The first name Caitlyn
A girl’s name from Irish.
2 syllables Female
Meaning and origin
Irish origin
A female given name from Irish, one of the modern spelling variants of Caitlin.
A form of Caitlin.
From Wiktionary (CC BY-SA 4.0).
Popularity
Babies registered in England and Wales, 1996–2025
In 2025, 24 girls were named Caitlyn, making it the 1,315th most popular girls’ name. It peaked in 2005, with 353 births (#144).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Caitlyn with other names.
Popularity in the United States
Babies named Caitlyn at birth, 1880–2025
In 2025, 71 girls born in the United States were named Caitlyn, the 2,492nd most popular girls’ name that year. It was used most in 1998, when 2,937 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 Caitlyn
2 on Wikidata, most written-about first
- Caitlyn JennerAmerican media personality and retired decathlete, born 1949
- Caitlyn Taylor LoveAmerican actress and singer, born 1994
More Irish girls’ names
Questions
- What is the origin of the name Caitlyn?
- Caitlyn comes from Irish.
- How popular is the name Caitlyn?
- In 2025, 24 girls born in England and Wales were named Caitlyn, ranking 1,315th. Its peak was 2005, with 353 births.
- Is Caitlyn a boy's or a girl's name?
- Mostly a girl's name: 100% of the 52,637 US babies named Caitlyn since 1880 were girls.
- When was Caitlyn most popular?
- 1998 in the United States, when 2,937 babies were named Caitlyn, its highest rank at 115th.
- What name is Caitlyn a form of?
- Caitlyn is a form of Caitlin.