Masculine dossier · first seen 1911
Kazuo
Stable
Cross-generational persistence
Peak era
1921
Peak births
57
Current vitality
Rare
Peak generation
Greatest Generation
Quick answers about Kazuo
How many people are named Kazuo?
An estimated 39 living Americans are named Kazuo.
How rare is Kazuo?
Kazuo is very rare among babies today, with 5 boys receiving the name in 2025, down 91.2% from its 1921 peak.
How old is the typical Kazuo?
The median age of a living American named Kazuo is approximately 19 years, with most bearers falling between 17 and 82 years old.
Is Kazuo still popular?
Yes. Kazuo is holding steady, with 5 births in 2025 and a consistent recent baseline.
Where is Kazuo most common?
Kazuo has its strongest geographic signal in Hawaii, where it appears 200.6× more often than the national baseline.
1911Peak 19212025
Peak year
1921
Decline from peak
91.2%
2025
5
All-time
762