Masculine dossier · first seen 1914

Susumu

Extinct Near statistical disappearance

Peak era

1919

Peak births

Current vitality

Dormant

Peak generation

Greatest Generation

Quick answers about Susumu

Susumu has not appeared in SSA records since 1943. 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 Susumu is approximately 86 years, with most bearers falling between 83 and 94 years old.

No. Susumu is extinct in new births; the SSA last recorded it in 1943.

Susumu has its strongest geographic signal in Hawaii, where it appears 227.5× more often than the national baseline.

1914Peak 19192025

Peak year

1919

Decline from peak

100%

2025

All-time

351

Susumu disappeared from SSA records in 1943 and has not been seen in 82 years. Its absence is now longer than many names' entire recorded lifespan.

Susumu peaked in 1919, when 27 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 351 Americans named Susumu since 1914.

Rarity scoreStatistical floor

Peak generationGreatest Generation

StabilityHighly era-bound

TrajectoryNear statistical disappearance

Living profile

Estimated living Americans with this name.

Median age94

Core range86–98

Playground Density Index 0.0%

Wave type

Flash Flood

A concentrated generational spike rather than a slow classic.

Geographic heartland

Hawaii

227.5× higher affinity than the national baseline.

Hawaii · 1920s 227.5×

California · 1920s 10.2×