Masculine dossier · first seen 1909

Hisao

Extinct Near statistical disappearance

Peak era

1922

Peak births

Current vitality

Dormant

Peak generation

Greatest Generation

1909Peak 19222025

Quick answers about Hisao

Hisao has not appeared in SSA records since 1932. It is effectively extinct as a new baby name — no boys received it in the latest available data.

The median age of a living American named Hisao is approximately 97 years, with most bearers falling between 95 and 100 years old.

No. Hisao is extinct in new births; the SSA last recorded it in 1932.

Peak year

1922

Decline from peak

100%

2025

All-time

147

Hisao disappeared from SSA records in 1932 and has not been seen in 93 years. Its absence is now longer than many names' entire recorded lifespan.

Hisao peaked in 1922, when 17 boys were given the name.

No boys were recorded with this name in 2025 — at least not five of them (the SSA's reporting floor).

Down 100% from its peak.

In all, the Social Security Administration has recorded about 147 Americans named Hisao since 1909.

Rarity scoreStatistical floor

Peak generationGreatest Generation

StabilityHighly era-bound

TrajectoryNear statistical disappearance

Living profile

Estimated living Americans with this name.

Median age97

Core range95–100

Playground Density Index 0.0%

Wave type

Flash Flood

A concentrated generational spike rather than a slow classic.