Girl name origins & meanings Slavic : Peacemaker Boy name origins & meanings Slavic : PeacemakerOld Slavic : Demands peace Boy name variations Casimir Casimeer Casmire Casimiro Caz Kasimir Kasimiro Kazimierz Kazimir Cace Cacey Casey Cayce Caycey Kasey Casimer How Popular Is The Name Casmir