Sinn Féin
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Sinn Féin is an Irish republican and democratic socialist political party active in Ireland, including both the Republic of Ireland and Northern Ireland.
Arthur Griffith is credited as the main founder of the party
The campaign car of Joseph McGuinness, who won the 1917 South Longford by-election whilst imprisoned. He was one of the first Sinn Féin MPs to be elected.
Ruairí Ó Brádaigh (pictured in 2004) was the president of Provisional Sinn Féin from 1970 until 1983.
Under the political leadership of Gerry Adams and Martin McGuinness (pictured 2016), Sinn Féin adopted a reformist policy, eventually leading to the Good Friday Agreement.
Michelle O'Neill
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Michelle O'Neill is an Irish politician who has been First Minister of Northern Ireland since February 2024 and Vice President of Sinn Féin since 2018. She has also been an MLA for Mid Ulster in the N
Sinn Féin
…the largest share of first-preference votes and the most seats in the 2022 election, the first time an Irish nationalist party has done so. Since 2024, Michelle O'Neill has served as the first ever Irish nationalist First Minister of Northern Ireland. From 2007 to 2022, Sinn Féin was the second-largest party in the…
O'Neill in 2026
O'Neill (far left) at the European Parliament, 2017
O'Neill with deputy First Minister Martin McGuinness in 2014
O'Neill, as First Minister designate, meets with First Minister of Scotland Humza Yousaf, November 2023.