The first name Katelynn
A girl’s name from Irish.
3 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
Katelynn last appeared in the official list in 2023, given to 4 girls. It peaked in 2011, with 23 births (#1,327).
Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Katelynn with other names.
Popularity in the United States
Babies named Katelynn at birth, 1880–2025
In 2025, 63 girls born in the United States were named Katelynn, the 2,736th most popular girls’ name that year. It was used most in 1998, when 1,457 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.
More Irish girls’ names
Questions
- What is the origin of the name Katelynn?
- Katelynn comes from Irish.
- How popular is the name Katelynn?
- In 2023, 4 girls born in England and Wales were named Katelynn, ranking 4,709th. Its peak was 2011, with 23 births.
- Is Katelynn a boy's or a girl's name?
- Mostly a girl's name: 100% of the 30,691 US babies named Katelynn since 1880 were girls.
- When was Katelynn most popular?
- 1998 in the United States, when 1,457 babies were named Katelynn, its highest rank at 210th.
- What name is Katelynn a form of?
- Katelynn is a form of Caitlin.