Duffin Family History
Duffin Name Meaning
English (Hampshire): possibly from the Old Norse personal name Dufan a loan from Old Irish Dubán derived from the ancestor of Gaelic dubh ‘dark’. Irish (Antrim): shortened Anglicized form of Gaelic Ó Duibhfinn ‘descendant of Dubhfionn’ a personal name composed of dubh ‘dark’ + fionn ‘fair’.
Source: Dictionary of American Family Names 2nd edition, 2022