Girl name origins & meanings Irish : VigilantAfrican : Favorite; Variation of CaseyIrish : Vigilant, watchful Girl name variations Cace Cacee Cacia Cacie Cacy Casee Kacey Kaci Kacie Kacy Kasey Kasie Kassie Kaycee Kecia Keesha Keisha Kesha Keshia Kesia Kisha Kizzy Casey Caisee Caisey Caisi Caisie Casi Casie Caycee Caycey Cayci Caycie Caysee Caysey Caysi Kaysey Kaysi Kaysie Kaysy Kaysyee Boy name origins & meanings Slavic : Peacemaker Boy name variations Casimir Casimeer Casmire Casimiro Casmir Caz Kasimir Kasimiro Kazimierz Kazimir Cace Casey Cayce Caycey Kasey Casimer