Feminine dossier · first seen 1955

Caitlin

Endangered Down 98.9% from peak

Peak era

1988

Peak births

7,246

Current vitality

Rare

Peak generation

Millennial

1955Peak 19882025

Quick answers about Caitlin

How many people are named Caitlin?

An estimated 110,099 living Americans are named Caitlin.

How rare is Caitlin?

Caitlin is uncommon among babies today, with 78 girls receiving the name in 2025, down 98.9% from its 1988 peak.

How old is the typical Caitlin?

The median age of a living American named Caitlin is approximately 33 years, with most bearers falling between 27 and 37 years old.

Is Caitlin still popular?

No. Caitlin is endangered as a baby name, down 98.9% from its 1988 peak with 78 births in 2025.

Peak year

1988

Decline from peak

98.9%

2025

All-time

112,143

Diaspora map

Caitlin broke out in Connecticut, Massachusetts, New Jersey, and New York (1980) and became over-represented in 30 states over 34 years.

Broke out: Connecticut, Massachusetts, New Jersey, and New York, 1980 · over-represented in 30 states over 34 years

Caitlin has been in gradual retreat. The last decade averaged 8.1× lower than the decade before it — a slow, steady fade rather than a collapse.

Caitlin peaked in 1988, when 7,246 girls were given the name.

In 2025, only 78 girls were given the name.

Down 98.9% from its peak.

In all, the Social Security Administration has recorded about 112,143 Americans named Caitlin since 1955.

Rarity scoreVery uncommon

Peak generationMillennial

StabilityHighly era-bound

TrajectoryDown 98.9% from peak

19887,246 girls named Caitlin

202578 girls named Caitlin

Living profile

110,099

Estimated living Americans with this name.

Median age33

Core range27–37

Playground Density Index 0.1%

Wave type

Steady Decline

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