Pure; rejoice
Kay originated as a short form of Katherine, meaning pure, but also has roots as a diminutive of names like Kaisa or as a standalone name derived from the Latin 'Gaius', meaning to rejoice. It was highly popular in the mid-20th century and is now considered a sleek, vintage choice.
About 37 girls were named Kay in 2025.
Author of the 'Eloise' book series
The wife of Michael Corleone · The Godfather
American actress and zoologist
Former United States Senator from Texas
English actress and comedian
American novelist and political activist
US births per 5-year period, 1990–present (SSA data).
The same feel as Kay — far less common.
Hidden gems that stand out.
