Kaylyn Girl
How popular is Kaylyn?
#2,514 girl name in 2025
70 baby girls were named Kaylyn in the US in 2025, making it the 2514th most popular girl name.
Kaylyn popularity over time
Boys Girls
| Rank in 2025 | #2,514 for girls (▲ 343 from 2024) |
|---|---|
| Babies in 2025 | 70 girls |
| 10-year trend | Falling fast (-64% babies vs 2015) |
| Earlier ranks | #1,266 in 2015, #2,376 in 2020 |
| Peak year | 1997 (462 girls) |
| Highest rank | #518 in 1997 |
| First recorded | 1949 |
| Boys vs girls (last 10 years) | 1% boys, 99% girls |
| Chance a classmate shares it | 0.1% in a class of 25 kids born in 2025 |
Kaylyn counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Kaylin family of names ranked #373 for girls in 2025 (#335 the year before), with 849 babies in all.
| Spelling | Girls in 2025 | Share |
|---|---|---|
| Kaylin | 126 | 15% |
| Kailyn | 110 | 13% |
| Kaylynn | 134 | 16% |
| Kailynn | 78 | 9% |
| Kaylen | 61 | 7% |
| Kaylyn | 70 | 8% |
| Cailyn | 40 | 5% |
| Kaylene | 37 | 4% |
| Kalynn | 15 | 2% |
| Cailynn | 17 | 2% |
| Kahlan | 10 | 1% |
| Kalyn | 19 | 2% |
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 Kaylyn is most popular
Babies named Kaylyn per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- Arkansas: 0.1 per 1,000 (5 girls)
- Georgia: 0.1 per 1,000 (12 girls)
- New York: 0.0 per 1,000 (17 girls)
- Indiana: 0.0 per 1,000 (5 girls)
- Washington: 0.0 per 1,000 (5 girls)
Kaylyn by decade
| Decade | Baby girls | Best rank |
|---|---|---|
| 1940s | 5 | #5,243 |
| 1950s | 35 | #4,299 |
| 1960s | 131 | #2,789 |
| 1970s | 125 | #4,040 |
| 1980s | 941 | #747 |
| 1990s | 4,039 | #518 |
| 2000s | 4,178 | #589 |
| 2010s | 2,153 | #769 |
| 2020s | 446 | #1,991 |
Girl names about as popular as Kaylyn
Questions
- Is Kaylyn a boy or girl name?
- Kaylyn is mostly a girl name. Over the last 10 years, 99% of babies named Kaylyn were girls.
- How popular is the name Kaylyn?
- 70 baby girls were named Kaylyn in the US in 2025, making it the 2514th most popular girl name.
- When was Kaylyn most popular?
- Kaylyn peaked in 1997, when 462 girls were given the name. Its highest rank was #518 in 1997.
- How many people are named Kaylyn?
- 12,091 babies have been named Kaylyn in the US since 1880. We estimate about 11,921 of them are alive in 2026, with a median age of 25.
- Where is Kaylyn most popular?
- From 2021 to 2025, Kaylyn was most common in Arkansas, 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.