Katilyn Girl
How popular is Katilyn?
Peaked in 1998
No babies were recorded with the name Katilyn in 2025. It was most used in 1998, when 101 girls got the name.
1,714living people named Katilyn (est.)
27median age of people named Katilyn
1,738babies named Katilyn since 1880
Katilyn popularity over time
| Rank in 2025 | Not ranked |
|---|---|
| Babies in 2025 | 0 girls |
| 10-year trend | Falling fast (-100% babies vs 2015) |
| Peak year | 1998 (101 girls) |
| Highest rank | #1,546 in 1995 |
| First recorded | 1980 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
Katilyn 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.
Katilyn by decade
Questions
- Is Katilyn a boy or girl name?
- Katilyn is mostly a girl name. Over the last 10 years, 100% of babies named Katilyn were girls.
- How popular is the name Katilyn?
- No babies were recorded with the name Katilyn in 2025. It was most used in 1998, when 101 girls got the name.
- When was Katilyn most popular?
- Katilyn peaked in 1998, when 101 girls were given the name. Its highest rank was #1,546 in 1995.
- How many people are named Katilyn?
- 1,738 babies have been named Katilyn in the US since 1880. We estimate about 1,714 of them are alive in 2026, with a median age of 27.
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.