Kaylynn
Girl name · #1573 in 2025 · Very rare
How old is the name Kaylynn? In official American birth records, Kaylynn has been tracked continuously since 1947, giving it 78 years of documented American history.
Kaylynn is currently the #1573 girl name in the United States — 134 babies received it in 2025. A decade ago it stood at #740, so the name has been falling over the past ten years. Roughly one in every 13,433 girls born in 2025 was named Kaylynn.
The 78-year story
Kaylynn first appears in the Social Security records in 1947, when 8 girls received the name. Its peak came in 2009, when 590 girls were named Kaylynn — good for #512 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 Kaylynn per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Kaylynn against up to 5 other names.
Uniqueness: will there be another Kaylynn in class?
On our rarity read — which blends how common Kaylynn is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kaylynn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kaylynn is most common
State-level data for Kaylynn 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 Kaylynn
Statistically, parents drawn to Kaylynn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kailynn, Kaelynn, Jaylynn, Jaelynn, and Ashlynn.
KailynnKaelynnJaylynnJaelynnAshlynnMadalynnJocelynnJazlynn
Rank history (last 25 years)
| Year | Babies named Kaylynn | Rank |
|---|---|---|
| 2025 | 134 | #1570 |
| 2024 | 140 | #1529 |
| 2023 | 167 | #1348 |
| 2022 | 167 | #1378 |
| 2021 | 166 | #1337 |
| 2020 | 216 | #1118 |
| 2019 | 247 | #1036 |
| 2018 | 252 | #1026 |
| 2017 | 257 | #1009 |
| 2016 | 313 | #894 |
| 2015 | 380 | #740 |
| 2014 | 447 | #640 |
| 2013 | 470 | #600 |
| 2012 | 459 | #621 |
| 2011 | 496 | #581 |
| 2010 | 512 | #570 |
| 2009 | 590 | #512 |
| 2008 | 580 | #528 |
| 2007 | 502 | #599 |
| 2006 | 464 | #624 |
| 2005 | 411 | #677 |
| 2004 | 418 | #656 |
| 2003 | 349 | #732 |
| 2002 | 301 | #780 |
| 2001 | 319 | #750 |
Frequently asked questions
How old is the name Kaylynn?
In official American birth records, the name Kaylynn first appeared in 1947 (over 78 years ago), when 8 newborn girls received the name. It has been tracked in modern national records for 78 years.
Is Kaylynn a popular girl name?
Kaylynn ranked #1573 among girls in 2025 with 134 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #740.
When was the name Kaylynn most popular?
Kaylynn peaked in 2009, when 590 American girls received the name (ranked #512 that year). Since 2009 the name has declined from that high.
How rare is the name Kaylynn?
In 2025, roughly 1 in 13,433 newborn American girls was named Kaylynn. 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.