Kailynn
Girl name · #2347 in 2025 · Very rare
In 2025, 78 baby girls were named Kailynn, placing it at #2347 in the official national rankings. A decade ago it stood at #1126, so the name has been falling over the past ten years. Roughly one in every 23,077 girls born in 2025 was named Kailynn.
The 40-year story
Kailynn first appears in the Social Security records in 1985, when 7 girls received the name. Its peak came in 2011, when 290 girls were named Kailynn — good for #898 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 Kailynn per year. Source: SSA.
Unlock the 5-year forecast and compare Kailynn against up to 5 other names.
Uniqueness: will there be another Kailynn in class?
On our rarity read — which blends how common Kailynn is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kailynn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kailynn is most common
State-level data for Kailynn 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 Kailynn
Statistically, parents drawn to Kailynn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kaelynn, Kaylynn, Jaslynn, Jaylynn, and Jocelynn.
KaelynnKaylynnJaslynnJaylynnJocelynnJaelynnJordynnAislynn
Rank history (last 25 years)
| Year | Babies named Kailynn | Rank |
|---|---|---|
| 2025 | 78 | #2326 |
| 2024 | 95 | #2040 |
| 2023 | 101 | #1946 |
| 2022 | 105 | #1907 |
| 2021 | 122 | #1698 |
| 2020 | 129 | #1616 |
| 2019 | 122 | #1708 |
| 2018 | 154 | #1435 |
| 2017 | 159 | #1432 |
| 2016 | 184 | #1300 |
| 2015 | 226 | #1126 |
| 2014 | 258 | #1011 |
| 2013 | 235 | #1056 |
| 2012 | 271 | #942 |
| 2011 | 290 | #898 |
| 2010 | 230 | #1082 |
| 2009 | 247 | #1048 |
| 2008 | 226 | #1137 |
| 2007 | 209 | #1203 |
| 2006 | 150 | #1473 |
| 2005 | 132 | #1547 |
| 2004 | 125 | #1573 |
| 2003 | 113 | #1687 |
| 2002 | 98 | #1821 |
| 2001 | 89 | #1941 |
Frequently asked questions
Is Kailynn a popular girl name?
Kailynn ranked #2347 among girls in 2025 with 78 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1126.
When was the name Kailynn most popular?
Kailynn peaked in 2011, when 290 American girls received the name (ranked #898 that year). Since 2011 the name has declined from that high.
How rare is the name Kailynn?
In 2025, roughly 1 in 23,077 newborn American girls was named Kailynn. On our rarity scale (rarity blended with momentum) we classify it as "very 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.