Cailynn Girl
How popular is Cailynn?
#6,545 girl name in 2025
17 baby girls were named Cailynn in the US in 2025, making it the 6545th most popular girl name.
Cailynn popularity over time
| Rank in 2025 | #6,545 for girls (▼ 1527 from 2024) |
|---|---|
| Babies in 2025 | 17 girls |
| 10-year trend | Falling fast (-71% babies vs 2015) |
| Earlier ranks | #2,964 in 2015, #4,878 in 2020 |
| Peak year | 2009 (68 girls) |
| Highest rank | #2,625 in 2013 |
| First recorded | 1990 |
| Boys vs girls (last 10 years) | 0% boys, 100% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Cailynn 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 Cailynn is most popular
Babies named Cailynn per 1,000 girls born in each state, 2021 to 2025. Darker means more common.
- Florida: 0.0 per 1,000 (6 girls)
Cailynn by decade
Girl names about as popular as Cailynn
Questions
- Is Cailynn a boy or girl name?
- Cailynn is mostly a girl name. Over the last 10 years, 100% of babies named Cailynn were girls.
- How popular is the name Cailynn?
- 17 baby girls were named Cailynn in the US in 2025, making it the 6545th most popular girl name.
- When was Cailynn most popular?
- Cailynn peaked in 2009, when 68 girls were given the name. Its highest rank was #2,625 in 2013.
- How many people are named Cailynn?
- 1,183 babies have been named Cailynn in the US since 1880. We estimate about 1,174 of them are alive in 2026, with a median age of 15.
- Where is Cailynn most popular?
- From 2021 to 2025, Cailynn was most common in Florida, at 0.0 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.