Girl · Name family
Kailey
48,627births recorded
12Countries
6Variants
2004Peak · Alberta
#1417United States 2025
Kailey is a girl name family recorded 48,627 times in 12 countries since 1970. It ranks highest today in the United States (#1417 in 2025). Its all-time peak was in Alberta in 2004, at 135.1 births per 100,000. Elsewhere it is mostly given as Kayley (England & Wales, Scotland, Ireland).
Popularity by country
Births per 100,000 newborns, all forms of the name combined.
Which form wins where
Births per 100,000 newborns for each form, in the selected country.
All forms of Kailey
| Variants | Language | Total births | Country | Latest rank | Peak year | 10-year trend |
|---|---|---|---|---|---|---|
| Kailey | English | 27,254 | 🇺🇸 United States | #1417 | 2004 | ▼ 71 % |
| Kailey | English | 1,167 | 🇨🇦 Ontario | #1585 | 2005 | ▼ 82 % |
| Kailey | English | 468 | 🇨🇦 Alberta | – | 2004 | – |
| Kailey | English | 388 | 🇨🇦 British Columbia | – | 2003 | – |
| Kailey | English | 111 | 🏴 England & Wales | – | 2003 | – |
| Kailey | English | 40 | 🇫🇷 France | #2685 | 2025 | new |
| Kayley | English | 8,586 | 🇺🇸 United States | #3389 | 1999 | ▼ 62 % |
| Kayley | English | 1,260 | 🏴 England & Wales | – | 1996 | – |
| Kayley | English | 417 | 🇨🇦 Ontario | – | 2005 | – |
| Kayley | English | 252 | 🏴 Scotland | – | 2001 | – |
| Kayley | English | 235 | 🇨🇦 Alberta | – | 2002 | – |
| Kayley | English | 101 | 🇮🇪 Ireland | – | 2005 | – |
| Cailey | English | 3,857 | 🇺🇸 United States | #6838 | 1999 | ▼ 74 % |
| Cailey | English | 150 | 🇨🇦 Ontario | – | 1999 | – |
| Cailey | English | 32 | 🏴 England & Wales | – | 2004 | – |
| Cailey | English | 16 | 🇨🇦 Alberta | – | 2001 | – |
| Kaylei | English | 2,134 | 🇺🇸 United States | #7133 | 2007 | ▼ 73 % |
| Cayley | English | 1,213 | 🇺🇸 United States | #11932 | 1998 | ▼ 64 % |
| Cayley | English | 82 | 🇨🇦 Alberta | – | 1994 | – |
| Cayley | English | 33 | 🇨🇦 Ontario | – | 1984 | – |
| Cayley | English | 10 | 🏴 England & Wales | – | 2002 | – |
| Cayley | English | 6 | 🇧🇪 Belgium | – | 1999 | – |
| Cayley | English | 5 | 🇨🇦 British Columbia | – | 1989 | – |
| Kailei | English | 617 | 🇺🇸 United States | – | 2004 | – |
How we grouped these names
- Kailey ↔ Kayley — spelling variant
- Kailey ↔ Cailey — spelling variant
- Kailey ↔ Kaylei — spelling variant
- Kailey ↔ Cayley — spelling variant
- Kailey ↔ Kailei — spelling variant
Questions about Kailey
How popular is the name Kailey?
In 2025 it ranked #1417 in the United States. Official registers record 48,627 births across 12 countries.
What is Kailey in other languages?
Kayley (English); Cailey (English); Kaylei (English); Cayley (English); Kailei (English).
When was Kailey most popular?
It peaked in Alberta in 2004, at 135.1 births per 100,000.
Is Kailey a boy or a girl name?
In official birth registers, Kailey is a girl name.