Cayce \ca(y)-ce\ as a girl's name (also used as boy's name Cayce), is a variant of Casey (Irish, Gaelic), and the meaning of Cayce is "alert, watchful".

The baby name Cayce sounds like Kayce, Cayse, Caycie, Cayci, Caycey and Caycee. Other similar baby names are Caye, Gayle, Cacie, Kayde, Cadie, Cadee, Cade, Calie, Calee, Dace, Carie, Caree, Kayse, Kaycie, Kayci, Kaycey, Kaycee, Kace, Caysie, Caysi, Caysey, Caysee, Casse, Casie, Casee, Cascy, Cacy, Caci, Cacey, Kaye, Cay, Catie, Cathe, Cate, Cayla, Caylie, Cayley, Caylee, Gaye, Grayce, Jaycie, Jaycee, Joyce, Loyce, Catee, Kayle, Laycie, Lace, Royce and Tace.