Kaelyn
Girl name · #1597 in 2025 · Very rare
How old is the name Kaelyn? In official American birth records, Kaelyn has been tracked continuously since 1959, giving it 66 years of documented American history.
Kaelyn ranks #1597 among American girls' names as of 2025, with 131 newborns given the name that year. A decade ago it stood at #521, so the name has been falling over the past ten years. Roughly one in every 13,740 girls born in 2025 was named Kaelyn.
The 66-year story
Kaelyn first appears in the Social Security records in 1959, when 5 girls received the name. Its peak came in 2009, when 997 girls were named Kaelyn — good for #331 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 Kaelyn per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kaelyn against up to 5 other names.
Uniqueness: will there be another Kaelyn in class?
On our rarity read — which blends how common Kaelyn is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kaelyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kaelyn is most common
State-level data for Kaelyn 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 Kaelyn
Statistically, parents drawn to Kaelyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kailyn, Jaelyn, Joselyn, Joslyn, and Jaslyn.
KailynJaelynJoselynJoslynJaslynCailynJailynMadalyn
Rank history (last 25 years)
| Year | Babies named Kaelyn | Rank |
|---|---|---|
| 2025 | 131 | #1592 |
| 2024 | 126 | #1637 |
| 2023 | 138 | #1544 |
| 2022 | 141 | #1521 |
| 2021 | 192 | #1223 |
| 2020 | 221 | #1105 |
| 2019 | 245 | #1045 |
| 2018 | 280 | #948 |
| 2017 | 333 | #819 |
| 2016 | 391 | #726 |
| 2015 | 602 | #521 |
| 2014 | 533 | #575 |
| 2013 | 692 | #443 |
| 2012 | 754 | #417 |
| 2011 | 822 | #385 |
| 2010 | 945 | #339 |
| 2009 | 997 | #331 |
| 2008 | 949 | #351 |
| 2007 | 987 | #338 |
| 2006 | 879 | #370 |
| 2005 | 562 | #520 |
| 2004 | 502 | #569 |
| 2003 | 438 | #611 |
| 2002 | 389 | #650 |
| 2001 | 380 | #661 |
Frequently asked questions
How old is the name Kaelyn?
In official American birth records, the name Kaelyn first appeared in 1959 (over 66 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 66 years.
Is Kaelyn a popular girl name?
Kaelyn ranked #1597 among girls in 2025 with 131 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #521.
When was the name Kaelyn most popular?
Kaelyn peaked in 2009, when 997 American girls received the name (ranked #331 that year). Since 2009 the name has declined from that high.
How rare is the name Kaelyn?
In 2025, roughly 1 in 13,740 newborn American girls was named Kaelyn. 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.