Katelyn Girl
How popular is Katelyn?
#1,076 girl name in 2025
225 baby girls were named Katelyn in the US in 2025, making it the 1076th most popular girl name.
Katelyn popularity over time
Boys Girls
| Rank in 2025 | #1,076 for girls (▼ 150 from 2024) |
|---|---|
| Babies in 2025 | 225 girls |
| 10-year trend | Falling fast (-84% babies vs 2015) |
| Earlier ranks | #239 in 2015, #676 in 2020 |
| Peak year | 1993 (5,975 girls) |
| Highest rank | #52 in 2001 |
| First recorded | 1970 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.2% in a class of 25 kids born in 2025 |
Katelyn counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Kaitlyn family of names ranked #361 for girls in 2025 (#294 the year before), with 882 babies in all.
| Spelling | Girls in 2025 | Share |
|---|---|---|
| Kaitlyn | 340 | 39% |
| Katelyn | 225 | 26% |
| Caitlyn | 71 | 8% |
| Katelynn | 63 | 7% |
| Caitlin | 78 | 9% |
| Kaitlynn | 41 | 5% |
| Kaitlin | 35 | 4% |
| Caitlynn | 11 | 1% |
| Katlyn | 12 | 1% |
| Kaytlyn | 6 | 1% |
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Katelyn is most popular
Babies named Katelyn per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- Utah: 0.4 per 1,000 (34 girls)
- Pennsylvania: 0.4 per 1,000 (83 girls)
- Indiana: 0.3 per 1,000 (47 girls)
- Ohio: 0.3 per 1,000 (75 girls)
- Alabama: 0.3 per 1,000 (27 girls)
Katelyn by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1970s | 183 | #1,731 |
| 1980s | 14,775 | #76 |
| 1990s | 52,811 | #54 |
| 2000s | 47,840 | #52 |
| 2010s | 16,509 | #103 |
| 2020s | 1,931 | #676 |
Girl names about as popular as Katelyn
Questions
- Is Katelyn a boy or girl name?
- Katelyn is mostly a girl name. Over the last 10 years, 100% of babies named Katelyn were girls.
- How popular is the name Katelyn?
- 225 baby girls were named Katelyn in the US in 2025, making it the 1076th most popular girl name.
- When was Katelyn most popular?
- Katelyn peaked in 1993, when 5,975 girls were given the name. Its highest rank was #52 in 2001.
- How many people are named Katelyn?
- 134,206 babies have been named Katelyn in the US since 1880. We estimate about 132,406 of them are alive in 2026, with a median age of 27.
- Where is Katelyn most popular?
- From 2021 to 2025, Katelyn was most common in Utah, at 0.4 of every 1,000 girls born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.