Kailynn
- US rank
- #2,326
- Syllables
- 2
- Peak
- #898 in 2011
78 babies were named Kailynn in the US in 2025. It has dropped 710 places in five years.
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US births per million girls, 1985–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Kailynn you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 20,619 baby girls born in the US in 2025 was named Kailynn, 78 babies in all. In a typical school of 500 kids, your Kailynn would very likely be the only one.
- HistoryKailynn first shows up in US birth records in 1985, the first year at least 5 babies got it. It has been in use for 40 years since.
- Best yearIts best year was 2011, when it reached #898.
- TrendKailynn has slipped 710 places over the last five years and now sits at #2,326. Good news if you want a familiar name that fewer kids will share.
About the name Kailynn
Kailynn is a girl name of American and Irish origin. It has 7 letters and 2 syllables, starting with K and ending in “-ynn”. US birth records list Kailynn for girls from 1985 to 2025, in 41 of those 41 years. Its best year was 2011, when it ranked #898 among girl names. In 2025 it ranked #2,326, with 78 babies.
Origin:American namesIrish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1980s | 5.5 | 181,159 girls |
| 1990s | 25 | 40,032 girls |
| 2000s | 80 | 12,557 girls |
| 2010s | 121 | 8,249 girls |
| 2020s | 65 | 15,456 girls |
Other spellings of Kailynn
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 Kailynn
What is the origin of the name Kailynn?
Kailynn has American, Irish roots in our records. Other American names include Lainey, Daisy, Josie.
Is Kailynn a boy or girl name?
Kailynn is a girl name.
How popular is the name Kailynn?
Kailynn ranked #2,326 for US girls in 2025, given to 78 babies. Its best year was 2011 (#898).