AgeName

How old is someone named Marlo?

The average Marlo is 38 years old.

Half of all living Marlos are between 15 and 56. The average sits between a large older group and a younger one, so many Marlos are much older than 38.

Estimated alive
9.9K
Median age
47
Peak year
1970
Mostly
Gen X

Marlo has never really gone out of style. Parents have chosen it every year for more than a century; its busiest year was 1970.

Popular names of 1970 · The most popular names of the 1970s →

Show the numbers by decade
Babies named Marlo by decade, and how many are estimated alive today
Born inBabies bornAlive today
1910s250
1920s1020
1930s209under 100
1940s235120
1950s366260
1960s1,8621,700
1970s3,2013,000
1980s927890
1990s620610
2000s778770
2010s1,4431,400
2020s1,1761,200

How many Marlos are still alive?

About 9,900 Marlos are alive in the US today. That's 90% of the roughly 11,000 babies named Marlo since 1915.

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

What generation is the name Marlo?

About half of living Marlos are Gen Xers, born between 1965 and 1980.

See all Gen X names →

Is Marlo an old name?

Somewhat. Marlo is older than 64 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 Marlo will be 40 in 2056, about the same as today.

Names that sound old →

Is Marlo a boy or girl name?

Mostly a girl's name: 69% of living Marlos are women, and 31% are men.

The women average 41 and the men 33.

Names the same age as Marlo

NAME TWIN

Marlo's name twin is Lara. Of all 3,713 names on AgeByName, Lara's age curve is the closest match to Marlo's: 82% alike.

GUESS THE AGE

Think you can guess a Ashley's age?

Ten names, one slider each. Share your score.

Play now →

Questions about the name Marlo

How old is the average Marlo?

The average Marlo in the US is 38 years old. The median is 47, so half are older and half younger.

How many people are named Marlo?

About 9,900 Marlos are alive in the US today, out of roughly 11,000 babies given the name since 1915.

When was the name Marlo most popular?

In 1970, when about 640 baby girls were named Marlo.

Is Marlo a Gen X name?

Partly. Gen X are the largest group, about 47% of living Marlos, but the name spans several generations.

Is Marlo a boy or girl name?

Mostly a girl's name: 69% of living Marlos are women, and 31% are men. The women average 41 and the men 33.

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