Caysie \ca(y)-sie\ as a girl's name is a variant of Casey (Irish, Gaelic), and the meaning of Caysie is "alert, watchful".

The baby name Caysie sounds like Cassie, Kaysie, Caysi, Caysee, Cayse, Caycie, Casie and Caisie. Other similar baby names are Caylie, Caysha, Casia, Cacie, Taisie, Caidie, Cadie, Caitie, Callie, Calie, Cahlie, Cammie, Carrie, Carie, Kaysi, Kaysee, Kayse, Kaycie, Kasie, Caysey, Cayci, Caycee, Cayce, Cassye, Cassee, Casse, Casi, Casee, Caisi, Caisee, Kassie, Cassi, Cassia, Caye, Catie, Cathie, Caylia, Caylee, Cailie, Cissie, Chassie, Classie, Daysi, Dasie, Daisie, Jaycie, Kaylie, Laycie, Lassie, Maisie, Tayzie and Tassie.