F
- Thomas Finlay (1893–1932): CnaG TD Dublin County 1930–1932
- his son Thomas Finlay (born 1922): FG TD Dublin South–Central 1954–1957
- Desmond FitzGerald (1888–1947): CnaG TD 1919–1937, Senator 1938–1943
- his son Garret FitzGerald (1926–2011): FG Senator 1965–1969, FG TD Dublin South–East 1969–1992
- Garret's daughter-in-law Eithne FitzGerald (born 1950): Lab TD Dublin South 1992–1997
- his son Garret FitzGerald (1926–2011): FG Senator 1965–1969, FG TD Dublin South–East 1969–1992
- Oliver J. Flanagan (1920–1987): FG TD Laois–Offaly 1943–1987
- his son Charles Flanagan (born 1956): FG TD Laois–Offaly 1987–2002, 2007–
- Pádraig Flynn (born 1939): FF TD Mayo West 1977–1993
- his daughter Beverley Flynn (born 1966): FF/Ind TD Mayo 1997–2011
- Johnny Fox (1948–1995): Ind TD Wicklow 1992–1995
- his daughter Mildred Fox (born 1971): Ind TD Wicklow 1995–2007
- Seán French (1890–1937): FF TD Cork Borough 1927–1932
- his son Seán French (1931–2011): FF TD Cork Borough/Cork City North–West/Cork City/Cork North–Central 1967–1982
Read more about this topic: Families In The Oireachtas