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

The baby name Kaysy sounds like Kassy, Kaysi, Kaysey, Kayse and Kasy. Other similar baby names are Kasi, Kasey, Kacey, Cassy, Kayde, Kady, Kally, Kaly, Kaley, Karry, Karys, Kaysyee, Kaysie, Kaysee, Kayci, Kaycey, Kayce, Kacy, Caysi, Caysey, Cayse, Casy, Kassi, Kassey, Kasse, Kaye, Kay, Katy, Kathy, Katey, Kasya, Kass, Kaity, Kayley, Kayla, Krisy, Daisy, Daysi, Kary, Karysa, Kas, Kaydi, Kaya, Kayle, Kayli, Kelsy, Kessy, Maisy and Maysa.