Posch Family History
Posch Surname Meaning
South German: variant of Bosch. Germanized form of Sorbian and Czech Poš: from a pet form of a personal name beginning with Po- such as any of various Slavic names formed with po ‘on by after’.
Germanized form (Pösch) of Sorbian Pěš: from the Lower Sorbian personal name Pěš a vernacular form of Pětš an equivalent of Peter.
Source: Dictionary of American Family Names 2nd edition, 2022
