Kostik Family History
Kostik Surname Meaning
Rusyn (from Slovakia; also Kostík): from a pet form of the personal name Kost 1 and local equivalents of Latin Constantius and Constantinus (see Constant Constantine).
Czech (mainly Kostík): nickname from Kost 2 ‘bone’. Altered form of Polish Ukrainian and Rusyn Kostyk or a variant transliteration of the Ukrainian surname.
Source: Dictionary of American Family Names 2nd edition, 2022
