The surname Buckley is of Anglo-Irish and British origin, possessing dual etymological roots. In some family lines, it derives from the Old English words for a clearing or hill frequented by stags or bucks, while in Irish contexts, it is an anglicized form of the Gaelic Ó Buachalla, meaning descendant of the cowherd. Therefore, individuals carrying the name Buckley are predominantly of European descent, tracing their heritage to England or Ireland. Generations of global migration have spread the surname extensively across the English-speaking world, making it a well-established family name in countries like the United States, Ireland, Canada, and Australia.

The surname Buckley is of Irish and English origin, possessing dual historical roots across the British Isles. In an Irish context, Buckley is an Anglicized form of the Gaelic Ó Buachalla, meaning descendant of the cowherd, originating predominantly from County Cork. In an English context, it can be a habitational name derived from places named Buckley in Cheshire and Lancashire, meaning clearing in the beech wood. Individuals carrying this surname are typically of Irish or British ethnic heritage.