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Last name origins & meanings:

1. Jewish (Ashkenazic): from a Hebrew Biblical name meaning ‘lightning’.
2. Jewish (eastern Ashkenazic): acronymic surname from a Hebrew patronymic phrase Ben Rabi Kalonymos ‘son of rabbi Kalonymos’.
3. Czech (Barák): status name for the owner of a cottage without land, from barák ‘cottage’, ‘shanty’, ‘cabin’.
4. Hungarian: habitational name from a place called Barak, or from a pet form of one of two personal names, Bertalan (see Bartholomew) or Barabás (see Barabas).
5. Turkish, Bosnian, and Croatian (Kordun): nickname from barak ‘shaggy-haired’.
6. Croatian (Dalmatian coast): derivative of the personal name Bare, a pet form of Bartol (see Bartholomew) or Branimir.