Kiley
Girl name · Australian · Celtic Gaelic · Irish
- US rank
- #2,778
- Syllables
- 2
- Peak
- #307 in 2008
61 babies were named Kiley in the US in 2025. It has dropped 960 places in five years.
Save adds it to your list. Vote moves it up the top voted names.
US births per million girls, 1958–2025
US births per million boys, 1968–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Kiley you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 26,316 baby girls born in the US in 2025 was named Kiley, 61 babies in all. In a typical school of 500 kids, your Kiley would very likely be the only one.
- HistoryKiley first shows up in US birth records in 1958, the first year at least 5 babies got it. It has been in use for 67 years since.
- Best yearIt was far more popular in 2008, when it ranked #307. Today it's #2,778, so it could be due a comeback.
- Then vs nowKiley was 9.1× more common in 2000 than it is today. In 2000 it was given to about 1 in 2,892 baby girls; in 2025, about 1 in 26,316.
- TrendKiley has slipped 960 places over the last five years and now sits at #2,778. Good news if you want a familiar name that fewer kids will share.
- OriginKiley is the #7 most popular Australian girl name in the US. That's out of 24 Australian girl and unisex names in our list.
About the name Kiley
Kiley is a girl name of Australian, Celtic Gaelic and Irish origin. It has 5 letters and 2 syllables, starting with K and ending in “-ley”. US birth records list Kiley for girls from 1958 to 2025, in 61 of those 68 years. Its best year was 2008, when it ranked #307 among girl names. In 2025 it ranked #2,778, with 61 babies.
Origin:Australian namesCeltic Gaelic namesIrish names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1950s | 1.3 | 800,000 girls |
| 1960s | 1.5 | 657,895 girls |
| 1970s | 50 | 19,814 girls |
| 1980s | 112 | 8,940 girls |
| 1990s | 209 | 4,789 girls |
| 2000s | 439 | 2,279 girls |
| 2010s | 235 | 4,263 girls |
| 2020s | 45 | 22,422 girls |
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1960s | 6.5 | 152,672 boys |
| 1970s | 32 | 30,845 boys |
| 1980s | 14 | 71,429 boys |
| 1990s | 10 | 98,814 boys |
| 2000s | 3.6 | 274,725 boys |
| 2010s | 0.8 | 1,206,897 boys |
Other spellings of Kiley
More Australian girl names
Questions about the name Kiley
What is the origin of the name Kiley?
Kiley has Australian, Celtic Gaelic, Irish roots in our records. Other Australian names include Indiana, Kylie, Kylee.
Is Kiley a boy or girl name?
Kiley is a girl name.
How popular is the name Kiley?
Kiley ranked #2,778 for US girls in 2025, given to 61 babies. Its best year was 2008 (#307).