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.
Mary Lou McDonald
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Mary Louise McDonald is an Irish politician who has served as Leader of the Opposition in Ireland since June 2020, as President of Sinn Féin since February 2018, and as a Teachta Dála for the Dublin C
Sinn Féin
…In Dáil Éireann it is the main opposition, having won the second largest number of seats in the 2024 election. The current president of Sinn Féin is Mary Lou McDonald, who succeeded Gerry Adams in 2018. The phrase "Sinn Féin" is Irish for "Ourselves" or "We Ourselves", although it is frequently mistranslated as…
McDonald in 2025
McDonald's official European Parliament portrait, circa 2004
Mary Lou McDonald and Gerry Adams speaking in 2014
McDonald in 2018