Kayleen
Girl name · #2521 in 2025 · Very rare
How old is the name Kayleen? In official American birth records, Kayleen has been tracked continuously since 1934, giving it 91 years of documented American history.
Kayleen ranks #2521 among American girls' names as of 2025, with 70 newborns given the name that year. A decade ago it stood at #1337, so the name has been falling over the past ten years. Roughly one in every 25,714 girls born in 2025 was named Kayleen.
Babies named Kayleen per year. Source: Official national birth records.
The 91-year story
Kayleen first appears in the Social Security records in 1934, when 6 girls received the name. Its peak came in 2010, when 284 girls were named Kayleen — good for #915 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 Kayleen against up to 5 other names.
Uniqueness: will there be another Kayleen in class?
On our rarity read — which blends how common Kayleen is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kayleen will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kayleen is most common
State-level data for Kayleen 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 Kayleen
Statistically, parents drawn to Kayleen tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kaylen, Jasleen, Haneen, Karmen, and Mayleen.
KaylenJasleenHaneenKarmenMayleenKerenAileenKailynn
Rank history (last 25 years)
| Year | Babies named Kayleen | Rank |
|---|---|---|
| 2025 | 70 | #2514 |
| 2024 | 69 | #2559 |
| 2023 | 136 | #1557 |
| 2022 | 141 | #1521 |
| 2021 | 143 | #1487 |
| 2020 | 112 | #1769 |
| 2019 | 140 | #1540 |
| 2018 | 137 | #1577 |
| 2017 | 134 | #1614 |
| 2016 | 163 | #1420 |
| 2015 | 177 | #1337 |
| 2014 | 216 | #1151 |
| 2013 | 228 | #1082 |
| 2012 | 239 | #1053 |
| 2011 | 230 | #1070 |
| 2010 | 284 | #915 |
| 2009 | 271 | #980 |
| 2008 | 227 | #1133 |
| 2007 | 215 | #1180 |
| 2006 | 214 | #1143 |
| 2005 | 201 | #1154 |
| 2004 | 191 | #1175 |
| 2003 | 207 | #1071 |
| 2002 | 157 | #1258 |
| 2001 | 139 | #1368 |
Frequently asked questions
How old is the name Kayleen?
In official American birth records, the name Kayleen first appeared in 1934 (over 91 years ago), when 6 newborn girls received the name. It has been tracked in modern national records for 91 years.
Is Kayleen a popular girl name?
Kayleen ranked #2521 among girls in 2025 with 70 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1337.
When was the name Kayleen most popular?
Kayleen peaked in 2010, when 284 American girls received the name (ranked #915 that year). Since 2010 the name has declined from that high.
How rare is the name Kayleen?
In 2025, roughly 1 in 25,714 newborn American girls was named Kayleen. 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.