The first name Kaitlyn
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, 23 girls were named Kaitlyn, making it the 1,362nd most popular girls’ name. It peaked in 2006, with 400 births (#139).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Kaitlyn with other names.
Popularity in the United States
Babies named Kaitlyn at birth, 1880–2025
In 2025, 340 girls born in the United States were named Kaitlyn, the 802nd most popular girls’ name that year. It was used most in 2000, when 8,759 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.
Nicknames and spellings
Nicknames for Kaitlyn
- Kait
Famous people named Kaitlyn
10 on Wikidata, most written-about first
- Kaitlyn DeverAmerican actress (born 1996)
- Kaitlyn MaherAmerican actress, born 2004
- Kaitlyn AshleyAmerican pornographic actress, born 1971
- Kaitlyn LawesCanadian curler, born 1988
- Kaitlyn FarringtonAmerican snowboarder and gold medalist, born 1989
- Kaitlyn WeaverAmerican-Canadian ice dancer, born 1989
- Kaitlyn BlackAmerican actress, born 1983
- Kaitlyn Santa JuanaActress, born 1996
- Kaitlyn DiasAmerican actress and voice artist, born 1999
- AmouranthAmerican live streamer and businesswoman (born 1993)
More Irish girls’ names
Questions
- What is the origin of the name Kaitlyn?
- Kaitlyn comes from Irish.
- How popular is the name Kaitlyn?
- In 2025, 23 girls born in England and Wales were named Kaitlyn, ranking 1,362nd. Its peak was 2006, with 400 births.
- What are nicknames for Kaitlyn?
- Common nicknames for Kaitlyn include Kait.
- Is Kaitlyn a boy's or a girl's name?
- Mostly a girl's name: 100% of the 166,921 US babies named Kaitlyn since 1880 were girls.
- When was Kaitlyn most popular?
- 2000 in the United States, when 8,759 babies were named Kaitlyn, its highest rank at 30th.
- What name is Kaitlyn a form of?
- Kaitlyn is a form of Caitlin.