Feminine dossier · first seen 1882

Leonia

Stable Decline Gradual decline from 1918

Peak era

1918

Peak births

Current vitality

Below reporting floor

Peak generation

Greatest Generation

Quick answers about Leonia

An estimated 306 living Americans are named Leonia.

Leonia fell below the SSA's 5-birth reporting floor in 2025. It is extremely rare as a new baby name.

The median age of a living American named Leonia is approximately 63 years, with most bearers falling between 49 and 76 years old.

Not especially. Leonia has been declining since its 1918 peak and registered 0 births in 2025.

1882Peak 19182025

Peak year

1918

Decline from peak

100%

2025

All-time

1,567

Leonia last appeared in SSA records in 2021. Across its recorded history, about 1,567 American girls received the name.

Leonia peaked in 1918, when 41 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 1,567 Americans named Leonia since 1882.

Rarity scoreStatistical floor

Peak generationGreatest Generation

StabilityHighly era-bound

TrajectoryGradual decline from 1918

Living profile

410

Estimated living Americans with this name.

Median age72

Core range55–82

Playground Density Index 0.0%

Wave type

Steady Decline

A name with a broad middle and a downward recent trajectory.