Leader of Sinn Féin joined opposing sides with De Valera leading the Anti-Treaty faction, while Griffith joined the Pro-Treaty faction, which later became Cumann na nGaedheal. De Valera’ 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
History of Sinn Féin History of Sinn Féin Sinn Féin (""We Ourselves"", often mistranslated as "Ourselves Alone") is the name of an Irish political party founded in 1905 by Arthur Griffith. It subsequently became a focus for various forms of Irish nationalism, especially Irish republicanism. Its splits during the Irish Civil War in 1922 and again at the beginning of the Troubles in 1969 had dramatic effects on politics in Ireland. Sinn Féin today is a republican, left-wing and secular party. The ideas that led to Sinn Féin were first propounded by the "United Irishman" newspaper and its editor, Arthur Griffith. An article by