AgeName

How old is someone named Katheryn?

The average Katheryn is 45 years old.

Half of all living Katheryns are between 28 and 65.

Estimated alive
10K
Median age
41
Peak year
1990
Mostly
Millennials

Katheryn is a steady name: popular for generations, with a peak in 1990 but no single era. You'll meet Katheryns of every age.

Popular names of 1990 · The most popular names of the 1990s →

Show the numbers by decade
Babies named Katheryn by decade, and how many are estimated alive today
Born inBabies bornAlive today
1900s3020
1910s1,1920
1920s1,543under 100
1930s891190
1940s1,243720
1950s1,7451,400
1960s1,1891,000
1970s962900
1980s1,5981,500
1990s1,8621,800
2000s1,3211,300
2010s786780
2020s261260

How many Katheryns are still alive?

About 10,000 Katheryns are alive in the US today. That's 65% of the roughly 15,000 babies named Katheryn since 1880.

Roughly half of all Katheryns ever born are still living.

What generation is the name Katheryn?

About one in four living Katheryns are Millennials, born between 1981 and 1996.

See all Millennial names →

Is Katheryn an old name?

Somewhat. Katheryn is older than 72 in 100 names on AgeByName, but younger than plenty of classics.

Names that sound old →

Is Katheryn a boy or girl name?

Almost entirely girls: over 99.9% of living Katheryns are women.

Names the same age as Katheryn

NAME TWIN

Katheryn's name twin is Priscilla. Of all 3,713 names on AgeByName, Priscilla's age curve is the closest match to Katheryn's: 91% alike.

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Questions about the name Katheryn

How old is the average Katheryn?

The average Katheryn in the US is 45 years old. The median is 41, so half are older and half younger.

How many people are named Katheryn?

About 10,000 Katheryns are alive in the US today, out of roughly 15,000 babies given the name since 1880.

When was the name Katheryn most popular?

In 1990, when about 210 baby girls were named Katheryn.

Is Katheryn a Millennial name?

Partly. Millennials are the largest group, about 28% of living Katheryns, but the name spans several generations.

Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this