Koos Family History
Koos Name Meaning
German: habitational name from Koos in Pomerania. Dutch: probably a nickname for a flatterer or persuasive talker from Middle Dutch cose ‘flattery’ a noun derivative of cosen ‘to fondle or caress to smooth talk’. Hungarian (Koós): variant of Kós (see Kos ).
Source: Dictionary of American Family Names 2nd edition, 2022