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

The baby name Kaysie sounds like Kaysi, Kaysee, Kayse, Kaycie, Kasie, Caysie and Kassie. Other similar baby names are Kaylie, Kasi, Kacie, Cassie, Taisie, Kayde, Kadie, Kallie, Karrie, Kaysyee, Kaysy, Kaysey, Kayci, Kaycee, Kayce, Kasee, Kaissie, Caysi, Caysee, Cayse, Caycie, Casie, Caisie, Kassi, Kasse, Kaye, Katie, Kathie, Kassia, Kasia, Kaitie, Kaylee, Kailie, Caylie, Daysi, Dasie, Daisie, Jaycie, Kayllie, Kalie, Kammie, Karie, Kaydi, Kaydee, Kayle, Kayli, Kaelie, Keylie, Kelsie, Kissie, Kessie, Kylie, Kinsie, Kyrie, Laycie, Lassie, Maisie, Tayzie and Tassie.