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Kay meaning, boyKay (boy)

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pinWhat does Kay mean?

Kay /kay/ as a boys' name (also used as girls' name Kay) is of Latin and Old Welsh origin, and the meaning of Kay is "happy, rejoicing".

From Gaius. Ancient name borne, in legend, by a knight of the Round Table. Now more common as a woman's name.


Kay has 2 variants: Kai and Keh.

Related boy names: Keyes and Caius.

Kay has 6 more alternative forms via Gaius: Cai, Caio, Kaye, Keye, Keyes and Keys.

Kay has 3 feminine forms: Jay, Kai and Kaylee.

Kreatif forms: Kakay, Kayka, Kayly. [more]

pinHow popular is Kay?

Kay is an unusual given name for males but a very prominent last name for both adults and children (#1402 out of 150436, Top 1%). (2000 U.S. Census)

Displayed below is the baby name popularity of Kay for boys. Kay was first listed in 1920-1929 and reached its peak position of #572 in the U.S. during 1930-1939, but is not listed at the moment. (Top 1000 Baby Names Records, 2014)

Top 1000 baby names ranking of Kay name in U.S.

Top 100 baby names ranking of Kay outside U.S.

Kai (#177 2 years ago) is the only other popular varying form of Kay. Other forms, like Caio, are uncommon. These relations of Kay are at the peak of their popularity today (usage of 0.4115%). Kai is a constant favorite, and Kay is now less popular. Below is a charted analysis of the usage of Kay and affiliated names. (Top 1000 Baby Names Records, 2014)

Top 1000 baby names ranking of Kay, Kai in U.S.

Top 100 baby names ranking of Kai outside U.S.

pinSimilar Names

Kay is alike in pronunciation to Caw, Cayo, Coy, Key, Koa and Kye. Other suggested similar baby names are Bay, Day, Fay, Gay, Jay, KC, Kacy, Kaj, Kam, Kaz, Klay, Ray, Tay and Way. These names tend to be more frequently used than Kay.