O'Farrell
O'Farrell is an anglicised form of the Old Irish patronym Ó Fearghail. According to the historian C. Thomas Cairney, the O'Farrells were part of the Conmaicne Rein tribe in Ireland who came from the Erainn tribe who were the second wave of Celts to settle in Ireland from about 500 and 100 BC.
People with the surname
- Barry O'Farrell, Australian politician
- Bernadette O'Farrell, Irish actress
- Bob O'Farrell, American baseball player
- Brett O'Farrell (disambiguation), several people
- * Brett O'Farrell (Australian rules footballer), Australian footballer
- * Brett O'Farrell (rugby league), Australian footballer
- Broderick O'Farrell
- Derek O'Farrell, Canadian rower
- Elizabeth O'Farrell, Irish revolutionary
- Finola O'Farrell, British judge
- Francis Fergus O'Farrell, Irish soldier
- Frank O'Farrell, Irish footballer
- Henry O'Farrell, Australian assassin
- Jasper O'Farrell, American politician
- John O'Farrell (disambiguation), several people
- *John O'Farrell (author), British writer and political activist
- *John O'Farrell (politician), Canadian politician
- *John O'Farrell (venture capitalist), American financier
- *John A. O'Farrell, American adventurer
- *J. T. O'Farrell, Irish politician
- Josh O'Farrell, American politician
- Lauren O'Farrell, British artist
- Luke O'Farrell, Irish hurler
- Maggie O'Farrell, Irish-British novelist
- Maud O'Farrell Swartz, American politician
- Maureen O'Farrell, British actress
- Michael O'Farrell (disambiguation), several people
- * Michael O'Farrell (bishop), Australian bishop
- * Michael O'Farrell (gangster), American gangster
- * Michael J. O'Farrell, Irish bishop
- Mitch O'Farrell, American politician
- Patrick O'Farrell, Australian historian
- Patrick H. O'Farrell, American biologist
- Pierre O’Farrell, American actor
- Richard O'Farrell (British Army officer), British colonel
- Richard O'Farrell (Irish Confederate), Irish soldier
- Séamus O'Farrell, Irish politician
- Seánie O'Farrell, Irish hurler
- Tadeo O'Farrell, Irish bishop
- Talbot O'Farrell, English singer
- Tony O'Farrell, Irish mathematician
- Ursula O'Farrell, Irish author