Feminine dossier · first seen 1937

Jacalyn

Stable Decline Gradual decline from 1954

Peak era

1954

Peak births

482

Current vitality

Below reporting floor

Peak generation

Boomer

Quick answers about Jacalyn

How many people are named Jacalyn?

An estimated 3,667 living Americans are named Jacalyn.

How rare is Jacalyn?

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

How old is the typical Jacalyn?

The median age of a living American named Jacalyn is approximately 64 years, with most bearers falling between 42 and 72 years old.

Is Jacalyn still popular?

Not especially. Jacalyn has been declining since its 1954 peak and registered 0 births in 2025.

Where is Jacalyn most common?

Jacalyn has its strongest geographic signal in Wisconsin, where it appears 3.7× more often than the national baseline.

1937Peak 19542025

Peak year

1954

Decline from peak

100%

2025

All-time

5,185

Jacalyn fell hard after 1954. Within five years it had dropped 86% from its peak — one of the steepest post-peak collapses on record.

Jacalyn peaked in 1954, when 482 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 5,185 Americans named Jacalyn since 1937.

Rarity scoreStatistical floor

Peak generationBoomer

StabilityHighly era-bound

TrajectoryGradual decline from 1954

Living profile

4,206

Estimated living Americans with this name.

Median age67

Core range46–73

Playground Density Index 0.0%

Wave type

Steady Decline

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

Geographic heartland

Wisconsin

3.7× higher affinity than the national baseline.

Wisconsin · 1950s 3.7×

Wisconsin · 1960s 3.6×

Illinois · 1960s 2.9×