Kostyk Family History
Kostyk Surname Meaning
Polish, Ukrainian, and Rusyn: from a pet form of the old personal name Kost and local equivalents (Polish Konstanty and Konstantyn, Ukrainian Kostyantyn) of Latin Constantius and Constantinus (see Constant Constantine).
Nickname from a derivative of Polish kość and Russian kost ‘bone’ (see Kost).
Source: Dictionary of American Family Names 2nd edition, 2022
