Masculine dossier · first seen 1907

Cleatus

Extinct Near statistical disappearance

Peak era

1924

Peak births

Current vitality

Dormant

Peak generation

Greatest Generation

Quick answers about Cleatus

How many people are named Cleatus?

Based on SSA birth records through 1977, an estimated 213 Americans born with the name Cleatus may still be living. No new bearers have been recorded since 1977.

How rare is Cleatus?

Cleatus has not appeared in SSA records since 1977. It is effectively extinct as a new baby name — no boys received it in the latest available data.

How old is the typical Cleatus?

The median age of a living American named Cleatus is approximately 69 years, with most bearers falling between 62 and 77 years old.

Is Cleatus still popular?

No. Cleatus is extinct in new births; the SSA last recorded it in 1977.

1907Peak 19242025

Peak year

1924

Decline from peak

100%

2025

All-time

894

Cleatus disappeared from SSA records in 1977 and has not been seen in 48 years. Its absence is now longer than many names' entire recorded lifespan.

Cleatus peaked in 1924, when 30 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 894 Americans named Cleatus since 1907.

Rarity scoreStatistical floor

Peak generationGreatest Generation

StabilityHighly era-bound

TrajectoryNear statistical disappearance

Living profile

268

Estimated living Americans with this name.

Median age72

Core range64–80

Playground Density Index 0.0%

Wave type

Plateau

A name with moderate spread and no sharp recent move.