Kaylyn
Girl name · #2523 in 2025 · Uniqueness 73/100
Kaylyn ranks #2523 among American girls' names as of 2025, with 70 newborns given the name that year. A decade ago it stood at #1266, so the name has been falling over the past ten years. Roughly one in every 25,714 girls born in 2025 was named Kaylyn.
The 76-year story
Kaylyn first appears in the Social Security records in 1949, when 5 girls received the name. Its peak came in 1997, when 462 girls were named Kaylyn — good for #518 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.
Babies named Kaylyn per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Kaylyn against up to 5 other names.
Uniqueness: will there be another Kaylyn in class?
Kaylyn scores 73 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "rare" band. A high score means genuine rarity — your Kaylyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kaylyn is most common
Geography matters for names, and Kaylyn is no exception. In 2025 the states with the most Kaylyns were AR (5), FL (5), GA (5), NY (5), TX (5). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Kaylyn
Statistically, parents drawn to Kaylyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Caitlyn, Katelyn, Kaitlyn, Kailyn, and Kimberlyn.
CaitlynKatelynKaitlynKailynKimberlynJailynKaelynJoslyn
Rank history (last 25 years)
| Year | Babies named Kaylyn | Rank |
|---|---|---|
| 2025 | 70 | #2514 |
| 2024 | 58 | #2857 |
| 2023 | 77 | #2352 |
| 2022 | 70 | #2530 |
| 2021 | 97 | #1991 |
| 2020 | 74 | #2376 |
| 2019 | 101 | #1941 |
| 2018 | 119 | #1727 |
| 2017 | 131 | #1643 |
| 2016 | 167 | #1394 |
| 2015 | 192 | #1266 |
| 2014 | 201 | #1215 |
| 2013 | 255 | #984 |
| 2012 | 277 | #926 |
| 2011 | 354 | #769 |
| 2010 | 356 | #769 |
| 2009 | 413 | #703 |
| 2008 | 411 | #723 |
| 2007 | 462 | #642 |
| 2006 | 409 | #693 |
| 2005 | 420 | #659 |
| 2004 | 396 | #690 |
| 2003 | 408 | #651 |
| 2002 | 430 | #600 |
| 2001 | 392 | #644 |
Frequently asked questions
Is Kaylyn a popular girl name?
Kaylyn ranked #2523 among girls in 2025 with 70 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1266.
When was the name Kaylyn most popular?
Kaylyn peaked in 1997, when 462 American girls received the name (ranked #518 that year). Since 1997 the name has declined from that high.
How rare is the name Kaylyn?
In 2025, roughly 1 in 25,714 newborn American girls was named Kaylyn. It scores 73/100 on our uniqueness scale (rarity blended with momentum), which we classify as "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.