Kayley
Girl name · #3413 in 2025 · Very rare
How old is the name Kayley? In official American birth records, Kayley has been tracked continuously since 1977, giving it 48 years of documented American history.
In 2025, 45 baby girls were named Kayley, placing it at #3413 in the official national rankings. A decade ago it stood at #1622, so the name has been falling over the past ten years. Roughly one in every 40,000 girls born in 2025 was named Kayley.
Babies named Kayley per year. Source: Official national birth records.
The 48-year story
Kayley first appears in the Social Security records in 1977, when 5 girls received the name. Its peak came in 1999, when 461 girls were named Kayley — good for #548 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 Kayley against up to 5 other names.
Uniqueness: will there be another Kayley in class?
On our rarity read — which blends how common Kayley is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kayley will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kayley is most common
State-level data for Kayley is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Kayley
Statistically, parents drawn to Kayley tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Karley, Kaley, Carley, Kiley, and Kailey.
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Rank history (last 25 years)
| Year | Babies named Kayley | Rank |
|---|---|---|
| 2025 | 45 | #3389 |
| 2024 | 49 | #3225 |
| 2023 | 56 | #2975 |
| 2022 | 71 | #2510 |
| 2021 | 63 | #2715 |
| 2020 | 80 | #2241 |
| 2019 | 65 | #2651 |
| 2018 | 97 | #2014 |
| 2017 | 100 | #1976 |
| 2016 | 125 | #1704 |
| 2015 | 132 | #1622 |
| 2014 | 143 | #1526 |
| 2013 | 181 | #1292 |
| 2012 | 218 | #1128 |
| 2011 | 211 | #1160 |
| 2010 | 231 | #1075 |
| 2009 | 288 | #929 |
| 2008 | 349 | #819 |
| 2007 | 338 | #840 |
| 2006 | 383 | #732 |
| 2005 | 438 | #638 |
| 2004 | 411 | #666 |
| 2003 | 377 | #692 |
| 2002 | 332 | #734 |
| 2001 | 375 | #669 |
Frequently asked questions
How old is the name Kayley?
In official American birth records, the name Kayley first appeared in 1977 (over 48 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 48 years.
Is Kayley a popular girl name?
Kayley ranked #3413 among girls in 2025 with 45 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1622.
When was the name Kayley most popular?
Kayley peaked in 1999, when 461 American girls received the name (ranked #548 that year). Since 1999 the name has declined from that high.
How rare is the name Kayley?
In 2025, roughly 1 in 40,000 newborn American girls was named Kayley. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.