Cos Family History
Cos Surname Meaning
Catalan: habitational name from any of the places called Cós in Catalonia (Spain) from cos ‘run’ (from Latin cursu).
Spanish (northern): nickname from regional cos ‘bump’. Romanian (Coş): nickname or metonymic occupational name from coş ‘pannier basket’ also ‘chimney’, a word of Slavic origin (see Kos).
Americanized or Italianized form of Slovenian, Croatian or other Slavic Kos ‘blackbird’. Compare Coss.
Amerindian (mainly Guatemala): unexplained.
Source: Dictionary of American Family Names 2nd edition, 2022
