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Katelynn

Girl name · Celtic · English · Gaelic · Irish

Meaningpure · English form of Katherine

US rank
#2,719
Syllables
3
Peak
#210 in 1998

63 babies were named Katelynn in the US in 2025. It has dropped 1,251 places in five years.

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US births per million girls, 1979–2025

0450900197920002025

Most popular states (2025)

MO rank #811

Similar names

Popularity: U.S. Social Security Administration (babies with 5+ births per year).

Did you know?

A few things about Katelynn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.

  • How commonAbout 1 in every 25,510 baby girls born in the US in 2025 was named Katelynn, 63 babies in all. In a typical school of 500 kids, your Katelynn would very likely be the only one.
  • HistoryKatelynn first shows up in US birth records in 1979, the first year at least 5 babies got it. It has been in use for 46 years since.
  • Best yearIt was far more popular in 1998, when it ranked #210. Today it's #2,719, so it could be due a comeback.
  • Then vs nowKatelynn was 19× more common in 2000 than it is today. In 2000 it was given to about 1 in 1,308 baby girls; in 2025, about 1 in 25,510.
  • TrendKatelynn has slipped 1,251 places over the last five years and now sits at #2,719. Good news if you want a familiar name that fewer kids will share.
  • Where it's lovedKatelynn is most popular in Missouri, where it ranks #811. It's in the top 1,000 in 1 state.
  • MeaningKatelynn is an English form of Katherine, which means “pure”. Our records link it to Celtic, English and Gaelic roots.

About the name Katelynn

Katelynn is a girl name of Celtic, English and Gaelic origin meaning “pure”. It has 8 letters and 3 syllables, starting with K and ending in “-ynn”. US birth records list Katelynn for girls from 1979 to 2025, in 47 of those 47 years. Its best year was 1998, when it ranked #210 among girl names. In 2025 it ranked #2,719, with 63 babies.

Origin:Celtic namesEnglish namesGaelic namesIrish names

Katelynn for girls, by decade
DecadeBabies per millionAbout 1 in
1970s3.1322,581 girls
1980s9110,930 girls
1990s6321,583 girls
2000s6611,513 girls
2010s2853,515 girls
2020s5518,259 girls

More Celtic girl names

Questions about the name Katelynn

What does the name Katelynn mean?

Katelynn means “pure” in English, as a form of Katherine.

What is the origin of the name Katelynn?

Katelynn has Celtic, English, Gaelic, Irish roots in our records. Other Celtic names include Evelyn, Isla, Riley.

Is Katelynn a boy or girl name?

Katelynn is a girl name.

How popular is the name Katelynn?

Katelynn ranked #2,719 for US girls in 2025, given to 63 babies. Its best year was 1998 (#210).