AgeName

How old is someone named Kaysen?

The average Kaysen is 8 years old.

Half of all living Kaysens are between 3 and 11.

Estimated alive
7K
Median age
7
Peak year
2025
Mostly
Gen Alpha

Kaysen has been rising for years and peaked in 2025, so most Kaysens are still kids.

Popular names of 2025 · The most popular names of the 2020s →

Show the numbers by decade
Babies named Kaysen by decade, and how many are estimated alive today
Born inBabies bornAlive today
1990s15under 100
2000s452450
2010s3,2293,200
2020s3,3793,400

How many Kaysens are still alive?

About 7,000 Kaysens are alive in the US today. That's over 99% of the roughly 7,100 babies named Kaysen since 1998.

Nearly every Kaysen ever born is still alive, because almost all of them are young.

What generation is the name Kaysen?

About nine in ten living Kaysens are in Gen Alpha, born in 2013 or later.

See all Gen Alpha names →

Is Kaysen an old name?

No. Kaysen is one of the youngest names around: younger than 98 in 100 names on AgeByName.

Looking ahead: if babies keep getting the name at today's pace, the typical Kaysen will be 22 in 2056, so the name is aging slowly.

Names that sound young →

Is Kaysen a boy or girl name?

Mostly a boy's name: 94% of living Kaysens are men, and 6% are women.

The women average 12 and the men 7.

Names the same age as Kaysen

NAME TWIN

Kaysen's name twin is Kayson. Of all 3,713 names on AgeByName, Kayson's age curve is the closest match to Kaysen's: 95% alike.

Other spellings: Kasen (10) · Casen (11)

GUESS THE AGE

Think you can guess a Jessica's age?

Ten names, one slider each. Share your score.

Play now →

Questions about the name Kaysen

How old is the average Kaysen?

The average Kaysen in the US is 8 years old. The median is 7, so half are older and half younger.

How many people are named Kaysen?

About 7,000 Kaysens are alive in the US today, out of roughly 7,100 babies given the name since 1998.

When was the name Kaysen most popular?

In 2025, when about 790 baby boys were named Kaysen.

Is Kaysen a Gen Alpha name?

Yes. About 86% of living Kaysens are in Gen Alpha, born in 2013 or later.

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