Kay.
A surname from Middle English, derived from several Old and Middle English words; also adopted by immigrants whose surnames began with a K.
Meaning & usage
A surname from Middle English, derived from several Old and Middle English words; also adopted by immigrants whose surnames began with a K.
A male given name from Welsh, derived from the surnames, or from a rare medieval given name (as the Sir Kay of Arthurian legend), Welsh Cai, Latinized as Caius, related to the modern male name Kai.
A female given name, a short form of Katherine and other female names beginning with a "K"; popular as a middle name.
Alternative letter-case form of kay.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.