Kaesyn
Boy name · #3650 in 2025 · Very rare
How old is the name Kaesyn? In official American birth records, Kaesyn has been tracked continuously since 2008, giving it 17 years of documented American history.
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. Source: Official national birth records.
Unlock the 5-year forecast and compare Kaesyn against up to 5 other names.
Uniqueness: will there be another Kaesyn in class?
On our rarity read — which blends how common Kaesyn is today with its five-year momentum — the name reads as "very rare". 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 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 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
How old is the name Kaesyn?
In official American birth records, the name Kaesyn first appeared in 2008 (over 17 years ago), when 6 newborn boys received the name. It has been tracked in modern national records for 17 years.
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. 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.