Kasai
- US rank
- #639
- Syllables
- 2
- Peak
- #639 in 2025
437 babies were named Kasai in the US in 2025. It has climbed 1,828 places in five years.
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US births per million boys, 1996–2025
Most popular states (2025)
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Kasai you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 3,909 baby boys born in the US in 2025 was named Kasai, 437 babies in all. In a typical school of 500 kids, your Kasai would very likely be the only one.
- HistoryKasai first shows up in US birth records in 1996, the first year at least 5 babies got it. It has been in use for 29 years since.
- Best yearKasai is at its all-time high right now: #639 in 2025.
- Then vs nowKasai is 62× more common today than it was in 2000. In 2000 it was given to about 1 in 243,902 baby boys; in 2025, about 1 in 3,909.
- TrendKasai has climbed 1,828 places in the US rankings over the last five years and now sits at #639. Fast risers like this often keep climbing, so expect to hear it more.
- Where it's lovedKasai is most popular in Delaware, where it ranks #114, followed by Pennsylvania (#304) and Maryland (#364). It's in the top 1,000 in 25 states.
About the name Kasai
Kasai is a boy name. It has 5 letters and 2 syllables, starting with K and ending in “-sai”. US birth records list Kasai for boys from 1996 to 2025, in 28 of those 30 years. Its best year was 2025, when it ranked #639 among boy names. In 2025 it ranked #639, with 437 babies.
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1990s | 1.6 | 645,161 boys |
| 2000s | 4.9 | 204,918 boys |
| 2010s | 11 | 89,767 boys |
| 2020s | 73 | 13,739 boys |
Questions about the name Kasai
Is Kasai a boy or girl name?
Kasai is a boy name, though a few girls get it too.
How popular is the name Kasai?
Kasai ranked #639 for US boys in 2025, given to 437 babies. Its best year was 2025 (#639).