Feminine dossier · first seen 1913

Sadako

Extinct Near statistical disappearance

Peak era

1924

Peak births

Current vitality

Dormant

Peak generation

Greatest Generation

Quick answers about Sadako

Sadako has not appeared in SSA records since 1940. It is effectively extinct as a new baby name — no girls received it in the latest available data.

The median age of a living American named Sadako is approximately 94 years, with most bearers falling between 86 and 97 years old.

No. Sadako is extinct in new births; the SSA last recorded it in 1940.

Sadako has its strongest geographic signal in Hawaii, where it appears 345.7× more often than the national baseline.

1913Peak 19242025

Peak year

1924

Decline from peak

100%

2025

All-time

349

Sadako disappeared from SSA records in 1940 and has not been seen in 85 years. Its absence is now longer than many names' entire recorded lifespan.

Sadako peaked in 1924, when 25 girls were given the name.

No girls 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 349 Americans named Sadako since 1913.

Rarity scoreStatistical floor

Peak generationGreatest Generation

StabilityHighly era-bound

TrajectoryNear statistical disappearance

Living profile

Estimated living Americans with this name.

Median age97

Core range94–100

Playground Density Index 0.0%

Wave type

Flash Flood

A concentrated generational spike rather than a slow classic.

Geographic heartland

Hawaii

345.7× higher affinity than the national baseline.

Hawaii · 1910s 345.7×

Hawaii · 1920s 225.9×