Seamus Twomey

Seamus Twomey
Photograph of Twomey taken in 1972 during an IRA Press Conference
Native name
Séamus Ó Tuama
NicknameThumper
Born(1919-11-05)5 November 1919
Died12 September 1989(1989-09-12) (aged 69)
Buried
AllegianceIrish Republic
BranchFianna Éireann (1936–1937)

Irish Republican Army (1937–1969)

Provisional IRA (1969–late 1980s)
RankVolunteer (1937–early 1970s)

Officer Commanding (early 1970s–1973)

Chief of Staff (1973; 1974–1977)
UnitBelfast Brigade
ConflictsThe Troubles
SpouseRosie McCotter

Seamus Twomey (Irish: Séamus Ó Tuama; 5 November 1919 – 12 September 1989) was an Irish republican activist, militant, and twice chief of staff of the Provisional IRA.