AgeName

How old is someone named Kasey?

The average Kasey is 32 years old.

Half of all living Kaseys are between 24 and 40.

Estimated alive
44.5K
Median age
34
Peak year
1990
Mostly
Millennials

Parents have been choosing Kasey less often since its peak in 1990; 285 babies got the name in 2025.

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

Show the numbers by decade
Babies named Kasey by decade, and how many are estimated alive today
Born inBabies bornAlive today
1950s116under 100
1960s747650
1970s4,4684,200
1980s12,72112,000
1990s14,89515,000
2000s7,7087,600
2010s3,5963,600
2020s1,6981,700

How many Kaseys are still alive?

About 45,000 Kaseys are alive in the US today. That's 97% of the roughly 46,000 babies named Kasey since 1950.

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

What generation is the name Kasey?

About half of living Kaseys are Millennials, born between 1981 and 1996.

See all Millennial names →

Is Kasey an old name?

Somewhat. Kasey is older than 55 in 100 names on AgeByName, but younger than plenty of classics.

Looking ahead: if babies keep getting the name at today's pace, the typical Kasey will be 53 in 2056, so the name is getting older.

Names that sound old →

Is Kasey a boy or girl name?

Mostly a girl's name: 73% of living Kaseys are women, and 27% are men.

The women average 33 and the men 30.

Names the same age as Kasey

NAME TWIN

Kasey's name twin is Johnathon. Of all 3,713 names on AgeByName, Johnathon's age curve is the closest match to Kasey's: 92% alike.

Other spellings: Kacey (26) · Kacie (30) · Kaci (28) · Kacy (35)

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Questions about the name Kasey

How old is the average Kasey?

The average Kasey in the US is 32 years old. The median is 34, so half are older and half younger.

How many people are named Kasey?

About 45,000 Kaseys are alive in the US today, out of roughly 46,000 babies given the name since 1950.

When was the name Kasey most popular?

In 1990, when about 1,800 baby girls were named Kasey.

Is Kasey a Millennial name?

Yes. About 50% of living Kaseys are Millennials, born between 1981 and 1996.

Is Kasey a boy or girl name?

Mostly a girl's name: 73% of living Kaseys are women, and 27% are men. The women average 33 and the men 30.

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