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