Caitlyn Girl
How popular is Caitlyn?
#2,485 girl name in 2025
71 baby girls were named Caitlyn in the US in 2025, making it the 2485th most popular girl name.
Caitlyn popularity over time
Boys Girls
| Rank in 2025 | #2,485 for girls (▼ 138 from 2024) |
|---|---|
| Babies in 2025 | 71 girls |
| 10-year trend | Falling fast (-86% babies vs 2015) |
| Earlier ranks | #598 in 2015, #1,632 in 2020 |
| Peak year | 1998 (2,937 girls) |
| Highest rank | #115 in 1998 |
| First recorded | 1968 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Caitlyn 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 Caitlyn is most popular
Babies named Caitlyn per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- Mississippi: 0.1 per 1,000 (5 girls)
- Arkansas: 0.1 per 1,000 (5 girls)
- Texas: 0.1 per 1,000 (63 girls)
- Alabama: 0.1 per 1,000 (7 girls)
- Florida: 0.1 per 1,000 (27 girls)
Caitlyn by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1960s | 5 | #7,014 |
| 1970s | 71 | #4,051 |
| 1980s | 4,473 | #221 |
| 1990s | 21,991 | #115 |
| 2000s | 19,782 | #118 |
| 2010s | 5,652 | #302 |
| 2020s | 629 | #1,632 |
Girl names about as popular as Caitlyn
Questions
- Is Caitlyn a boy or girl name?
- Caitlyn is mostly a girl name. Over the last 10 years, 100% of babies named Caitlyn were girls.
- How popular is the name Caitlyn?
- 71 baby girls were named Caitlyn in the US in 2025, making it the 2485th most popular girl name.
- When was Caitlyn most popular?
- Caitlyn peaked in 1998, when 2,937 girls were given the name. Its highest rank was #115 in 1998.
- How many people are named Caitlyn?
- 52,637 babies have been named Caitlyn in the US since 1880. We estimate about 51,944 of them are alive in 2026, with a median age of 27.
- Where is Caitlyn most popular?
- From 2021 to 2025, Caitlyn 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.