Kasai
Boy name · #640 in 2025 · Uniqueness 28/100
Kasai ranks #640 among American boys' names as of 2025, with 437 newborns given the name that year. A decade ago it stood at #5746, so the name has been rising over the past ten years. Roughly one in every 4,119 boys born in 2025 was named Kasai.
The 29-year story
Kasai first appears in the Social Security records in 1996, when 5 boys received the name. Its all-time peak is essentially right now: 2025, with 437 babies and a rank of #639. 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 Kasai per year, 1880–2025. Source: SSA.
Unlock the 5-year forecast and compare Kasai against up to 5 other names.
Uniqueness: will there be another Kasai in class?
Kasai scores 28 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "popular" band. A low score means broad familiarity: teachers will spell it right, and your child may share it with a classmate. For many families that's a feature, not a bug.
Where Kasai is most common
Geography matters for names, and Kasai is no exception. In 2025 the states with the most Kasais were PA (37), NY (36), FL (34), TX (32), GA (27). Raw counts naturally favor populous states, but the spread still hints at where the name is part of the local naming culture.
Names like Kasai
Statistically, parents drawn to Kasai tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Jasai, Kenai, Masai, Akari, and Jakai.
JasaiKenaiMasaiAkariJakaiAzaiZakaiKamazi
Rank history (last 25 years)
| Year | Babies named Kasai | Rank |
|---|---|---|
| 2025 | 437 | #639 |
| 2024 | 95 | #1735 |
| 2023 | 64 | #2221 |
| 2022 | 57 | #2438 |
| 2021 | 45 | #2775 |
| 2020 | 52 | #2467 |
| 2019 | 70 | #2062 |
| 2018 | 32 | #3446 |
| 2017 | 26 | #3993 |
| 2016 | 19 | #4943 |
| 2015 | 15 | #5746 |
| 2014 | 10 | #7562 |
| 2013 | 8 | #8789 |
| 2012 | 11 | #7050 |
| 2011 | 8 | #8767 |
| 2010 | 7 | #9693 |
| 2009 | 7 | #9864 |
| 2008 | 8 | #9019 |
| 2007 | 8 | #8915 |
| 2006 | 9 | #7998 |
| 2005 | 10 | #7096 |
| 2004 | 7 | #8927 |
| 2003 | 12 | #5877 |
| 2002 | 22 | #3794 |
| 2001 | 6 | #9243 |
Frequently asked questions
Is Kasai a popular boy name?
Kasai ranked #640 among boys in 2025 with 437 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #5746.
When was the name Kasai most popular?
Kasai peaked in 2025, when 437 American boys received the name (ranked #639 that year). That peak is current — the name is at or near its all-time high right now.
How rare is the name Kasai?
In 2025, roughly 1 in 4,119 newborn American boys was named Kasai. It scores 28/100 on our uniqueness scale (rarity blended with momentum), which we classify as "popular".
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.