Quain Family History
Quain Name Meaning
Irish (Cork Limerick Waterford): shortened Anglicized form of Gaelic Ó Cuáin ‘descendant of Cuán’ (see Coyne ). Manx: shortened Anglicized form of Gaelic Mac Dubháin ‘son of Dubhán’ a personal name formed from a diminutive of dubh ‘black’. Compare Duane .
Source: Dictionary of American Family Names 2nd edition, 2022