Prost Family History
Prost Name Meaning
Dutch: variant and possibly also an Americanized form of Proost from Middle Dutch proo(f)st ‘provost’ an occupational name for the head of a religious chapter or educational establishment or since such officials were usually clergy and celibate a nickname for a self-important person. French: shortened form of Provost 1 ‘provost’ a cognate of German: shortened form of Probst ‘provost’ a cognate of German (of Slavic origin) and Jewish (from Poland): nickname from Polish prosty ‘simple common’.
Source: Dictionary of American Family Names 2nd edition, 2022