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...

Seamus Costello (1939–1977), Irish activist Séamus Coughlan (1953–2013), Irish Gaelic footballer Séamus Cullimore (born 1954), Irish politician Séamus Cullinane...

time passed discontent with the ceasefire in the movement grew and Seamus Costello, IRA veteran, operations officer for "general headquarters staff" (GHQ)...

former members of Workers' Party (aka 'Official' Sinn Féin), headed by Seamus Costello. He had been expelled from the Official Irish Republican Army (OIRA)...

elements within the organisation who objected to the ceasefire, led by Seamus Costello, established the Irish National Liberation Army (INLA). Another feud...

Anthony Costello (born 1976), American attorney and politician Ryan Christopher Costello (1996–2019), American baseball player Seamus Costello, Irish politician...

 158–169. ISBN 978-0-416-85930-0. OCLC 2866114. McKittrick, David; Kelters, Seamus; Feeney, Brian; Thornton, Chris; McVea, David (2008). Lost lives: the stories...

Liberation Army (INLA) and Irish Republican Socialist Party, led by Seamus Costello (later assassinated by the Official IRA during a bloody feud). The...

Ewart-Biggs killed by PIRA Seamus Ludlow killed by RHC John Francis Green killed by UVF Robert Nairac killed by PIRA Seamus Costello killed by OIRA Jeffery...

towards the Irish government of being dominated by "Jews and Freemasons". Seamus O'Donovan denounced Britain and the United States as being "centres of Freemasonry...