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Last name origins & meanings:

  1. German (also Wächter) and Dutch: occupational name for a watchman, from Middle High German wachtære, wehtære, Middle Dutch wacht(e)re, German Wachter ‘watchman’, ‘guard’.
  2. Jewish (Ashkenazic): from German Wachter ‘watchman’, perhaps an occupational name by a synagogue beadle (Yiddish shames).