Kaylin
Girl name · #1645 in 2025 · Very rare
How old is the name Kaylin? In official American birth records, Kaylin has been tracked continuously since 1953, giving it 72 years of documented American history.
Kaylin is currently the #1645 girl name in the United States — 126 babies received it in 2025. A decade ago it stood at #618, so the name has been falling over the past ten years. Roughly one in every 14,286 girls born in 2025 was named Kaylin.
The 72-year story
Kaylin first appears in the Social Security records in 1953, when 5 girls received the name. Its peak came in 2008, when 869 girls were named Kaylin — good for #377 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 Kaylin per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kaylin against up to 5 other names.
Uniqueness: will there be another Kaylin in class?
On our rarity read — which blends how common Kaylin is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kaylin will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kaylin is most common
State-level data for Kaylin 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 Kaylin
Statistically, parents drawn to Kaylin tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Jaylin, Evelin, Yoselin, Yazmin, and Madelin.
JaylinEvelinYoselinYazminMadelinKaelynKailynKaylynn
Rank history (last 25 years)
| Year | Babies named Kaylin | Rank |
|---|---|---|
| 2025 | 126 | #1643 |
| 2024 | 156 | #1425 |
| 2023 | 144 | #1500 |
| 2022 | 192 | #1251 |
| 2021 | 216 | #1138 |
| 2020 | 207 | #1145 |
| 2019 | 260 | #994 |
| 2018 | 285 | #937 |
| 2017 | 283 | #932 |
| 2016 | 357 | #796 |
| 2015 | 467 | #618 |
| 2014 | 567 | #545 |
| 2013 | 664 | #459 |
| 2012 | 666 | #468 |
| 2011 | 772 | #409 |
| 2010 | 807 | #396 |
| 2009 | 866 | #371 |
| 2008 | 869 | #377 |
| 2007 | 868 | #379 |
| 2006 | 799 | #402 |
| 2005 | 751 | #416 |
| 2004 | 699 | #436 |
| 2003 | 677 | #442 |
| 2002 | 587 | #478 |
| 2001 | 625 | #445 |
Frequently asked questions
How old is the name Kaylin?
In official American birth records, the name Kaylin first appeared in 1953 (over 72 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 72 years.
Is Kaylin a popular girl name?
Kaylin ranked #1645 among girls in 2025 with 126 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #618.
When was the name Kaylin most popular?
Kaylin peaked in 2008, when 869 American girls received the name (ranked #377 that year). Since 2008 the name has declined from that high.
How rare is the name Kaylin?
In 2025, roughly 1 in 14,286 newborn American girls was named Kaylin. 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.