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Updated June 9, 2019

Family name origins & meanings

  • Polish and Jewish (from Poland) : from Polish kaczor ‘drake’, applied either as a nickname or (especially among Jews) as an ornamental name.
  • Hungarian : nickname from Slovak kocúr ‘tom cat’; alternatively it may be from Hungarian kacor ‘curved knife’ (from Southern Slav koser, kosir, kosor), perhaps as a metonymic occupational name for a maker or user of such knives.

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