Kosko Family History
Kosko Name Meaning
Ukrainian and Jewish (from Ukraine): nickname for a squint-eyed person from Ukrainian kosyy ‘squint’ + the noun suffix -ko. Slovak (Koško): probably from a pet form of the old personal name Kochan or of some other name beginning with Ko- or of their common pet form Koša (see Kosa ). Alternatively it may be a nickname from koš ‘basket’.
Source: Dictionary of American Family Names 2nd edition, 2022