Katelynn Girl
How popular is Katelynn?
#2,719 girl name in 2025
63 baby girls were named Katelynn in the US in 2025, making it the 2719th most popular girl name.
Katelynn popularity over time
Boys Girls
| Rank in 2025 | #2,719 for girls (▼ 437 from 2024) |
|---|---|
| Babies in 2025 | 63 girls |
| 10-year trend | Falling fast (-86% babies vs 2015) |
| Earlier ranks | #652 in 2015, #1,468 in 2020 |
| Peak year | 1998 (1,457 girls) |
| Highest rank | #210 in 1998 |
| First recorded | 1979 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Katelynn 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 Katelynn is most popular
Babies named Katelynn per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- Mississippi: 0.1 per 1,000 (7 girls)
- Texas: 0.1 per 1,000 (71 girls)
- Utah: 0.1 per 1,000 (5 girls)
- Missouri: 0.0 per 1,000 (6 girls)
- California: 0.0 per 1,000 (35 girls)
Katelynn by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1970s | 5 | #10,208 |
| 1980s | 1,624 | #448 |
| 1990s | 11,306 | #210 |
| 2000s | 12,199 | #229 |
| 2010s | 5,013 | #312 |
| 2020s | 533 | #1,468 |
Girl names about as popular as Katelynn
Questions
- Is Katelynn a boy or girl name?
- Katelynn is mostly a girl name. Over the last 10 years, 100% of babies named Katelynn were girls.
- How popular is the name Katelynn?
- 63 baby girls were named Katelynn in the US in 2025, making it the 2719th most popular girl name.
- When was Katelynn most popular?
- Katelynn peaked in 1998, when 1,457 girls were given the name. Its highest rank was #210 in 1998.
- How many people are named Katelynn?
- 30,691 babies have been named Katelynn in the US since 1880. We estimate about 30,323 of them are alive in 2026, with a median age of 25.
- Where is Katelynn most popular?
- From 2021 to 2025, Katelynn was most common in Mississippi, at 0.1 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.