List of members of the Oireachtas imprisoned during the Irish revolutionary period explained

This is a list of members of the Oireachtas (National Parliament of Ireland)^[1] who served a prison sentence or were interned during the Irish revolutionary period (1916–23) in any jurisdiction before, during or after their time as a Teachta Dála (TD) or Senator.

Many were imprisoned as a result of their actions against the British Government in the lead-up to the formation of the Irish Free State in 1922. The list is ordered by first term of imprisonment.

Name	Party		Term of office		Prison time	Prison(s)	Reason	Notes
Liam Mellows			1918		–1916	Reading	Arrested under the Defence of the Realm Act 1914
	1917–18				The Tombs	Attempting to aid the German side in World War I
	Jun–Dec 1922					Actions during the Irish Civil War	Executed in December 1922
			1923	1969	1916–17	Frongoch	Interned for participating in 1916 Easter Rising
Con Collins		Anti-Treaty Sinn Féin	1918	1923	1916–17	Frongoch	Interned for participating in 1916 Easter Rising
Michael Collins		Pro-Treaty Sinn Féin	1918		1916–17	Frongoch	Interned for participating in 1916 Easter Rising
Éamon de Valera		Anti-Treaty Sinn Féin, Fianna Fáil	Jul 1917	Jun 1959	1916–17	Dartmoor, Maidstone, Lewes	Interned for participating in 1916 Easter Rising	Sentenced to death, commuted to life imprisonment because of his U.S. citizenship
					Lincoln	Sedition	Escaped in February 1919
	1923–24				Arbour Hill	Actions during the Irish Civil War
	1924				Crumlin Road	Illegally entering Northern Ireland	Held for 1 month in Solitary confinement
Arthur Griffith		Pro-Treaty Sinn Féin	Jun 1918		1916–17	Frongoch	Interned for participating in 1916 Easter Rising
Diarmuid Lynch		Sinn Féin	1918	1921	1916–17	Pentonville	Interned for participating in 1916 Easter Rising	Sentenced to death, commuted to life imprisonment because of his U.S. citizenship
Pierce McCan		Sinn Féin	1918	Mar 1919	1916–17	Reading	Interned for participating in 1916 Easter Rising
	May 1918–Mar 1919				Gloucester	Suspected involvement in the German Plot	Died in prison from influenza
			1918	1922	ca. 1918		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad".
		Anti-Treaty Sinn Féin, Fianna Fáil	1918	1923	ca. 1918
Seán McGarry		Pro-Treaty Sinn Féin,	1921	Oct 1924	1916–17	Frongoch	Interned for participating in 1916 Easter Rising
	May 1918–Feb 1919				Lincoln	Conspiring with the German enemy	Escaped in February 1919
		Sinn Féin, Fianna Fáil	1918	Jul 1927	1916–17	Kilmainham	Interned for participating in 1916 Easter Rising	Sentenced to death, commuted to life imprisonment on account of her gender
	May 1918–Mar 1919				Holloway	Suspected involvement in the German Plot
Richard Mulcahy		Pro-Treaty Sinn Féin, Fine Gael	1918	1961	Apr–Dec 1916	Frongoch	Interned for participating in 1916 Easter Rising
Cathal Ó Murchadha		Sinn Féin	1921	Jun 1927	1916–17	Frongoch	Interned for participating in 1916 Easter Rising
	1922–23					Actions during the Irish Civil War
Alexander McCabe		Sinn Féin	1918	1925	1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"^[2]
Art O'Connor		Sinn Féin	1918	1923	1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Austin Stack		Sinn Féin	1918	1927	1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Brian O'Higgins		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Desmond FitzGerald		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Ernest Blythe		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Fionán Lynch		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Frank Fahy		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Frank Lawless		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
J. J. Clancy		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
James Crowley		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
James Dolan		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
James Lennon		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Joseph MacBride		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Joseph MacDonagh		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Joseph McGrath		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Joseph McGuinness		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Laurence Ginnell		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Michael Colivet		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Paul Galligan		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Richard Hayes		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Seán Etchingham		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Seán MacEntee		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Seán O'Mahony		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
Thomas Hunter		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
William Sears		Sinn Féin	1918		1919		Anti-British activity	Listed on the roll of the First Dáil as "imprisoned abroad"
		Sinn Féin	1918	1923	Feb–Mar 1919, Jan 1920–Jul 1921	Mountjoy	Sedition	Escaped in March 1919
		Sinn Féin	1921	1922	1920	Galway Gaol	Actions during the Irish War of Independence	Six months, released early
		Sinn Féin Fianna Fáil	1921	1942	1920, 1921	Sligo Gaol, Derry Gaol	Actions during the Irish War of Independence	Escaped from both prisons
Terence MacSwiney		Sinn Féin	1918	Oct 1920	1919; Aug–Oct 1920	Brixton	Possession of seditious articles and documents	Died on hunger strike in October 1920
Linda Kearns MacWhinney		Fianna Fáil	Apr 1938	Jul 1938	Nov 1920–Apr 1921	Walton, Mountjoy	Possession of guns	Escaped in April 1921
Seán Mac Eoin		Pro-Treaty Sinn Féin, Cumann na nGaedheal, Fine Gael	1921	1965	Mar–Aug 1921	Mountjoy	Actions during the Irish War of Independence	Sentenced to death but later commuted
Seán MacBride		Clann na Poblachta	Oct 1947	1957	1922–23	?	Actions during the Irish Civil War
Peadar O'Donnell		Sinn Féin	1923	Jun 1927	1922–24	Mountjoy	Actions during the Irish Civil War

See also

• List of members of the Oireachtas imprisoned since 1923
• Records of members of the Oireachtas

Notes and References

1. The two Houses of the Oireachtas are: Dáil Éireann (lower) and Seanad Éireann (upper).
2. Web site: An Rolla . First Dáil proceedings . 21 January 1919 . Irish . 17 April 2015.