Kasyn
Boy name · #1804 in 2025 · Uniqueness 74/100
Kasyn ranks #1804 among American boys' names as of 2025, with 89 newborns given the name that year. A decade ago it stood at #2036, so the name has been rising over the past ten years. Roughly one in every 20,225 boys born in 2025 was named Kasyn.
Babies named Kasyn per year, 1880–2025. Source: SSA.
The 22-year story
Kasyn first appears in the Social Security records in 2003, when 7 boys received the name. Its peak came in 2020, when 103 boys were named Kasyn — good for #1579 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.
Unlock the 5-year forecast and compare Kasyn against up to 5 other names.
Uniqueness: will there be another Kasyn in class?
Kasyn scores 74 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 Kasyn will likely be the only one in the room, with the occasional spelling-out as the price.
Where Kasyn is most common
Geography matters for names, and Kasyn is no exception. In 2025 the states with the most Kasyns were TX (8), GA (6), IL (6), LA (6), IN (5). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Kasyn
Statistically, parents drawn to Kasyn tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Karsyn, Kaisyn, Kaesyn, Hudsyn, and Carsyn.
KarsynKaisynKaesynHudsynCarsynKorbynKamdynKysen
Rank history (last 25 years)
| Year | Babies named Kasyn | Rank |
|---|---|---|
| 2025 | 89 | #1793 |
| 2024 | 73 | #2057 |
| 2023 | 83 | #1896 |
| 2022 | 87 | #1839 |
| 2021 | 88 | #1789 |
| 2020 | 103 | #1579 |
| 2019 | 90 | #1737 |
| 2018 | 81 | #1856 |
| 2017 | 81 | #1829 |
| 2016 | 85 | #1788 |
| 2015 | 70 | #2036 |
| 2014 | 81 | #1828 |
| 2013 | 68 | #2009 |
| 2012 | 64 | #2104 |
| 2011 | 61 | #2145 |
| 2010 | 56 | #2287 |
| 2009 | 45 | #2702 |
| 2008 | 39 | #3005 |
| 2007 | 29 | #3591 |
| 2006 | 15 | #5525 |
| 2005 | 9 | #7640 |
| 2004 | 9 | #7536 |
| 2003 | 7 | #8643 |
Frequently asked questions
Is Kasyn a popular boy name?
Kasyn ranked #1804 among boys in 2025 with 89 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #2036.
When was the name Kasyn most popular?
Kasyn peaked in 2020, when 103 American boys received the name (ranked #1579 that year). Since 2020 the name has declined from that high.
How rare is the name Kasyn?
In 2025, roughly 1 in 20,225 newborn American boys was named Kasyn. It scores 74/100 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.