Kailynn Girl
How popular is Kailynn?
#2,326 girl name in 2025
78 baby girls were named Kailynn in the US in 2025, making it the 2326th most popular girl name.
Kailynn popularity over time
Boys Girls
| Rank in 2025 | #2,326 for girls (▼ 286 from 2024) |
|---|---|
| Babies in 2025 | 78 girls |
| 10-year trend | Falling fast (-65% babies vs 2015) |
| Earlier ranks | #1,126 in 2015, #1,616 in 2020 |
| Peak year | 2011 (290 girls) |
| Highest rank | #898 in 2011 |
| First recorded | 1985 |
| 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 |
Kailynn 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 Kailynn is most popular
Babies named Kailynn per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- South Carolina: 0.1 per 1,000 (13 girls)
- Georgia: 0.1 per 1,000 (31 girls)
- Michigan: 0.1 per 1,000 (20 girls)
- Florida: 0.1 per 1,000 (42 girls)
- North Carolina: 0.1 per 1,000 (21 girls)
Kailynn by decade
Girl names about as popular as Kailynn
Questions
- Is Kailynn a boy or girl name?
- Kailynn is mostly a girl name. Over the last 10 years, 99% of babies named Kailynn were girls.
- How popular is the name Kailynn?
- 78 baby girls were named Kailynn in the US in 2025, making it the 2326th most popular girl name.
- When was Kailynn most popular?
- Kailynn peaked in 2011, when 290 girls were given the name. Its highest rank was #898 in 2011.
- How many people are named Kailynn?
- 4,747 babies have been named Kailynn in the US since 1880. We estimate about 4,711 of them are alive in 2026, with a median age of 15.
- Where is Kailynn most popular?
- From 2021 to 2025, Kailynn was most common in South Carolina, 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.