FamilyEducation.com
   
 

First name origins & meanings:

  1. Slavic: Peacemaker
  2. Old Slavic: Demands peace

First name variations: Casimeer, Casmire, Casimiro, Casmir, Caz, Kasimir, Kasimiro, Kazimierz, Kazimir, Cace, Cacey, Casey, Cayce, Caycey, Kasey, Casimer, Casmir, Kazimir, Kasimir

Last name origin & meaning:

French and Dutch: from the personal name Casimir, a name of Slavic origin meaning ‘destroyer of peace’. Compare Polish Kazmierczak.