Franc Family History
Franc Surname Meaning
French and Catalan: from the ancient Germanic personal name Franko in origin an ethnic name for a Frank which also came to be used as an adjective meaning ‘free open-hearted generous’ (Old French franc ‘free’ i.e. not a serf or slave); see Frank Compare French Franck.
Polish, Czech, and Slovak: from a Slavicized form of the German personal name Franz.
Slovenian and Croatian: from a vernacular form of the personal names Slovenian Frančišek Croatian Francisko (from Latin Franciscus; see Francis) derived from or influenced by German Franz.
Source: Dictionary of American Family Names 2nd edition, 2022