Family name origins & meanings
- Czech Blatník) : topographic name from blata ‘moorland’ (from bláto ‘mud’).
- Slovenian : topographic name for a person from a muddy or miry place or a swamp, from blato ‘mud’, ‘mire’, or from Slovenian dialect blata ‘swamp’.
- Slovenian : habitational name for someone from any of several Slovenian villages called Blato or Blate.
- Slovenian : possibly also a nickname or topographic name from blatnik ‘pond lily’ (Nuphar luteum).