Meaning From Celtic origin meaning 'descendant of Cathasaigh' a variant spelling of the English Casey. Origin of Kaycie Celtic , Irish Popular Middle Names Andrea, Chianne, Jane, LaRae, Leyana, Madison Pronunciation 🔊 Listen Kaycie KAY-see Similar Names Kaycee Cassey Kacie Kasie Kaci Kaylaugh Kacy K.C. Kacee Kaesha Year by Year Popularity of Kaycie