
English: from Middle English golden ‘made of gold; golden in color’ (from Old English gylden) generally a nickname for someone with golden-blond hair. Irish: shortened Anglicized form of Gaelic Mag Ualghairg (see McGoldrick ). Irish: adopted for Ó Gabhláin ‘descendant of Gabhlán’ a personal name based on a diminutive of gabhal ‘fork’.
Source: Dictionary of American Family Names 2nd edition, 2022