Kaisei
boy name#10695 in 2025Kaisei entered the US charts in 2005, peaked at #7590 in 2007, ranks #10695 today — a rare gem few children share.
Popularity 2005–2025
#10695
rank today
#7590
peak (2007)
6
babies in 2025
rare
a rare gem few children share
Rank by decade
| Decade | Average rank |
|---|---|
| 2000s | #10428 |
| 2010s | #9213 |
| 2020s | #10090 |
Living bearers
About 100 people named Kaisei are estimated to be alive in the US today.
The typical Kaisei is a kid of about 10 — this name's wave is very recent.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Kaisei in 2025?
- Kaisei ranks #10695 among US boy names in 2025, with 6 babies given the name.
- When was the name Kaisei most popular?
- Kaisei peaked in 2007, reaching #7590 among US boy names.
- Will my child share the name Kaisei with classmates?
- Kaisei will almost certainly be the only one in school.
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