The president of Sinn Féin (Irish: Uachtarán Shinn Féin) is the most senior politician within the Sinn Féin political party in Ireland. Since 10 February 2018, the office has been held by Mary Lou McDonald, following the decision of Gerry Adams to stand down as leader of the party and not seek re-election again.^[1] Unlike other political parties, the president of Sinn Féin does not have the power to dismiss or appoint their deputy and to dismiss or appoint parliamentary party members to front bench positions. These decisions are taken by the Ard Chomhairle (National Executive).

If the president is not a member of Dáil Éireann, then a TD is appointed in their place to act as the leader of the parliamentary party.

The vice president of Sinn Féin is Michelle O'Neill.^[2]

Although Sinn Féin was founded in 1905 by Arthur Griffith, Griffith did not initially take the presidency. Edward Martyn, a cultural activist and playwright, was elected president at the party's first annual convention on 28 November 1905. He was succeeded in 1908 by John Sweetman. Griffith served as vice president until he was finally elected president in 1911. At the Ard Fheis of 1917, which followed the Easter Rising, Griffith stepped down in favour of Éamon de Valera.

De Valera is the only one of the fifteen leaders to date to have been head of government while serving as leader. Griffith and de Valera were elected in the 1918 general election and were involved in the creation of the First Dáil. De Valera served as President of the Dáil and Griffith served first as Minister for Home Affairs, then as Minister for Foreign Affairs, and finally, following the Anglo-Irish Treaty, as President of the Dáil. De Valera, as an anti-Treaty republican, did not sit in the Third Dáil. He resigned from both the leadership and the party in 1926, when his motion to allow elected members to sit in the Dáil was defeated at the party's Ard Fheis.^[3] De Valera's successor John J. O'Kelly was one of four leaders who served for brief periods of time as Sinn Féin's party membership declined in favour of Fianna Fáil and Fine Gael.

In 1937, Margaret Buckley became the first female President of Sinn Féin. During her thirteen years as leader, she vastly improved the relations between the IRA and the party. She was succeeded by Paddy McLogan and Tomás Ó Dubhghaill who both helped rebuild party support in the aftermath of World War II. Tomás Mac Giolla became president in 1962 and served for over eight years as leader of the party. When the party split, Mac Giolla remained leader of Official Sinn Féin. Official Sinn Féin was later renamed the Workers' Party. Ruairí Ó Brádaigh was elected as the new leader of the Provisional Sinn Féin in 1970. Ó Brádaigh's presidency was shaped by relentless violence between republican and loyalist paramilitaries and the British security forces. He was one of the republican representatives which met with the British representatives in hope of ending the Troubles.

Ó Brádaigh resigned in 1983, due to dissatisfaction among party activists in Northern Ireland. Vice President Gerry Adams became the fourteenth President of the party in 1983. He became the longest serving president in the party's history. During his presidency, the IRA declared a ceasefire and the Good Friday Agreement was signed. Party support rose as Sinn Féin became the largest nationalist party in Northern Ireland. In 2011, Gerry Adams left the Northern Ireland Assembly and won a seat in Dáil Éireann. He is the first president since 1926 to also sit in Dáil Éireann.

Unlike other political party leaders, the president of Sinn Féin does not have the power to appoint or dismiss their deputy. The position is elected by members of the party at the Ardfheis. The vice-president has a seat on the Ard Chomhairle (National Executive) Officer Board.

1905–1983

More information Vice-president (Birth–death), Portrait ...

President		Vice-president (Birth–death)		Portrait	Took office	Left office	Vice-president (Birth–death)		Portrait	Took office	Left office
	Edward Martyn		Arthur Griffith (1872–1922)		1905	1911[4]		John Sweetman (1844–1936)		1905	1908[4]
								Bulmer Hobson (1883–1969)		1908	1910[4]
								Thomas Kelly (1868–1942)		1910	Unknown[4]
	Arthur Griffith		Jennie Wyse Power (1858–1941)		1911	Unknown[4]
	Éamon de Valera		Fr. Michael O'Flanagan (1876–1942)		1917	1923		Arthur Griffith (1872–1922)		1917	1922
			Kathleen Lynn (1874–1955)		1923	1927		P. J. Ruttledge (1892–1952)		1923	1926
	John J. O'Kelly		Mary MacSwiney (1872–1942)		1927	Unknown		John Madden (died 1954)		Unknown
	Brian O'Higgins							Unknown
	Fr. Michael O'Flanagan		Margaret Buckley (1879–1962)		1933	1937		John J. O'Kelly (1872–1957)		1933	1934
								Liam Raul (died 1945)		1934	1935
	Cathal Ó Murchadha							Liam Raul (died 1945) and Tom Maguire (1892–1993)		1935	1937
	Margaret Buckley
			Seamus Mitchell		1937	Unknown		Padraig de Paor		1937	Unknown
			Criostóir O'Neill		Unknown			Unknown
	Paddy McLogan		Tomás Ó Dubhghaill (1917–1962)		1950	1952		Michael Traynor (born 1917)		1950	1954
	Tomás Ó Dubhghaill		Margaret Buckley (1879–1962)		1952	1960
	Paddy McLogan							Tomás Ó Dubhghaill (1917–1962)		1954	1962
	Paddy McLogan		Tony Magan (1911–1981)		1960	1962
	Tomás Mac Giolla		Michael Traynor (born 1917)		1962			Rory O'Driscoll		1962	1963
			Larry Grogan (1899–1979)		1962	1969
								Seán Caughey (–2010)		1963	1965
							None (1965–1966)
								Joe Clarke (1882–1976)		1966	1972
			Cathal Goulding (1922–1998)		1969	1970
	Ruairí Ó Brádaigh		Larry Grogan (1899–1979)		1970	1971
			Dáithí Ó Conaill (1938–1991)		1971	1978
								Máire Drumm (1919–1976)		1972	1976
								Joe Cahill (1920–2004)		1976	1978
			Gerry Adams (born 1948)		1978	1983
								Dáithí Ó Conaill (1938–1991)		1978	1983

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• History of Sinn Féin
• Leader of Fianna Fáil
• Leader of Fine Gael
• Leader of the Labour Party