The first name Katelyn
A girl’s name from Irish.
3 syllables Female
Meaning and origin
Irish origin
A female given name from Irish, variant of Caitlin.
A form of Caitlin.
From Wiktionary (CC BY-SA 4.0).
Popularity
Babies registered in England and Wales, 1996–2025
In 2025, 12 girls were named Katelyn, making it the 2,278th most popular girls’ name. It peaked in 2004, with 263 births (#185).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Katelyn with other names.
Popularity in the United States
Babies named Katelyn at birth, 1880–2025
In 2025, 225 girls born in the United States were named Katelyn, the 1,077th most popular girls’ name that year. It was used most in 1993, when 5,975 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.
Famous people named Katelyn
4 on Wikidata, most written-about first
- Katelyn NaconAmerican actress, born 1999
- Katelyn TarverAmerican actress and singer-songwriter, born 1989
- Katelyn OhashiArtistic gymnast, born 1997
- Katelyn RowlandAmerican soccer player, born 1994
More Irish girls’ names
Questions
- What is the origin of the name Katelyn?
- Katelyn comes from Irish.
- How popular is the name Katelyn?
- In 2025, 12 girls born in England and Wales were named Katelyn, ranking 2,278th. Its peak was 2004, with 263 births.
- Is Katelyn a boy's or a girl's name?
- Mostly a girl's name: 100% of the 134,206 US babies named Katelyn since 1880 were girls.
- When was Katelyn most popular?
- 1993 in the United States, when 5,975 babies were named Katelyn, its highest rank at 54th.
- What name is Katelyn a form of?
- Katelyn is a form of Caitlin.