Feminine dossier · first seen 1911

Hatsuko

Extinct Near statistical disappearance

Peak era

1918

Peak births

Current vitality

Dormant

Peak generation

Greatest Generation

1911Peak 19182025

Quick answers about Hatsuko

Hatsuko has not appeared in SSA records since 1932. 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 Hatsuko is approximately 100 years, with most bearers falling between 97 and 104 years old.

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

Peak year

1918

Decline from peak

100%

2025

All-time

204

Hatsuko 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.

Hatsuko peaked in 1918, when 23 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 204 Americans named Hatsuko since 1911.

Rarity scoreStatistical floor

Peak generationGreatest Generation

StabilityHighly era-bound

TrajectoryNear statistical disappearance

Living profile

Estimated living Americans with this name.

Median age100

Core range97–104

Playground Density Index 0.0%

Wave type

Flash Flood

A concentrated generational spike rather than a slow classic.