Kaesyn
Boy name · #3650 in 2025 · Uniqueness 76/100
In 2025, 31 baby boys were named Kaesyn, placing it at #3650 in the official national rankings. A decade ago it stood at #3882, so the name has been rising over the past ten years. Roughly one in every 58,065 boys born in 2025 was named Kaesyn.
The 17-year story
Kaesyn first appears in the Social Security records in 2008, when 6 boys received the name. Its peak came in 2021, when 37 boys were named Kaesyn — good for #3180 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 Kaesyn per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Kaesyn against up to 5 other names.
Uniqueness: will there be another Kaesyn in class?
Kaesyn scores 76 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 Kaesyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kaesyn is most common
State-level data for Kaesyn 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 Kaesyn
Statistically, parents drawn to Kaesyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Kolsyn, Kaisyn, Kasyn, Emersyn, and Jaxsyn.
KolsynKaisynKasynEmersynJaxsynKarsynHudsynKingstyn
Rank history (last 25 years)
| Year | Babies named Kaesyn | Rank |
|---|---|---|
| 2025 | 31 | #3583 |
| 2024 | 29 | #3793 |
| 2023 | 28 | #3883 |
| 2022 | 35 | #3344 |
| 2021 | 37 | #3180 |
| 2020 | 29 | #3653 |
| 2019 | 31 | #3571 |
| 2018 | 35 | #3240 |
| 2017 | 28 | #3781 |
| 2016 | 19 | #4943 |
| 2015 | 27 | #3882 |
| 2014 | 17 | #5252 |
| 2013 | 21 | #4463 |
| 2012 | 11 | #7050 |
| 2011 | 15 | #5675 |
| 2010 | 10 | #7591 |
| 2009 | 13 | #6436 |
| 2008 | 6 | #11037 |
Frequently asked questions
Is Kaesyn a popular boy name?
Kaesyn ranked #3650 among boys in 2025 with 31 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3882.
When was the name Kaesyn most popular?
Kaesyn peaked in 2021, when 37 American boys received the name (ranked #3180 that year). Since 2021 the name has declined from that high.
How rare is the name Kaesyn?
In 2025, roughly 1 in 58,065 newborn American boys was named Kaesyn. It scores 76/100 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.