumas Robinson

### County Waterford[edit]

## Leinster[edit]

### County Carlow[edit]

### County Dublin[edit]

### County Kildare[edit]

### County Kilkenny[edit]

### County Laois[edit]

### County Longford[edit]

See also: North Longford Flying Column

Period | Brigade | Division | Commandant

|
|
|

1920-1922 | Longford Brigade | 1st Midlands Division | Seán Mac Eoin[12]

### County Louth[edit]

See also: Fourth Northern Division of the Irish Republican Army

### County Offaly[edit]

Period  | Brigade  | Division  | Commandant

|
|
|

1920-1922  | Offaly Brigade  | 1st Eastern Division  | Barry Byrne[citation needed]

### County Westmeath[edit]

### County Wexford[edit]

### County Wicklow[edit]

## Ulster[edit]

### County Antrim[edit]

Period  | Brigade  | Division  | Commandant

|
|
|

1916–1922  | Belfast Brigade | 3rd Northern | Sean Cusack & Joe McKelvey

### County Armagh[edit]

### County Cavan[edit]

Period  | Brigade  | Division  | Commandant

|
|
|

1916–1921  | Cavan Brigade  | Ulster  | Pat Woods
1921–1922  | East Cavan Brigade  | 5th Northern  | Peadar McMahon, Seán Gallagher & Séamus McGovern
1921–1922  | West Cavan Brigade  | 6th Northern | Éamonn McGovern, Michael MacManus & Seán Dolan

### County Donegal[edit]

Period  | Brigade  | Division  | Commandant

|
|
|

–1922  | West Donegal Brigade  | 1st Northern Division  |
–1922  | North East Donegal Brigade  | 1st Northern  |
–1922  | South West Donegal Brigade  | 1st Northern  |
–1922  | South East Donegal Brigade  | 1st Northern  |

### County Down[edit]

### County Fermanagh[edit]

No.1 Batt. Enniskillen A. Boho B. Derrygonnelly C. Enniskillen D. Monea E. Rosinuremore

No.2 Batt. Belcoo A. Belcoo B. Doobally C. Glan Lower D. Glan Upper E. Killinagh F. Mullaghdun

### County Londonderry[edit]

### County Monaghan[edit]

Period  | Brigade  | Division  | Commandant

|
|
|

1916–1922  | Monaghan Brigade  | 5th Northern Division  | Eoin O'Duffy

### County Tyrone[edit]

## Connacht[edit]

### County Galway[edit]

Period  | Brigade  | Division  | Commandant

|
|
|

1916–1920  | Galway Brigade  |  |
1920–1922  | South East Galway Brigade  | 1st Western  | Joeseph Stanford
1920–1922  | North Galway Brigade  | 2nd Western Division  |
1920–1922  | West Galway Brigade  | 4th Western Division  | Peter Joe McDonnell

### County Leitrim[edit]

### County Mayo[edit]

Period  | Brigade  | Division  | Commandant

|
|
|

| 1 West Mayo Brigade  | 4th Western Division  | Ned Mohan
| 2 North Mayo Brigade  | 4th Western Division  | C. Mackin ; Séamus Kilcullen
1922-  | 5 North West Mayo  | 4th Western Division  | Anthony Farrell
| East Mayo  | 3rd Western Division  |

[13]

### County Roscommon[edit]

### County Sligo[edit]

## Other[edit]

Period  | Brigade  | Division  | Commandant

|
|
|

| 1st Scottish Brigade  | 1st Scottish  |
| 2nd Scottish Brigade  | 1st Scottish  |
| Liverpool Battalion  |  |
| London Battalion  |  |
| Newcastle-on-Tyne Battalion  |  |
| Q Company GHQ  |  |

## Bibliography[edit]

* Hopkinson, Michael (2002). The Irish War of Independence: The Definitive Account of the Anglo Irish War of 1919-1921. Gill & Macmillan Ltd. ISBN 0717161978.
* McKenna, Joseph (2011). Guerrilla Warfare in the Irish War of Independence, 1919-1921. McFarland. ISBN 978-0786485192.

## References[edit]

1. ^ "Brigades – Brigade Activity". Archived from the original on 24 October 2019. Retrieved 8 January 2020.
2. ^ "Atlas of the Irish Revolution: The War in Cork and Kerry". www.irishexaminer.com. 18 September 2017. Retrieved 8 January 2020.
3. ^ "Dictionary of Irish Biography | Dictionary of Irish Biography". Archived from the original on 13 August 2020. Retrieved 20 May 2020.
4. ^ admin (14 January 2012). "General Liam Lynch, Chief-of-Staff of the Irish Republican Army". Irish Volunteers.org. Archived from the original on 24 September 2020. Retrieved 8 January 2020.
5. ^ Patrick, O'Brien. "Military Archives - Paddy O'Brien Witness Statement" (PDF). militaryarchives.ie. Archived (PDF) from the original on 10 December 2019.
6. ^ "North Cork Brigade". homepage.eircom.net. Retrieved 8 January 2020.
7. ^ Moylan, Sean. "Sean Moylan - Military Witness Statement" (PDF). www.militaryarchives.ie. Archived (PDF) from the original on 8 May 2020.
8. ^ Reidy, Thomas. "Thomas Reidy - Witness Statement" (PDF). www.militaryarchives.ie/. Archived (PDF) from the original on 8 May 2020.
9. ^ "Listing of persons whose names appear on war memorials in Ireland". www.irishwarmemorials.ie. Archived from the original on 4 October 2021. Retrieved 8 January 2020.
10. ^ "Military Pensions - Kerry I Brigade" (PDF). www.militaryarchives.ie.
11. ^ "Military Service Pensions - Kerry II Brigade" (PDF). www.militaryarchives.ie. Archived (PDF) from the original on 4 October 2021.
12. ^ "Clonfin Ambush: North Longford Flying Column's finest hour as the elite British forces surrender to Seán Mac Eoin".
13. ^ "Archived copy" (PDF). Archived (PDF) from the original on 14 April 2021. Retrieved 14 April 2021.`{{cite web}}`: CS1 maint: archived copy as title (link)

## External links[edit]

* Bureau of Military History, 1913-1921 at Defence Forces
* Order of Battle of the Irish Republican Army, June 1922 by Paul V. Walsh

* v
* t
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Irish Republican Army (1919–1922)

General|

* Genealogy
* Irish Volunteers
* Irish Citizen Army
* Easter Rising
* Sinn Féin
* Declaration of Independence
* Irish Republic
* Dáil Éireann (First Dáil & Second Dáil)
* Irish Bulletin
* Irish War of Independence
* Flying column
* Government of Ireland Act 1920
* Partition of Ireland (Northern Ireland & Southern Ireland)
* Anglo-Irish Treaty
* Irish Civil War
* Irish Free State

Organisation|

* Brigades of the Irish Republican Army
* Irish Republican Police
* The Squad

Actions|

* Soloheadbeg ambush
* Rescue at Knocklong
* Listowel mutiny
* Rineen ambush
* Tooreen ambush
* Battle of Ballinalee
* Dublin Bloody Sunday
* Kilmichael ambush
* Clonfin ambush
* Dromkeen ambush
* Upton train ambush
* Clonmult ambush
* Coolavokig ambush
* Sheemore ambush
* Clonbanin ambush
* Selton Hill ambush
* Burgery ambush
* Crossbarry ambush
* Headford ambush
* Scramoge ambush
* Kilmeena ambush
* Custom House burning
* Carrowkennedy ambush
* Rathcoole ambush
* Coolacrease killings
* Belfast Bloody Sunday

Chiefs of Staff|

* Cathal Brugha (1917–1918)
* Richard Mulcahy (1918–1922)
* Eoin O'Duffy (1922)

Personalities|

* Michael Collins
* J. J. "Ginger" O'Connell
* Terence MacSwiney
* Emmet Dalton
* Dick McKee
* Paddy Daly
* Piaras Béaslaí
* Erskine Childers
* Liam Mellows
* Joe McKelvey
* Frank Aiken
* Gearóid O'Sullivan
* Tom Maguire
* Seán Lemass
* Seán Mac Mahon
* Stephen Behan
* Andrew Cooney
* Seán Treacy
* Dan Breen
* Seán Hogan
* Séumas Robinson
* Tom Barry
* Seán Mac Eoin
* Charlie Hurley
* Seán O'Hegarty
* Seán Moylan
* Tom McEllistrim
* George Oliver Plunkett
* George Lennon
* Michael Kilroy
* Ernie O'Malley
* Frank Aiken
* Moss Twomey
* Tom Hales
* Seán Hales
* Peadar O'Donnell
* Liam Deasy
* Liam Tobin
* Joseph McGrath
* Richard Barrett
* Louis Darcy
* W.J. Brennan-Whitmore

Associates|

* Irish Republican Brotherhood
* Cumann na mBan
* Fianna Éireann
* Clan na Gael
* Irish Self-Determination League
* National Association of Old IRA
* 1916–1921 Club

Derivatives|

* National Army
* Anti-Treaty Irish Republican Army

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