Katy is a feminine given name and a variant spelling of Katie and Katey. It functions as a diminutive of Kate, itself a short form of Katherine. While sharing pronunciation and origin with better-known forms like Katie, Katy stands as a distinct spelling with its own history of usage, particularly in English-speaking countries. The name Katherine, from which Katy ultimately derives, has a rich and debated etymology. It likely originates from the Greek name Αἰκατερίνη (Aikaterine), possibly related to ἑκάτερος (hekateros) meaning "each of the two" or the goddess Hecate. Early Christian association with the Greek word καθαρός (katharos) meaning "pure" led to the Latin spelling Katharina. The name's popularity spread through the veneration of Saint Catherine of Alexandria, a 4th-century martyr tortured on a spiked wheel, whose cult was introduced to Western Europe by returning crusaders. Variant forms like Katherine and Catherine became common in England from the 12th century onward, with later notable bearers including queens such as Catherine of Aragon and empresses like Catherine the Great of Russia. Katy as a specific spelling gained prominence as a given name in its own right, separate from Katie. Notable bearers include the British singer Katy B (born Kathleen Brien), the American writer Katy Butler, and the British teacher and author Katy Ashworth, among many others featured on Wikipedia stating: "Katy is a feminine given name. It is a variant spelling of Katie and Katey." The name has also been borne by actresses such as Katy Boyer, politicians like Katy Bourne, and journalists including Katy Balls. Notable Bearers Katy B (born 1989), British singer-songwriter known for electronic and R&B music Katy Abbott (born 1971), Australian composer Katy Barnett, Australian legal academic and author Katy Brand (born 1979), English actress and comedian Katy Clough, British astrophysicist Related Forms Variants of Katy include Katie, Katey, Kaety, and Katee. International cognates of the root Katherine are numerous, such as Russian Katerina, Ancient Greek Aikaterine, Hungarian Katalin, Korean and many more, while modern derivatives range from Kasia in Polish to Catrin in Welsh. Meaning: Pure (via association with katharos) Origin: English diminutive of Katherine, from Greek Aikaterine Type: Given name Usage regions: English-speaking countries