Submitted Name (1) Save Type Surname Usage Polish, Czech, Slovak, Sorbian, Ukrainian Edit Status Status [show contributorhide contributor] Added 2/18/2014 by Fanny Meaning & History Ethnic name for a Cossack, a member of a people descended from a group of runaway serfs who set up a semi-independent military republic in Ukraine in the 15th and 16th centuries.
Submitted Name (2) Save Type Surname (from nickname) Usage Jewish Edit Status Status [show contributorhide contributor] Added 2/18/2014 by Fanny Meaning & History Nickname from Yiddish kozak from a Ukrainian loanword meaning "warrior", "brave man".