AgeName

How old is someone named Cassie?

The average Cassie is 38 years old.

Half of all living Cassies are between 29 and 44.

Estimated alive
39.4K
Median age
38
Peak year
1982
Mostly
Millennials

Cassie peaked in 1982 and has been given less and less ever since. Only 175 babies got the name in 2025.

Popular names of 1982 · The most popular names of the 1980s →

Show the numbers by decade
Babies named Cassie by decade, and how many are estimated alive today
Born inBabies bornAlive today
1900s8150
1910s1,4900
1920s1,455under 100
1930s834170
1940s885510
1950s1,232960
1960s1,5591,400
1970s4,3804,100
1980s15,85115,000
1990s9,4659,300
2000s4,6544,600
2010s2,0122,000
2020s1,1071,100

How many Cassies are still alive?

About 39,000 Cassies are alive in the US today. That's 84% of the roughly 47,000 babies named Cassie since 1880.

Most Cassies ever born are still alive.

What generation is the name Cassie?

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

See all Millennial names →

Is Cassie an old name?

Somewhat. Cassie is older than 63 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 Cassie will be 57 in 2056, so the name is getting older.

Names that sound old →

Is Cassie a boy or girl name?

Almost entirely girls: 99.5% of living Cassies are women.

Names the same age as Cassie

NAME TWIN

Cassie's name twin is Lacy. Of all 3,713 names on AgeByName, Lacy's age curve is the closest match to Cassie's: 89% alike.

Other spellings: Kassie (32)

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Questions about the name Cassie

How old is the average Cassie?

The average Cassie in the US is 38 years old. The median is 38, so half are older and half younger.

How many people are named Cassie?

About 39,000 Cassies are alive in the US today, out of roughly 47,000 babies given the name since 1880.

When was the name Cassie most popular?

In 1982, when about 2,200 baby girls were named Cassie.

Is Cassie a Millennial name?

Yes. About 54% of living Cassies are Millennials, born between 1981 and 1996.

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