Katelynn
Primarily a girl's name of Irish origin with 30,615 recorded births. Also given to 11 boys.
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
Popularity Over Time
Katelynn was #255 twenty years ago and has since drifted to #2287, but its charm endures.
Popularity by Decade
| Decade | Births | Avg Rank | Trend |
|---|---|---|---|
| 2020s | 470 | #2148 | ▼ |
| 2010s | 5,012 | #765 | ▼ |
| 2000s | 12,198 | #270 | ▲ |
| 1990s | 11,306 | #264 | ▲ |
| 1980s | 1,624 | #2887 | ▲ |
| 1970s | 5 | #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, 1979–2024)
| Year | Births | Rank |
|---|---|---|
| 2024 | 81 | #2287 |
| 2023 | 70 | #2533 |
| 2022 | 71 | #2516 |
| 2021 | 102 | #1933 |
| 2020 | 146 | #1470 |
| 2019 | 182 | #1277 |
| 2018 | 188 | #1240 |
| 2017 | 188 | #1260 |
| 2016 | 249 | #1050 |
| 2015 | 440 | #653 |
| 2014 | 542 | #566 |
| 2013 | 619 | #487 |
| 2012 | 737 | #427 |
| 2011 | 839 | #380 |
| 2010 | 1,028 | #312 |
| 2009 | 1,030 | #317 |
| 2008 | 1,138 | #293 |
| 2007 | 1,206 | #283 |
| 2006 | 1,217 | #273 |
| 2005 | 1,113 | #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.
Frequently Asked Questions
Is Katelynn a boy's or girl's name?
When was Katelynn most popular?
How popular is the name Katelynn?
Can Katelynn be used for both boys and girls?
Explore More
Data source: U.S. Social Security Administration, 1979–2024