Kosa Family History
Kosa Name Meaning
Hungarian; Czech and Slovak (Koša): from a pet form of any of numerous personal names beginning with Ko- e.g. Kornel (see Cornelius ) and Kochan . Czech and Polish: from a pet form of Kos ‘blackbird’. Czech Polish Slovak and Sorbian: from kosa ‘scythe’ a metonymic occupational name for a maker of scythes or a metonymic occupational name for a reaper. The Sorbian surname is apparently found in the Germanized form Kossa only.
Source: Dictionary of American Family Names 2nd edition, 2022