Kosterman Family History
Kosterman Name Meaning
Jewish (Ashkenazic): occupational name for a grocer or provisioner elaborated form of Koster Dutch: elaborated form of Koster 1 + man ‘man’. Americanized form of North German Köstermann: elaborated form of Köster (see Koster ) + -mann ‘man’.
Source: Dictionary of American Family Names 2nd edition, 2022