Kaisyn
Boy name · #1931 in 2025 · Very rare
Kaisyn is currently the #1931 boy name in the United States — 81 babies received it in 2025. A decade ago it stood at #3684, so the name has been rising over the past ten years. Roughly one in every 22,222 boys born in 2025 was named Kaisyn.
The 15-year story
Kaisyn first appears in the Social Security records in 2010, when 15 boys received the name. Its all-time peak is essentially right now: 2024, with 107 babies and a rank of #1599. Names at their peak can keep climbing — or be one trend cycle from the long slide that eventually hits most popular names. 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 Kaisyn per year. Source: SSA.
Unlock the 5-year forecast and compare Kaisyn against up to 5 other names.
Uniqueness: will there be another Kaisyn in class?
On our rarity read — which blends how common Kaisyn is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Kaisyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kaisyn is most common
State-level data for Kaisyn 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 Kaisyn
Statistically, parents drawn to Kaisyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Hudsyn, Kolsyn, Karsyn, Kasyn, and Kaesyn.
HudsynKolsynKarsynKasynKaesynKashtynChosynEmersyn
Rank history (last 25 years)
| Year | Babies named Kaisyn | Rank |
|---|---|---|
| 2025 | 81 | #1919 |
| 2024 | 107 | #1599 |
| 2023 | 89 | #1803 |
| 2022 | 93 | #1771 |
| 2021 | 78 | #1931 |
| 2020 | 74 | #1946 |
| 2019 | 51 | #2556 |
| 2018 | 62 | #2210 |
| 2017 | 45 | #2715 |
| 2016 | 40 | #2935 |
| 2015 | 29 | #3684 |
| 2014 | 33 | #3297 |
| 2013 | 22 | #4313 |
| 2012 | 20 | #4686 |
| 2011 | 16 | #5433 |
| 2010 | 15 | #5741 |
Frequently asked questions
Is Kaisyn a popular boy name?
Kaisyn ranked #1931 among boys in 2025 with 81 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3684.
When was the name Kaisyn most popular?
Kaisyn peaked in 2024, when 107 American boys received the name (ranked #1599 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Kaisyn?
In 2025, roughly 1 in 22,222 newborn American boys was named Kaisyn. 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.