Katlynn Girl
How popular is Katlynn?
Peaked in 1999
No babies were recorded with the name Katlynn in 2025. It was most used in 1999, when 268 girls got the name.
3,922living people named Katlynn (est.)
28median age of people named Katlynn
3,975babies named Katlynn since 1880
Katlynn popularity over time
| Rank in 2025 | Not ranked |
|---|---|
| Babies in 2025 | 0 girls |
| 10-year trend | Falling fast (-100% babies vs 2015) |
| Peak year | 1999 (268 girls) |
| Highest rank | #800 in 1998 |
| First recorded | 1984 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
Katlynn 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.
Katlynn by decade
Questions
- Is Katlynn a boy or girl name?
- Katlynn is mostly a girl name. Over the last 10 years, 100% of babies named Katlynn were girls.
- How popular is the name Katlynn?
- No babies were recorded with the name Katlynn in 2025. It was most used in 1999, when 268 girls got the name.
- When was Katlynn most popular?
- Katlynn peaked in 1999, when 268 girls were given the name. Its highest rank was #800 in 1998.
- How many people are named Katlynn?
- 3,975 babies have been named Katlynn in the US since 1880. We estimate about 3,922 of them are alive in 2026, with a median age of 28.
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.