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
Sinn Féin (newspaper) Patrick, the Virgin Mary, and The Pilgrim’s Progress, and reflects the explicitly religious language of the Sinn Féin propagandist Robert Lynd. Through "The United Irishman" and "Sinn Féin" Griffith demonstrated the need to arrogate legislature from the hands of the British by transferring Irish Parliament back to Dublin. However, Irish Parliamentary parties quite clearly could not agree to Griffith's urgings, as such a move would undermine the foundation of their existence in Westminster. "Sinn Féin" thus served as conduit for Griffith's opposition to The Act of Union 1800. Sinn Féin (newspaper) Sinn Féin was a weekly Irish nationalist newspaper edited