AgeName

How old is someone named Marley?

The average Marley is 14 years old.

Half of all living Marleys are between 7 and 18.

Estimated alive
37.8K
Median age
13
Peak year
2008
Mostly
Gen Alpha

Marley is a modern favorite: it climbed through the 2000s and hit its high in 2008. 1,081 babies got the name in 2025.

Popular names of 2008 · The most popular names of the 2000s →

Show the numbers by decade
Babies named Marley by decade, and how many are estimated alive today
Born inBabies bornAlive today
1910s360
1920s800
1930s65under 100
1940s51under 100
1950s95under 100
1960s52under 100
1970s141130
1980s616590
1990s2,3382,300
2000s10,29110,000
2010s16,52716,000
2020s8,1128,100

How many Marleys are still alive?

About 38,000 Marleys are alive in the US today. That's 99% of the roughly 38,000 babies named Marley since 1914.

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

What generation is the name Marley?

About half of living Marleys are in Gen Alpha, born in 2013 or later.

See all Gen Alpha names →

Is Marley an old name?

No. Marley is one of the youngest names around: younger than 85 in 100 names on AgeByName.

Looking ahead: if babies keep getting the name at today's pace, the typical Marley will be 30 in 2056, so the name is getting older.

Names that sound young →

Is Marley a boy or girl name?

Mostly a girl's name: 87% of living Marleys are women, and 14% are men.

The women average 14 and the men 15.

Names the same age as Marley

NAME TWIN

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

Other spellings: Marleigh (11)

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Questions about the name Marley

How old is the average Marley?

The average Marley in the US is 14 years old. The median is 13, so half are older and half younger.

How many people are named Marley?

About 38,000 Marleys are alive in the US today, out of roughly 38,000 babies given the name since 1914.

When was the name Marley most popular?

In 2008, when about 2,700 baby girls were named Marley.

Is Marley a Gen Alpha name?

Yes. About 53% of living Marleys are in Gen Alpha, born in 2013 or later.

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