Cailynn
- US rank
- #6,546
- Syllables
- 2
- Peak
- #2,626 in 2013
17 babies were named Cailynn in the US in 2025. It has dropped 1,666 places in five years.
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US births per million girls, 1990–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Cailynn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 94,340 baby girls born in the US in 2025 was named Cailynn, 17 babies in all. In a typical school of 500 kids, your Cailynn would very likely be the only one.
- HistoryCailynn first shows up in US birth records in 1990, the first year at least 5 babies got it. It has been in use for 35 years since.
- Best yearIts best year was 2013, when it reached #2,626.
- TrendCailynn has slipped 1,666 places over the last five years and now sits at #6,546. Good news if you want a familiar name that fewer kids will share.
About the name Cailynn
Cailynn is a girl name of American origin. It has 7 letters and 2 syllables, starting with C and ending in “-ynn”. US birth records list Cailynn for girls from 1990 to 2025, in 35 of those 36 years. Its best year was 2013, when it ranked #2,626 among girl names. In 2025 it ranked #6,546, with 17 babies.
Origin:American names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1990s | 6.9 | 144,718 girls |
| 2000s | 21 | 48,123 girls |
| 2010s | 30 | 33,201 girls |
| 2020s | 15 | 67,114 girls |
Other spellings of Cailynn
More American girl names
- Girl name: Lainey · possibly light
- Girl name: Daisy · day's eye
- Girl name: Josie · he will add
- Unisex name: Kinsley · king's meadow
- Girl name: Sienna · from Siena
- Unisex name: Brooklyn · from Brooklyn, New York
- Girl name: Summer · summer
- Unisex name: Stevie · crown
Questions about the name Cailynn
What is the origin of the name Cailynn?
Cailynn has American roots in our records. Other American names include Lainey, Daisy, Josie.
Is Cailynn a boy or girl name?
Cailynn is a girl name.
How popular is the name Cailynn?
Cailynn ranked #6,546 for US girls in 2025, given to 17 babies. Its best year was 2013 (#2,626).