Gustin Family History
Gustin Surname Meaning
French Walloon German and Swedish; Slovenian and Croatian (mainly Guštin): from a short form of the personal name Augustin (Slovenian Avguštin Avgustin Croatian Auguštin Augustin) from Latin Augustinus (see Austin ). Compare Gustine . In some cases possibly also an American shortened form of Slovenian Gustinčič: patronymic from the personal name Gustin (see 1 above).
Source: Dictionary of American Family Names 2nd edition, 2022