Parliament (Oireachtas) is bicameral and is located in Dublin.
The Dáil Eireann (House of Representatives) has 166 members, who are elected to five-year terms by popular vote. The Seanad Eireann (Senate) has 60 members who serve five-year terms. 11 are appointed by the prime minister. 6 are chosen by graduates of National University of Ireland. The rest are elected from panels of candidates of 5 fields. It is mainly an advisory body. The president is also a part of the parliament.
Governors-General
1922-1928 T.M. Healy
1928-1932 James McNeill
1932-1936 Donal Buckley
1936-1937 Frank Fahy and Eamon de Valera
Presidents
1919-1922 Eamon de Valera
1922-1922 Arthur Griffith
1922-1922 William Thomas Cosgrave
1937-1938 Presidential Commission
1938-1945 Douglas Hyde
1945-1959 Sean T. O’Kelly
1959-1973 Eamon de Valera
1973-1974 Erskine H. Childers
1974-1974 Presidential Commission
1974-1976 Cearbhall O’Dalaigh
1976-1976 Presidential Commission
1976-1990 Patrick J. Hillery
1990-1997 Mary Robinson
1997-1997 Presidential Commission (acting)
1997-2011 Mary McAleese
2011 now Michael Daniel Higgins
Prime Ministers
1922-1932 William Thomas Cosgrave
1932-1948 Eamon De Valera
1948-1951 John Costello
1951-1954 Eamon De Valera
1954-1957 John Costello
1957-1959 Eamon De Valera
1959-1966 Sean Lemass
1966-1973 Jack Lynch
1973-1977 Liam Cosgrave
1977-1979 Jack Lynch
1979-1981 Charles Haughey
1981-1982 Garret FitzGerald
1982-1982 Charles Haughey
1982-1987 Garret FitzGerald
1987-1992 Charles Haughey
1992-1994 Albert Reynolds
1994-1997 John Bruton
1997-2008 Bertie Ahern
2008-2011 Brian Cowen
2011 now Enda Kenny