McCaffrey is an Irish surname. It is found mostly in the Counties Fermanagh, Monaghan, Cavan and Tyrone in the north west of Ireland. Ballymccaffrey is a townland outside of Tempo in county Fermanagh. The surname is an Anglicised form of the Gaelic names Mac Gafraidh, Mac Gofraidh, which mean "son of Gafraidh", "son of Gofraidh". The Gaelic names are forms of the Old Norse Guðfróðr. Notable people with the surname include:
Anne McCaffrey (1926–2011), science fiction authorBilly McCaffrey (born 1971), American basketball player (brother of Ed and uncle of Christian)Barry McCaffrey (born 1942), military analystCam McCaffrey (born 1983), Canadian former professional ice hockey playerChristian McCaffrey (born 1996), American football player (son of Ed)Ed McCaffrey (born 1968), American football playerFrancis J. McCaffrey (1917–1989), New York politician from the BronxFrancis J. McCaffrey, Jr. (1902–1972), New York politician and judge from BrooklynFrank McCaffrey, American college football All-American playerLt. Col. George Herbert McCaffrey, of the Canicattì massacreJames McCaffrey (born 1960), American actorJames D. McCaffrey (born 1950), software researcherJanice McCaffrey (born 1959), Canadian racewalkerJohn McCaffrey (disambiguation), several peoplePete McCaffrey (1938–2012), American basketball playerStuart McCaffrey (born 1979), Scottish footballer