Jost Family History
Jost Name Meaning
German (also Jöst) and Dutch: from a personal name a derivative of Old French Josse from Breton Iodoc Latinized as Jodocus (see Joyce ). It can also be from the personal name Just Latin Justus. The surname Jost is also found in Poland and Slovenia (compare with the form Jošt below). Slovenian and Czech (Jošt): from a personal name derived from German Jost and this one from Jodocus the Latinized name of a Christian saint (see Joyce compare 1 above). Slovak and Croatian (Jošt): from a personal name derived from Just Latin Justus (compare 1 above). Alternatively of the same origin as Slovenian and Czech name in 2 above. Compare Yost .
Source: Dictionary of American Family Names 2nd edition, 2022