Skip to main content

Updated June 9, 2019

Family name origins & meanings

  • Polish and Czech : possibly a nickname for a bony, angular person, from a derivative of kost ‘knucklebone’.
  • Polish and Czech : more probably a derivative of the Latin personal name Constantius or Constantinus (see Kost, Constant, Constantine).

Join the Family

Your partner in parenting from baby name inspiration to college planning.

Subscribe