Feminine dossier · first seen 1979

Katelynn

Endangered Down 95.7% from peak

Peak era

1998

Peak births

1,457

Current vitality

Rare

Peak generation

Gen Z

1979Peak 19982025

Quick answers about Katelynn

How many people are named Katelynn?

An estimated 30,290 living Americans are named Katelynn.

How rare is Katelynn?

Katelynn is uncommon among babies today, with 63 girls receiving the name in 2025, down 95.7% from its 1998 peak.

How old is the typical Katelynn?

The median age of a living American named Katelynn is approximately 25 years, with most bearers falling between 18 and 30 years old.

Is Katelynn still popular?

No. Katelynn is endangered as a baby name, down 95.7% from its 1998 peak with 63 births in 2025.

Peak year

1998

Decline from peak

95.7%

2025

All-time

30,680

Diaspora map

Katelynn broke out in Maryland, Massachusetts, Michigan, Oregon, and Pennsylvania (1988) and became over-represented in 24 states over 14 years.

Broke out: Maryland, Massachusetts, Michigan, Oregon, and Pennsylvania, 1988 · over-represented in 24 states over 14 years

Katelynn has been in gradual retreat. The last decade averaged 6.6× lower than the decade before it — a slow, steady fade rather than a collapse.

Katelynn peaked in 1998, when 1,457 girls were given the name.

In 2025, only 63 girls were given the name.

Down 95.7% from its peak.

In all, the Social Security Administration has recorded about 30,680 Americans named Katelynn since 1979.

Rarity scoreVery uncommon

Peak generationGen Z

StabilityHighly era-bound

TrajectoryDown 95.7% from peak

19981,457 girls named Katelynn

202563 girls named Katelynn

Living profile

30,290

Estimated living Americans with this name.

Median age25

Core range18–30

Playground Density Index 0.1%

Wave type

Steady Decline

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