Family name origins & meanings
- Hungarian (Kállay) and Jewish (from Hungary) : habitational name for someone from a place called Kálló or Kallo in Nógrád county, or from the provincial town of Nagykálló in Szabolcs county. The Kállay family of Szabolcs county were one of Hungary’s oldest noble families, descendants of the Bolok-Simian clan, one of the 108 ancient clans mentioned in the Chronicle of Simon Kézai.