PMs

1. Daniel O'Connell, 1775-1847
Prime Minister, 1836-1844
Conservative Party
2. William O'Brien, 1803-1864
Prime Minister, 1844-1852
Conservative Party
3. Michael Doheny, 1805-1863
Prime Minister, 1852-1863
Whig Party
4. John Mitchel, 1815-1876
Prime Minister, 1863-1876
Whig Party (Mitchelite Faction)
5. Charles Gavan Duffy, 1816-1903
Prime Minister, 1876-1884
Whig Party (Duffist Faction)
6. Charles Stewart Parnell, 1846-1891
Prime Minister, 1884-1891
Whig Party (Mitchelite Faction)
7. Charles Gavan Duffy, 1816-1903
Prime Minister, 1891-1892
Whig Party (Duffist Faction)
8. John Redmond, 1856-1927
Prime Minister, 1892-1908
Whig Party (Moderate Whig)
9. James Connolly, 1868-1922
Prime Minister, 1908-1921
Irish Social-Parliamentary Party (ISP) (1908-1916)
Whig Party (Liberal Whig) (1916-1921)
10. Arthur Griffith, 1872-1943
Prime Minister, 1921-1928
Conservative Party
11. W.T. Cosgrave, 1880-1969
Prime Minister, 1928-1930
Conservative Party
12. James Larkin, 1875-1951
Prime Minister, 1930-1933
Radical Anarco Liberal Party
13. Eamon de Valera, 1882-1975
Prime Minister, 1933-1960
Irish Social-Sword Party (ISP)
14. Jack Lynch, 1917-?
Prime Minister, 1960-1968
Irish Social-Sword Party (ISP)
15. George Colley, 1925-1984
Prime Minister, 1968-1980
Whig Party (Liberal Whig)
16. Jack Lynch, 1917-?
Prime Minister, 1980-1985
Irish Social-Sword Party (ISP)
17. Bertie Ahern, 1951-?
Prime Minister, 1985-1987
Conservative Party
18. Jack Lynch, 1917-?
Prime Minister, 1985-1992
Irish Social-Sword Party (ISP)
19. Bertie Ahern, 1951-?
Prime Minister, 1992-1996
Conservative Party
20. Brian Cowen, 1960-present
Prime Minister, 1996-present
United Whig Party
Official Flag of the Prime Minister of Ireland:
Kudos to those who can read and understand the Latin
And a note to those who haven't read the first part:
BCEU stands for
British
Commonwealth
Economic
Union, just FYI...