Kaelyn Girl
How popular is Kaelyn?
#1,592 girl name in 2025
131 baby girls were named Kaelyn in the US in 2025, making it the 1592nd most popular girl name.
Kaelyn popularity over time
Boys Girls
| Rank in 2025 | #1,592 for girls (▲ 45 from 2024) |
|---|---|
| Babies in 2025 | 131 girls |
| 10-year trend | Falling fast (-78% babies vs 2015) |
| Earlier ranks | #521 in 2015, #1,105 in 2020 |
| Peak year | 2009 (997 girls) |
| Highest rank | #331 in 2009 |
| First recorded | 1959 |
| 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 |
Kaelyn counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Kaelyn family of names ranked #885 for girls in 2025 (#862 the year before), with 252 babies in all.
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 Kaelyn is most popular
Babies named Kaelyn per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- South Carolina: 0.2 per 1,000 (21 girls)
- Georgia: 0.2 per 1,000 (44 girls)
- Florida: 0.1 per 1,000 (51 girls)
- Texas: 0.1 per 1,000 (85 girls)
- Pennsylvania: 0.1 per 1,000 (24 girls)
Kaelyn by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1950s | 5 | #6,244 |
| 1960s | 25 | #5,007 |
| 1970s | 10 | #8,773 |
| 1980s | 378 | #1,682 |
| 1990s | 2,139 | #666 |
| 2000s | 6,463 | #331 |
| 2010s | 5,597 | #339 |
| 2020s | 949 | #1,105 |
Girl names about as popular as Kaelyn
Questions
- Is Kaelyn a boy or girl name?
- Kaelyn is mostly a girl name. Over the last 10 years, 100% of babies named Kaelyn were girls.
- How popular is the name Kaelyn?
- 131 baby girls were named Kaelyn in the US in 2025, making it the 1592nd most popular girl name.
- When was Kaelyn most popular?
- Kaelyn peaked in 2009, when 997 girls were given the name. Its highest rank was #331 in 2009.
- How many people are named Kaelyn?
- 15,648 babies have been named Kaelyn in the US since 1880. We estimate about 15,505 of them are alive in 2026, with a median age of 18.
- Where is Kaelyn most popular?
- From 2021 to 2025, Kaelyn was most common in South Carolina, at 0.2 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.