The first name Kelly
A unisex name from Irish.
Pronounced /ˈkɛli/ 2 syllables Unisex Also a surname
Meaning and origin
Irish origin
Borrowed from Irish Ó Ceallaigh. Doublet of Kellogg and Callahan.
From Wiktionary (CC BY-SA 4.0).
Popularity
Babies registered in England and Wales, 1996–2025
In 2025, 14 girls were named Kelly, making it the 2,006th most popular girls’ name. It peaked in 1996, with 789 births (#74).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Kelly with other names.
Popularity in the United States
Babies named Kelly at birth, 1880–2025
In 2025, 319 girls born in the United States were named Kelly, the 852nd most popular girls’ name that year. It was used most in 1977, when 18,234 were.
US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.
Kelly in other languages
Equivalent forms of the name, from Wiktionary
Spelled Kelly in French too.
Nicknames and spellings
Famous people named Kelly
116 on Wikidata, most written-about first
- Kelly ClarksonAmerican singer-songwriter (born 1982)
- Kelly PrestonAmerican actress (1962–2020)
- Kelly BrookBritish actress and model, born 1979
- Kelly HuAmerican actress, born 1968
- Kelly OsbourneBritish singer and actress, born 1984
- Kelly McGillisAmerican actress, born 1957
- Kelly HolmesBritish middle distance athlete and Olympic gold medallist, born 1970
- Kelly Marie TranAmerican actress (born 1989)
- Kelly RutherfordAmerican actress, born 1968
- Kelly Le BrockAmerican actress and model, born 1960
- Kelly ReillyBritish actress, born 1977
- Kelly LynchAmerican actress, born 1959
More Irish unisex names
Questions
- What does the name Kelly mean?
- Borrowed from Irish Ó Ceallaigh. Doublet of Kellogg and Callahan.
- What is the origin of the name Kelly?
- Borrowed from Irish Ó Ceallaigh. Doublet of Kellogg and Callahan.
- How popular is the name Kelly?
- In 2025, 14 girls born in England and Wales were named Kelly, ranking 2,006th. Its peak was 1996, with 789 births.
- Is Kelly a boy's or a girl's name?
- Both. Of the 556,365 US babies named Kelly since 1880, 85% were girls and 15% boys.
- When was Kelly most popular?
- 1977 in the United States, when 18,234 babies were named Kelly, its highest rank at 10th.
- How do you pronounce Kelly?
- Kelly is /ˈkɛli/, 2 syllables.
- What are other spellings of Kelly?
- Kelley, Kelli, Kellie and Kelleigh.
- Is Kelly also a surname?
- Yes. Kelly is used as a surname as well as a first name; its surname page has the origin and how many people carry it.