List of brigades of the Irish Republican Army#Dublin

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

=County Clare=

class="wikitable sortable" style="text-align:right"

! width=20% | Period

! width=30% | Brigade

! width=20% | Division

! width=30% | Commandant

align="center"| 1916–1917

| align="center"| East Clare Brigade

| align="center"|

| align="center"| Michael Brennan

align="center"| 1916–1917

| align="center"| Mid Clare Brigade

| align="center"|

| align="center"| Sean McNamara

align="center"| 1916–1917

| align="center"| North Clare Brigade

| align="center"|

| align="center"| H. J. Hunt

align="center"| 1916–1917

| align="center"| West Clare Brigade

| align="center"|

| align="center"| E. Fennell

align="center"| 1917–1918

| align="center"| Clare Brigade

| align="center"|

| align="center"| Patrick Brennan

align="center"| 1918–1922

| align="center"| East Clare Brigade

| align="center"| 1st Western Division

| align="center"| Michael Brennan

align="center"| 1918–1922

| align="center"| Mid Clare Brigade

| align="center"| 1st Western

| align="center"| Frank Barrett

align="center"| 1918–1922

| align="center"| West Clare Brigade

| align="center"| 1st Western

| align="center"| Art O'Donnell

=County Cork=

class="wikitable sortable" style="text-align:right"

! width="20%" | Period{{Cite web|url=http://www.militaryarchives.ie/collections/online-collections/military-service-pensions-collection-1916-1923/brigade-activities/brigades/|title=Brigades – Brigade Activity|language=en-US|access-date=2020-01-08|archive-date=2019-10-24|archive-url=https://web.archive.org/web/20191024201409/http://www.militaryarchives.ie/collections/online-collections/military-service-pensions-collection-1916-1923/brigade-activities/brigades/|url-status=live}}{{Cite web|url=https://www.irishexaminer.com/analysis/atlas-of-the-irish-revolution-the-war-in-cork-and-kerry-459137.html|title=Atlas of the Irish Revolution: The War in Cork and Kerry|date=2017-09-18|website=www.irishexaminer.com|language=en|access-date=2020-01-08|last3=2017}}{{Cite book |last=Uinseann MacEoin |url=http://archive.org/details/survivors-uinseann-mac-eoin |title=Survivors |date=1980}}{{Cite book |last=Uinseann MacEoin |url=http://archive.org/details/the-ira-in-the-twilight-years-1923-to-1948 |title=The IRA in the Twilight Years: 1923-1948 |date=1997}}

! width="30%" | Brigade

! width="20%" | Division

! width="30%" | Commandant

align="center" | 1914-1919

| align="center" | Cork Volunteers

| align="center" |1st Southern Division

| align="center" | Tomás Mac Curtain

align="center" | 1919-1920

| align="center" | 1st Cork Brigade

| align="center" | 1st Southern Division

| align="center" |Tomás Mac Curtain{{Cite web|url=https://dib.cambridge.org/viewReadPage.do?articleId=a5147|title=Dictionary of Irish Biography | Dictionary of Irish Biography|access-date=2020-05-20|archive-date=2020-08-13|archive-url=https://web.archive.org/web/20200813113621/https://dib.cambridge.org/viewReadPage.do?articleId=a5147|url-status=live}}

align="center" | 1920

| align="center" | 1st Cork Brigade

| align="center" | 1st Southern Division

| align="center" | Terence MacSwiney

align="center" | 1920-1922

| align="center" | 1st Cork Brigade

| align="center" | 1st Southern Division

| align="center" | Sean O'Hegarty

align="center" | 1922-?

| align="center" | 1st Cork Brigade

| align="center" | 1st Southern Division

| align="center" | Herbert ‘Sean’ Mitchell

align="center"| 1919-1921

| align="center"| 2nd Cork Brigade (North Cork Brigade)

| align="center" | 1st Southern Division

| align="center"| Liam Lynch{{Cite web|url=https://irishvolunteers.org/general-liam-lynch-chief-of-staff-of-the-irish-republican-army/|title=General Liam Lynch, Chief-of-Staff of the Irish Republican Army|last=admin|date=2012-01-14|website=Irish Volunteers.org|language=en-US|access-date=2020-01-08|archive-date=2020-09-24|archive-url=https://web.archive.org/web/20200924112839/https://irishvolunteers.org/general-liam-lynch-chief-of-staff-of-the-irish-republican-army/|url-status=live}}

align="center"| 1921

| align="center"| 2nd Cork Brigade (North Cork Brigade)

| align="center"| 1st Southern Division

| align="center"| Sean Moylan

align="center"| 1921

| align="center"| 2nd Cork Brigade (North Cork Brigade)

| align="center"| 1st Southern Division

| align="center"| George Power

align="center" | 1919-1920

| align="center" | 3rd Cork Brigade (West Cork Brigade)

| align="center" | 1st Southern Division

| align="center" | Tom Hales

align="center" | 1920-1921

| align="center" | 3rd Cork Brigade (West Cork Brigade)

| align="center" | 1st Southern Division

| align="center" | Charlie Hurley

align="center" | 1921-22

| align="center" | 3rd Cork Brigade (West Cork Brigade)

| align="center" | 1st Southern Division

| align="center" | Tom Barry

align="center"| 1921

| align="center"| 4th Cork Brigade

| align="center"| 1st Southern Division

| align="center"| Paddy O'Brien{{Cite web|url=http://www.militaryarchives.ie/collections/online-collections/bureau-of-military-history-1913-1921/reels/bmh/BMH.WS0764.pdf#page=1|title=Military Archives - Paddy O'Brien Witness Statement|last=Patrick|first=O'Brien|date=|website=militaryarchives.ie|url-status=live|archive-url=https://web.archive.org/web/20191210141939/http://www.militaryarchives.ie/collections/online-collections/bureau-of-military-history-1913-1921/reels/bmh/BMH.WS0764.pdf#page=1|archive-date=2019-12-10|access-date=}}{{Cite web|url=http://homepage.eircom.net/~corkcounty/Who%27s%20Who%20Second.html|title=North Cork Brigade|website=homepage.eircom.net|access-date=2020-01-08}}

align="center"| 1921-1922

| align="center"| 4th Cork Brigade

| align="center"| 1st Southern Division

| align="center"| Sean Moylan{{Cite web|url=http://www.militaryarchives.ie/collections/online-collections/bureau-of-military-history-1913-1921/reels/bmh/BMH.WS0838.pdf#page=99|title=Sean Moylan - Military Witness Statement|last=Moylan|first=Sean|date=|website=www.militaryarchives.ie|url-status=live|archive-url=https://web.archive.org/web/20200508105306/http://www.militaryarchives.ie/collections/online-collections/bureau-of-military-history-1913-1921/reels/bmh/BMH.WS0838.pdf#page=99|archive-date=2020-05-08|access-date=}}

align="center"| 1921-1922

| align="center"| 5th Cork Brigade

| align="center"| 1st Southern Division

| align="center"| Gibbs Ross{{Cite web|url=http://www.militaryarchives.ie/collections/online-collections/bureau-of-military-history-1913-1921/reels/bmh/BMH.WS1422.pdf|title=Thomas Reidy - Witness Statement|last=Reidy|first=Thomas|date=|website=www.militaryarchives.ie/|url-status=live|archive-url=https://web.archive.org/web/20200508021448/http://www.militaryarchives.ie/collections/online-collections/bureau-of-military-history-1913-1921/reels/bmh/BMH.WS1422.pdf|archive-date=2020-05-08|access-date=}}{{Cite web|url=http://www.irishwarmemorials.ie/Persons?name=&warId=9®Id=40&siteId=&memoId=&letter=R&sortO=1&button=Go|title=Listing of persons whose names appear on war memorials in Ireland|website=www.irishwarmemorials.ie|access-date=2020-01-08|archive-date=2021-10-04|archive-url=https://web.archive.org/web/20211004104922/http://www.irishwarmemorials.ie/Persons?name=&warId=9®Id=40&siteId=&memoId=&letter=R&sortO=1&button=Go|url-status=live}}

=County Kerry=

class="wikitable sortable" style="text-align:right"

! width="20%" | Period

! width="30%" | Brigade

! width="20%" | Division

! width="30%" | Commandant

align="center" | 1914-1917

| align="center" | Kerry Brigade

| align="center" | 1st Southern Division

| align="center" |Austin Stack

align="center"| 1917-1919

| align="center"| 1st Kerry Brigade

| align="center"| 1st Southern Division

| align="center"| Austin Stack

align="center" | 1919–1921

| align="center" | 1st Kerry Brigade

| align="center" | 1st Southern Division

| align="center" |Patrick Cahill

align="center"|1921

| align="center"|1st Kerry Brigade

| align="center"|1st Southern Division

| align="center"|Andrew Cooney

align="center"|1921-1922

| align="center"|1st Kerry Brigade

| align="center"|1st Southern Division

| align="center"|Humphrey Murphy{{Cite web|url=http://mspcsearch.militaryarchives.ie/docs/files//PDF_Membership/8/MA-MSPC-RO-88.pdf|title=Military Pensions - Kerry I Brigade|last=|first=|date=|website=www.militaryarchives.ie|archive-url=|archive-date=|access-date=}}

align="center"| -1921

| align="center"| 2nd Kerry Brigade

| align="center"| 1st Southern Division

| align="center"| Dan Mahony

align="center"| 1921

| align="center"| 2nd Kerry Brigade

| align="center"| 1st Southern Division

| align="center"| Humphrey Murphy

align="center"| 1922

| align="center"| 2nd Kerry Brigade

| align="center"| 1st Southern Division

| align="center"| John Joe Rice{{Cite web|url=http://mspcsearch.militaryarchives.ie/docs/files//PDF_Membership/8/MA-MSPC-RO-102.pdf|title=Military Service Pensions - Kerry II Brigade|last=|first=|date=|website=www.militaryarchives.ie|url-status=live|archive-url=https://web.archive.org/web/20211004104825/http://mspcsearch.militaryarchives.ie/docs/files//PDF_Membership/8/MA-MSPC-RO-102.pdf|archive-date=2021-10-04|access-date=}}

=County Limerick=

=County Tipperary=

class="wikitable sortable" style="text-align:right"

! width="20%" | Period

! width="30%" | Brigade

! width="20%" | Division

! width="30%" | Commandant

align="center" | 1918-1922

| align="center" | 3rd Tipperary Brigade

| align="center" | 2nd southern division{{Cite web |title=3 Tipperary Brigade (South-Tipperary) - 2 Southern Division |url=https://www.militaryarchives.ie/collections/online-collections/military-service-pensions-collection-1916-1923/1916-1923-resources/brigade/3-tipperary-brigade-southtipperary-2-southern-division/ |access-date=2024-05-08 |website=Brigade Activity |language=en-US}}

| align="center" | Séumas Robinson

=County Waterford=

Leinster

=County Carlow=

=County Dublin=

=County Kildare=

=County Kilkenny=

=County Laois=

=County Longford=

Period	Brigade	Division	Commandant
class="wikitable"
1919-1922	Longford Brigade	1st Midlands Division	Thomas Reddington{{Cite web \|last=Lyons \|first=Thomas \|date=2022-10-01 \|title=Recalling a tragic Longford event of Civil War \|url=https://www.longfordleader.ie/news/longfordleader/924365/recalling-a-tragic-longford-event-of-civil-war.html \|access-date=2024-05-08 \|website=www.longfordleader.ie \|language=en}}

=County Louth=

{{see also|Fourth Northern Division of the Irish Republican Army}}

=County Offaly=

class="wikitable sortable" style="text-align:right"

! width=20% | Period

! width=30% | Brigade

! width=20% | Division

! width=30% | Commandant

align="center"| 1920-1922

| align="center"| Offaly Brigade

| align="center"| 1st Eastern Division

| align="center"| Barry Byrne{{fact|date=May 2023}}

=County Westmeath=

=County Wexford=

=County Wicklow=

Ulster

=County Antrim=

class="wikitable sortable" style="text-align:right"

! width=20% | Period

! width=30% | Brigade

! width=20% | Division

! width=30% | Commandant

align="center"| 1916–1922

| align="center"| Belfast Brigade

| align="center"| 3rd Northern

| align="center"| Sean Cusack & Joe McKelvey

=County Armagh=

=County Cavan=

class="wikitable sortable" style="text-align:right"

! width=20% | Period

! width=30% | Brigade

! width=20% | Division

! width=30% | Commandant

align="center"| 1916–1921

| align="center"| Cavan Brigade

| align="center"| Ulster

| align="center"| Pat Woods

align="center"| 1921–1922

| align="center"| East Cavan Brigade

| align="center"| 5th Northern

| align="center"| Peadar McMahon, Seán Gallagher & Séamus McGovern

align="center"| 1921–1922

| align="center"| West Cavan Brigade

| align="center"| 6th Northern

| align="center"| Éamonn McGovern, Michael MacManus & Seán Dolan

=County Donegal=

class="wikitable sortable" style="text-align:right"

! width=20% | Period

! width=30% | Brigade

! width=20% | Division

! width=30% | Commandant

align="center"| –1922

| align="center"| West Donegal Brigade

| align="center"| 1st Northern Division

| align="center"|

align="center"| –1922

| align="center"| North East Donegal Brigade

| align="center"| 1st Northern

| align="center"|

align="center"| –1922

| align="center"| South West Donegal Brigade

| align="center"| 1st Northern

| align="center"|

align="center"| –1922

| align="center"| South East Donegal Brigade

| align="center"| 1st Northern

| align="center"|

=County Down=

=County Fermanagh=

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=

=County Monaghan=

class="wikitable sortable" style="text-align:right"

! width=20% | Period

! width=30% | Brigade

! width=20% | Division

! width=30% | Commandant

align="center"| 1916–1922

| align="center"| Monaghan Brigade

| align="center"| 5th Northern Division

| align="center"| Eoin O'Duffy

=County Tyrone=

Connacht

=County Galway=

class="wikitable sortable" style="text-align:right"

! width=20% | Period

! width=30% | Brigade

! width=20% | Division

! width=30% | Commandant

align="center"| 1916–1920

| align="center"| Galway Brigade

| align="center"|

align="center"| 1920–1922

| align="center"| South East Galway Brigade

| align="center"| 1st Western

| align="center"| Joeseph Stanford

align="center"| 1920–1922

| align="center"| North Galway Brigade

| align="center"| 2nd Western Division

| align="center"|

align="center"| 1920–1922

| align="center"| West Galway Brigade

| align="center"| 4th Western Division

| align="center"| Peter Joe McDonnell

=County Leitrim=

=County Mayo=

class="wikitable sortable" style="text-align:right"

! width=20% | Period

! width=30% | Brigade

! width=20% | Division

! width=30% | Commandant

align="center"|

| align="center"| 1 West Mayo Brigade

| align="center"| 4th Western Division

| align="center"| Ned Mohan

align="center"|

| align="center"| 2 North Mayo Brigade

| align="center"| 4th Western Division

| align="center"| C. Mackin ; Séamus Kilcullen

align="center"| 1922-

| align="center"| 5 North West Mayo

| align="center"| 4th Western Division

| align="center"| Anthony Farrell

align="center"|

| align="center"| East Mayo

| align="center"| 3rd Western Division

| align="center"|

{{Cite web |url=http://mspcsearch.militaryarchives.ie/docs/files/PDF_Membership/8/RO%2060%20-%20611/MA-MSPC-RO-325.pdf |title=Archived copy |access-date=2021-04-14 |archive-date=2021-04-14 |archive-url=https://web.archive.org/web/20210414165829/http://mspcsearch.militaryarchives.ie/docs/files/PDF_Membership/8/RO%2060%20-%20611/MA-MSPC-RO-325.pdf |url-status=live }}

=County Roscommon=

=County Sligo=

Other

class="wikitable sortable" style="text-align:right"

! width=20% | Period

! width=30% | Brigade

! width=20% | Division

! width=30% | Commandant

align="center"|

| align="center"| 1st Scottish Brigade

| align="center"| 1st Scottish

| align="center"|

align="center"|

| align="center"| 2nd Scottish Brigade

| align="center"| 1st Scottish

| align="center"|

align="center"|

| align="center"| Liverpool Battalion

| align="center"|

align="center"|

| align="center"| London Battalion

| align="center"|

align="center"|

| align="center"| Newcastle-on-Tyne Battalion

| align="center"|

align="center"|

| align="center"| Q Company GHQ

| align="center"|

Bibliography

{{cite book |title=The Irish War of Independence: The Definitive Account of the Anglo Irish War of 1919-1921|last=Hopkinson|first=Michael|year=2002|publisher=Gill & Macmillan Ltd|isbn=0-7171-6197-8}}
{{cite book |title=Guerrilla Warfare in the Irish War of Independence, 1919-1921|last=McKenna|first=Joseph|year=2011|publisher=McFarland|isbn=978-0-7864-8519-2}}

References

External links

[https://web.archive.org/web/20190323020222/http://www.bureauofmilitaryhistory.ie/index.html Bureau of Military History, 1913-1921] at Defence Forces
[https://web.archive.org/web/20140524120412/http://www.generalmichaelcollins.com/life-times/1921-truce-and-treaty-negotiations/irish-civil-war/ Order of Battle of the Irish Republican Army, June 1922] by Paul V. Walsh

Category:Irish Republican Army (1919–1922)

Category:Ireland-related lists