| Name | Meaning | Gender | Origin |
|---|
| Casey | Brave: Vigilant. | Female | Irish |
| Casie | "Same As The Other Casey, Kacee, KC Names I Guess" | Female | American |
| Cassy | Abbreviation Of Cassandra. Unheeded Prophetess. In Homer's The Iliad Cassandra's Prediction Of The Fall Of Troy Was Unheeded. | Female | English |
| Kasey | Vigilant. | Female | Irish |
| Kassi | Contemporary Abbreviation Of Kassandra And Other Names That Being With Kas- | Female | English |
| Kassia | Variant Of Katherine. Pure. | Female | English |
| Kassie | Abbreviation Of Cassandra. Unheeded Prophetess. In Homer's The Iliad Cassandra's Prediction Of The Fall Of Troy Was Unheeded. | Female | English |