Anglicized Irish surname from Gaelic family forms such as Ó Caffraigh, retained today mainly as a family-name given name.
Caffrey traces its roots to the Irish surname Ó Cafaraigh, an anglicization of the Gaelic personal name Cafarach, which itself may derive from the Old Irish word for goat herder or from a Proto-Celtic root associated with battle readiness. The name was concentrated in the historic province of Connacht, particularly County Roscommon, where the Ó Cafaraigh sept held lands before the Tudor-era displacements reshuffled Irish clan territories.
As Irish emigration carried surnames across the Atlantic in the 18th and 19th centuries, Caffrey became embedded in Irish-American communities from Boston to Chicago, eventually developing a second life as a given name — a practice common among Irish diaspora families honoring maternal lineage or beloved family surnames. The name carries the robust, consonant-heavy music characteristic of Gaelic naming traditions. In contemporary culture, Caffrey received a significant pop-culture boost from the character Neal Caffrey in the USA Network series White Collar (2009–2014), a charming con-artist-turned-FBI-consultant whose charisma made the name feel both sophisticated and roguish. Today Caffrey sits comfortably in the modern trend of surname-as-first-name, appealing to parents who want something distinctly Irish without reaching for the more saturated Aidan or Declan.