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Seamus Costello (Irish: Séamus Mac Coisdealbha, 1939 – 5 October 1977) was an Irish politician. He was a leader of Official Sinn Féin and the Official Irish Republican Army and latterly of the Irish Republican Socialist Party (IRSP) and the Irish National Liberation Army (INLA).
Seamus Costello (en irlandés: Séamus Mac Coisdealbha, 1939-1977) fue un político irlandés de ideología republicana y socialista. Su mayor fama le vino por ser el fundador del Partido Republicano Socialista Irlandés, brazo político del INLA.
A biography of Séamus Costello, a republican socialist leader who founded the Irish Republican Socialist Party and the Irish National Liberation Army. Learn about his life, political career, and assassination in 1977.
Seamus Costello was born in Old Connaught Avenue, Bray, County Wicklow in 1939. He attended Ravenswell National School in Bray. In 1950, at the age of eleven, he moved with his family to Roseville on the Dublin. Road in Bray.
This was followed by several more assassinations on both sides, the most prominent victim being Seamus Costello, who was shot dead on the North Strand Road in Dublin on 5 October 1977. Costello's death was a severe blow to the INLA, as he was their most able political and military leader.
Seamus Costello (1939-1977) was an Irish Republican socialist, politician and paramilitary leader. Costello was an important figure in Sinn Fein and the Official IRA, though he is best remembered as the founding member and first leader of the Irish National Liberation Army (INLA).
Learn about Seamus Costello, a prominent leader of the Republican Movement in Ireland, who gave a historic oration in 1966 and advocated for a socialist republic. Read about his achievements, such as commanding an active service unit, helping re-organize the movement, contesting elections, and forming the Irish Republican Socialist Party.
