67%RatingSave Gender Masculine Usage English (Modern) Pronounced Pron. KAYS [key·IPA] Meaning & HistoryExpand Links Short form of Casey. Related NamesFamily Tree·Details VariantKayceFeminine FormsKacey, Kacie, Kaycee PopularityDetails Last ranked #645 in 2022 United States Categories diminutives, isograms, Joni Mitchell songs, modern English, Prince songs, Ratched characters, short forms, surnames, Tori Amos songs