Kakos : 1: Greek: shortened form of surnames prefixed with the epithet kakos ‘bad mean’ for example Kakogiannis ‘John the Mean’.2: Assyrian/Chaldean: probably from kakku an ancient Assyrian name element denoting a kind of weapon.3: Hungarian: habitational name from a place in Szatmár County.4: Hungarian: variant of Kakas from kakas ‘rooster’ hence a nickname for someone thought to resemble a rooster or a metonymic occupational name for a farmer who kept chickens.5: Slovak (Kákoš and Kakoš): probably an unflattering nickname derived from kakať ‘to poo’.
Source : DAFN2 : Dictionary of American Family Names 2nd edition, ©2022 by Patrick Hanks and Oxford University Press
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