Statsministere (taoiseach)
| 1922 | Michael Collins1 |
| 1923–32 | William Cosgrave (CnG) |
| 1932–48 | Eamon De Valera (FF) |
| 1948–51 | John A. Costello (FG) |
| 1951–54 | Eamon De Valera (FF) |
| 1954–57 | John A. Costello (FG) |
| 1957–59 | Eamon De Valera (FF) |
| 1959–66 | Seán Lemass (FF) |
| 1966–73 | John (Jack) Lynch (FF) |
| 1973–77 | Liam Cosgrave (FG) |
| 1977–79 | John (Jack) Lynch (FF) |
| 1979–81 | Charles Haughey (FF) |
| 1981–82 | Garret FitzGerald (FG) |
| 1982 | Charles Haughey (FF) |
| 1982–87 | Garret FitzGerald (FG) |
| 1987–92 | Charles Haughey (FF) |
| 1992–94 | Albert Reynolds (FF) |
| 1994–97 | John Bruton (FG) |
| 1997–2008 | Bertie Ahern (FF) |
| 2008- | Brian Cowen (FF) |
CnG: Cuman na nGael; FF: Fianna Fáil; FG: Fine Gael
1Statsminister i den provisoriske regjeringen