AgeName

How old is someone named Colleen?

The average Colleen is 56 years old.

Half of all living Colleens are between 44 and 67.

Estimated alive
131K
Median age
58
Peak year
1964
Mostly
Boomers

Parents have been choosing Colleen less often since its peak in 1964; 60 babies got the name in 2025.

Popular names of 1964 · The most popular names of the 1960s →

Show the numbers by decade
Babies named Colleen by decade, and how many are estimated alive today
Born inBabies bornAlive today
1900s720
1910s4130
1920s6,086170
1930s7,4401,600
1940s10,4786,300
1950s35,94528,000
1960s40,76236,000
1970s23,84522,000
1980s19,56219,000
1990s12,92713,000
2000s3,8873,800
2010s1,2741,300
2020s393390

How many Colleens are still alive?

About 130,000 Colleens are alive in the US today. That's 81% of the roughly 160,000 babies named Colleen since 1901.

Most Colleens ever born are still alive.

What generation is the name Colleen?

About two in five living Colleens are Baby Boomers, born between 1946 and 1964.

See all Boomer names →

Is Colleen an old name?

Yes. Colleen is older than 84 in 100 names on AgeByName.

Looking ahead: if babies keep getting the name at today's pace, the typical Colleen will be 73 in 2056, so the name is getting older.

Names that sound old →

Is Colleen a boy or girl name?

Almost entirely girls: 99.8% of living Colleens are women.

Names the same age as Colleen

NAME TWIN

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

Other spellings: Coleen (61)

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Questions about the name Colleen

How old is the average Colleen?

The average Colleen in the US is 56 years old. The median is 58, so half are older and half younger.

How many people are named Colleen?

About 130,000 Colleens are alive in the US today, out of roughly 160,000 babies given the name since 1901.

When was the name Colleen most popular?

In 1964, when about 4,600 baby girls were named Colleen.

Is Colleen a Boomer name?

Partly. Baby Boomers are the largest group, about 39% of living Colleens, 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