Kelly
Kelly is a girl name of Irish origin meaning “Bright-headed, warrior”, pronounced KEL-ee. It ranked #852 in the United States in 2025, given to 319 babies, and peaked at #10 in 1977. Common nicknames: Kel, Kells.
How popular is Kelly in the United States?
Data: U.S. Social Security Administration (SSA). Based on all Social Security card applications for births in the United States.
What does Kelly mean, and where does it come from?
Kelly anglicises the Irish surname Ó Ceallaigh, usually read from ceallach — "bright-headed," or in another reading "war" or "strife." It is among the most common surnames in Ireland and became an American given name for both sexes, then overwhelmingly for girls, reaching tenth place in 1977. That peak has made it a generational marker in the way Heather and Tracy are. It has declined steadily since while remaining instantly familiar, and it is still used for boys in Ireland.
How is Kelly used around the world?
Kelly is used in 1 languages worldwide, with 2+ international variants.
TypeUnisex name
Linguistic data: Wikidata (CC0). Variants and language usage may vary by region.
What are the nicknames for Kelly?
Famous People Named Kelly
- Kelly Clarkson — American singer and television host
- Kelly Macdonald — Scottish actress
- Kelly Holmes — British middle-distance runner and double Olympic champion
Similar Names to Kelly
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Sibling Name Ideas for Kelly
Looking for names that pair well with Kelly? Here are some sibling name suggestions that share a similar style and feel.
Frequently Asked Questions
What does the name Kelly mean?
Kelly is a girl name of Irish origin meaning "Bright-headed, warrior." Kelly anglicises the Irish surname Ó Ceallaigh, usually read from ceallach — "bright-headed," or in another reading "war" or "strife." It is among the most common surnames in Ireland and became an American given name for both sexes, then overwhelmingly for girls, reaching tenth place in 1977.
How do you pronounce Kelly?
Kelly is pronounced KEL-ee. Common variations include Kellie, Kelley, Kelli.
Is Kelly a girl name?
Yes, Kelly is traditionally a girl name. Popular nicknames include Kel, Kells.