NamesPop

Katelynn

Primarily a girl's name of Irish origin with 30,615 recorded births. Also given to 11 boys.

Girl's nameAlso boy's#2287 in 2024Declining

Meaning & Origin

A female given name from Irish, one of the modern spelling variants of Caitlin.

Katelynn is a girl's and boy's baby name of Irish origin, a modern compound spelling of Kate (Greek, 'pure') and Lynn (Welsh, 'lake'), or a variant of Caitlin, the Irish form of Catherine. The -lynn ending softens the name with a gentle, flowing quality.

EtymologyShow more

Phonetically, Katelynn belongs to a cluster of names characterized by their smooth, flowing ending — a popular compound ending in American feminine naming. At three syllables, it has a three-beat flow that carries a sense of formality and completeness.

Within the Irish naming tradition, names with similar sound structures often share underlying etymological patterns. Exploring Irish names on this site may surface connections that illuminate Katelynn’s linguistic neighborhood.

At a Glance

30,615
Total births
Since 1979
1998
Peak
1,457 births
1979
First recorded
46 years of data
Compare Katelynn with another name

Popularity Over Time

Katelynn was #255 twenty years ago and has since drifted to #2287, but its charm endures.

03647291k1k198020002024
First appeared: 1979Peak: 1998 (1,457 births)Current: #2287

Popularity by Decade

Decade-by-decade popularity data for Katelynn
DecadeBirthsAvg RankTrend
2020s470#2148
2010s5,012#765
2000s12,198#270
1990s11,306#264
1980s1,624#2887
1970s5#10929

The Story of Katelynn

A Gen Z name

Peaking in 1998, Katelynn is a name that defines a generation. Girls named Katelynn are most likely born between 1988 and 2008.

How rare is Katelynn?

Only about 1 in every 44,444 babies born in 2024 was named Katelynn — a truly uncommon choice.

The journey through the decades

First appeared in the records in 1979, grew steadily over the decades, peaked in the 2000s with 12,198 births that decade, and has since become a rare, vintage choice.

Katelynn by the numbers

  • More Katelynns than the population of a small U.S. town
  • Would fill 638 school buses
  • Meeting one Katelynn per day would take 83.9 years

Year-by-Year Data

View complete yearly data(46 years, 19792024)
Year-by-year popularity data for the name Katelynn
YearBirthsRank
202481#2287
202370#2533
202271#2516
2021102#1933
2020146#1470
2019182#1277
2018188#1240
2017188#1260
2016249#1050
2015440#653
2014542#566
2013619#487
2012737#427
2011839#380
20101,028#312
20091,030#317
20081,138#293
20071,206#283
20061,217#273
20051,113#294

Source: U.S. Social Security Administration. Showing years with 5+ recorded births.

Katelynn as a Boy's Name

While overwhelmingly a girl's name, Katelynn has also been given to 11 boys in the U.S. since 1989.

Unranked
Current rank
11
Total births
1989
Peak year
Compare Katelynn as girl vs boy

Frequently Asked Questions

Is Katelynn a boy's or girl's name?
Katelynn is primarily a girl's name. It is also used as a boy's name, with 11 recorded births.
When was Katelynn most popular?
Katelynn reached its peak popularity in 1998 with 1,457 births that year. It is currently ranked #2287 in the U.S.
How popular is the name Katelynn?
Katelynn is currently ranked #2287 in the U.S. (2024). It has been given to 30,615 babies since 1979.
Can Katelynn be used for both boys and girls?
Yes, Katelynn is used for both boys and girls. As a girl's name, it currently ranks #2287. As a boy's name, it is not currently in the top rankings.

Explore More

Data source: U.S. Social Security Administration, 19792024