Feminine dossier · first seen 1949

Kaylen

Stable Decline Gradual decline from 2009

Peak era

2009

Peak births

425

Current vitality

Rare

Peak generation

Gen Z

Quick answers about Kaylen

How many people are named Kaylen?

An estimated 7,032 living Americans are named Kaylen.

How rare is Kaylen?

Kaylen is uncommon among babies today, with 61 girls receiving the name in 2025, down 85.6% from its 2009 peak.

How old is the typical Kaylen?

The median age of a living American named Kaylen is approximately 19 years, with most bearers falling between 14 and 26 years old.

Is Kaylen still popular?

Not especially. Kaylen has been declining since its 2009 peak and registered 61 births in 2025.

Where is Kaylen most common?

Kaylen has its strongest geographic signal in Mississippi, where it appears 3.8× more often than the national baseline.

1949Peak 20092025

Peak year

2009

Decline from peak

85.6%

2025

All-time

7,150

Kaylen has been in gradual retreat. The last decade averaged 3.1× lower than the decade before it — a slow, steady fade rather than a collapse.

Kaylen peaked in 2009, when 425 girls were given the name.

In 2025, only 61 girls were given the name.

Down 85.6% from its peak.

In all, the Social Security Administration has recorded about 7,150 Americans named Kaylen since 1949.

Rarity scoreVery uncommon

Peak generationGen Z

StabilityEra-bound, still legible

TrajectoryGradual decline from 2009

Living profile

7,066

Estimated living Americans with this name.

Median age19

Core range14–26

Playground Density Index 0.1%

Wave type

Steady Decline

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

Geographic heartland

Mississippi

3.8× higher affinity than the national baseline.

Mississippi · 2010s 3.8×

Mississippi · 2000s 3.5×

Alabama · 2000s 3.2×