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

The baby name Kayce sounds like Kayse, Kaycie, Kayci, Kaycey, Kaycee, Kace and Cayce. Other similar baby names are Kayde, Kaye and Kayle.