Kailey
How to say it: KAY-lee · /ˈkeɪli/
Variant of Kaylee/Kayleigh; from Irish 'caol' meaning 'slender' combined with Old English 'leah' meaning 'clearing'.
Kailey was the 127th most popular girls’ name in the United States in 2025, given to 153 babies (Social Security Administration). Its busiest decade was the 2000s, its births are down about 64% in ten years, and it is projected to slip to #215 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among girls’ names, 2025 | #127 |
|---|---|
| Babies born in 2025 | 153 |
| Share of births | 1 in 1,306 |
| Peak decade | 2000s |
| Change over 10 years | −64% |
| Projected rank for 2030 (estimate) | #215 |
| In France, 2025 | #323 among girls’ names, 0 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Most of Kailey’s story belongs to recent decades, with a high in the 2000s. Far below that crest today, it is likely to drift lower.
What goes with it
Light and gentle, its two syllables mix softness with crisp edges. Rylee makes a close companion.
Nicknames
- Kai
- Kail
Honouring a Kailey in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Kailey is about 1 in 55.
Around the world
This spelling is used in English, Irish.
In France: #323 for girls in 2025.
Famous people named Kailey
- Kailey Allan (born 2003)Canadian luger
From Wikidata and Wikipedia
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