Feminine dossier · first seen 1895

Ileen

Stable Decline Gradual decline from 1924

Peak era

1924

Peak births

Current vitality

Below reporting floor

Peak generation

Greatest Generation

1895Peak 19242025

Quick answers about Ileen

An estimated 1,126 living Americans are named Ileen.

Ileen 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 Ileen is approximately 45 years, with most bearers falling between 21 and 72 years old.

Not especially. Ileen has been declining since its 1924 peak and registered 0 births in 2025.

Peak year

1924

Decline from peak

100%

2025

All-time

2,152

Ileen last appeared in SSA records in 2024. Across its recorded history, about 2,152 American girls received the name.

Ileen peaked in 1924, when 51 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 2,152 Americans named Ileen since 1895.

Rarity scoreStatistical floor

Peak generationGreatest Generation

StabilityHighly era-bound

TrajectoryGradual decline from 1924

Living profile

1,126

Estimated living Americans with this name.

Median age45

Core range21–72

Playground Density Index 0.0%

Wave type

Glacier

A long-duration classic distributed across many generations.