Kailey
Girl name · #1421 in 2025 · Very rare
Kailey ranks #1421 among American girls' names as of 2025, with 153 newborns given the name that year. A decade ago it stood at #531, so the name has been falling over the past ten years. Roughly one in every 11,765 girls born in 2025 was named Kailey.
Babies named Kailey per year. Source: SSA.
The 55-year story
Kailey first appears in the Social Security records in 1970, when 5 girls received the name. Its peak came in 2004, when 1,439 girls were named Kailey — good for #228 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Kailey against up to 5 other names.
Uniqueness: will there be another Kailey in class?
On our rarity read — which blends how common Kailey is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kailey will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kailey is most common
Geography matters for names, and Kailey is no exception. Adjusted for how many girls are born in each state, Kailey is most common in IL (0.2 per 1,000), TX (0.1 per 1,000), FL (0.1 per 1,000), CA (0.1 per 1,000), NY (0.1 per 1,000) — against a national average of about 0.1 per 1,000 girls. These are per-capita rates, so they show where Kailey is a genuine regional favorite rather than just where the most babies are born.
Names like Kailey
Statistically, parents drawn to Kailey tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Keeley, Karley, Kayley, Kiley, and Ansley.
KeeleyKarleyKayleyKileyAnsleyKaleyCarleyMacey
Rank history (last 25 years)
| Year | Babies named Kailey | Rank |
|---|---|---|
| 2025 | 153 | #1417 |
| 2024 | 180 | #1284 |
| 2023 | 226 | #1089 |
| 2022 | 256 | #1015 |
| 2021 | 271 | #958 |
| 2020 | 322 | #847 |
| 2019 | 346 | #799 |
| 2018 | 427 | #684 |
| 2017 | 454 | #656 |
| 2016 | 507 | #595 |
| 2015 | 588 | #531 |
| 2014 | 664 | #476 |
| 2013 | 671 | #452 |
| 2012 | 757 | #415 |
| 2011 | 906 | #356 |
| 2010 | 834 | #383 |
| 2009 | 999 | #330 |
| 2008 | 1,083 | #309 |
| 2007 | 1,178 | #287 |
| 2006 | 1,275 | #258 |
| 2005 | 1,298 | #251 |
| 2004 | 1,439 | #228 |
| 2003 | 1,331 | #245 |
| 2002 | 1,093 | #284 |
| 2001 | 1,090 | #288 |
Frequently asked questions
Is Kailey a popular girl name?
Kailey ranked #1421 among girls in 2025 with 153 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #531.
When was the name Kailey most popular?
Kailey peaked in 2004, when 1,439 American girls received the name (ranked #228 that year). Since 2004 the name has declined from that high.
How rare is the name Kailey?
In 2025, roughly 1 in 11,765 newborn American girls was named Kailey. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.