Keilyn
Girl name · #4602 in 2025 · Uniqueness 92/100
In 2025, 30 baby girls were named Keilyn, placing it at #4602 in the official national rankings. A decade ago it stood at #3429, so the name has been falling over the past ten years. Roughly one in every 60,000 girls born in 2025 was named Keilyn.
The 37-year story
Keilyn first appears in the Social Security records in 1988, when 6 girls received the name. Its peak came in 2009, when 63 girls were named Keilyn — good for #2800 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 Keilyn per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Keilyn against up to 5 other names.
Uniqueness: will there be another Keilyn in class?
Keilyn scores 92 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 Keilyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Keilyn is most common
State-level data for Keilyn is sparse in 2025 — the name's footprint is too small for most states to report (the SSA suppresses counts under 5 per state for privacy).
Names like Keilyn
Statistically, parents drawn to Keilyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Taylyn, Irelyn, Emilyn, Daelyn, and Skylyn.
TaylynIrelynEmilynDaelynSkylynFallynRilynRozlyn
Rank history (last 25 years)
| Year | Babies named Keilyn | Rank |
|---|---|---|
| 2025 | 30 | #4546 |
| 2024 | 46 | #3395 |
| 2023 | 49 | #3274 |
| 2022 | 46 | #3416 |
| 2021 | 51 | #3157 |
| 2020 | 56 | #2890 |
| 2019 | 45 | #3451 |
| 2018 | 39 | #3789 |
| 2017 | 38 | #3919 |
| 2016 | 49 | #3280 |
| 2015 | 46 | #3429 |
| 2014 | 50 | #3226 |
| 2013 | 37 | #4002 |
| 2012 | 57 | #2978 |
| 2011 | 62 | #2796 |
| 2010 | 60 | #2870 |
| 2009 | 63 | #2800 |
| 2008 | 43 | #3710 |
| 2007 | 60 | #2964 |
| 2006 | 42 | #3669 |
| 2005 | 31 | #4373 |
| 2004 | 26 | #4949 |
| 2003 | 20 | #5795 |
| 2002 | 30 | #4179 |
| 2001 | 23 | #5009 |
Frequently asked questions
Is Keilyn a popular girl name?
Keilyn ranked #4602 among girls in 2025 with 30 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3429.
When was the name Keilyn most popular?
Keilyn peaked in 2009, when 63 American girls received the name (ranked #2800 that year). Since 2009 the name has declined from that high.
How rare is the name Keilyn?
In 2025, roughly 1 in 60,000 newborn American girls was named Keilyn. It scores 92/100 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.