AgeName

How old is someone named Maryjo?

The average Maryjo is 60 years old.

Half of all living Maryjos are between 54 and 71.

Estimated alive
5.5K
Median age
64
Peak year
1960
Mostly
Boomers

Parents have been choosing Maryjo less often since its peak in 1960; 10 babies got the name in 2025.

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

Show the numbers by decade
Babies named Maryjo by decade, and how many are estimated alive today
Born inBabies bornAlive today
1910s440
1920s1600
1930s371under 100
1940s1,062610
1950s1,6891,300
1960s2,0811,800
1970s740690
1980s381370
1990s255250
2000s162160
2010s93under 100
2020s71under 100

How many Maryjos are still alive?

About 5,500 Maryjos are alive in the US today. That's 77% of the roughly 7,100 babies named Maryjo since 1915.

Most Maryjos ever born are still alive.

What generation is the name Maryjo?

About half of living Maryjos are Baby Boomers, born between 1946 and 1964.

See all Boomer names →

Is Maryjo an old name?

Yes. Maryjo is older than 89 in 100 names on AgeByName.

Names that sound old →

Is Maryjo a boy or girl name?

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

Names the same age as Maryjo

NAME TWIN

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

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Questions about the name Maryjo

How old is the average Maryjo?

The average Maryjo in the US is 60 years old. The median is 64, so half are older and half younger.

How many people are named Maryjo?

About 5,500 Maryjos are alive in the US today, out of roughly 7,100 babies given the name since 1915.

When was the name Maryjo most popular?

In 1960, when about 290 baby girls were named Maryjo.

Is Maryjo a Boomer name?

Yes. About 52% of living Maryjos are Baby Boomers, born between 1946 and 1964.

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