Kocian Family History
Kocian Surname Meaning
Czech (mainly Kocián) and Slovak (also Kocián): variant of Kocan. Americanized form of Slovenian Kocjan or its mostly Croatian variant Kocijan and possibly also a shortened form of the Slovenian patronymics Kocjančič and Kocijančič.
Croatian Kocijančić. Americanized form of Hungarian Kóczián: patronymic from the personal name Kocz, a short form of Konstantin (see Constantine).
Source: Dictionary of American Family Names 2nd edition, 2022