Masculine dossier · first seen 1912

Tsutomu

Extinct Near statistical disappearance

Peak era

1924

Peak births

Current vitality

Dormant

Peak generation

Greatest Generation

Quick answers about Tsutomu

Tsutomu has not appeared in SSA records since 1937. 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 Tsutomu is approximately 94 years, with most bearers falling between 90 and 98 years old.

No. Tsutomu is extinct in new births; the SSA last recorded it in 1937.

Tsutomu has its strongest geographic signal in Hawaii, where it appears 220.6× more often than the national baseline.

1912Peak 19242025

Peak year

1924

Decline from peak

100%

2025

All-time

352

Tsutomu disappeared from SSA records in 1937 and has not been seen in 88 years. Its absence is now longer than many names' entire recorded lifespan.

Tsutomu peaked in 1924, when 31 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 352 Americans named Tsutomu since 1912.

Rarity scoreStatistical floor

Peak generationGreatest Generation

StabilityHighly era-bound

TrajectoryNear statistical disappearance

Living profile

Estimated living Americans with this name.

Median age97

Core range93–100

Playground Density Index 0.0%

Wave type

Flash Flood

A concentrated generational spike rather than a slow classic.

Geographic heartland

Hawaii

220.6× higher affinity than the national baseline.

Hawaii · 1920s 220.6×

California · 1920s 8.7×