Home Military people Seamus Twomey Seamus Twomey Military person Seamus Twomey (5 November 1919 – 12 September 1989) was an Irish republican paramilitary and twice chief of staff of the Provisional IRA. Personal facts Birth dateNovember 05, 1919 Birth placeBelfast Date of deathSeptember 12, 1989 Place of deathDublin facebook tumblr linkedin twitter reddit google+ Search Military person allegianceIrish Republican Army military operationsThe Troubles military branchIrish Republican Army (1922–69) Topical connections Alex MaskeyPolitician Alex AttwoodPolitician Austin StackPolitician Antoine Mac Giolla BhrighdeMilitary person Billy McMillenMilitary person Seamus Twomey on Wikipedia Seamus Twomey