Koss Family History
Koss Surname Meaning
Germanized or Americanized form of Polish, Slovenian, Croatian, Serbian, Czech, and Slovak Kos Sorbian Kós ‘blackbird’. East German: from a short form of the personal name Kosmas (see Kosman).
German: nickname for a gossip or a smooth-talker, a variant of Kose.
Jewish (Ashkenazic): variant of Kos.
Source: Dictionary of American Family Names 2nd edition, 2022
