Updated June 9, 2019 Share: Girl name origins & meanings Irish : Vigilant, watchful Girl name variations Casey Cacey Cacia Cacie Caisee Caisi Caisie Casee Casi Casie Caycee Caycey Cayci Caycie Caysee Caysey Caysi Kaysey Kaysi Kaysie Kaysy Kaysyee How Popular Is The Name Caisey