AgeName

How old is someone named Marianna?

The average Marianna is 29 years old.

Half of all living Mariannas are between 12 and 41.

Estimated alive
14.6K
Median age
22
Peak year
2006
Mostly
Gen Z

Most of the Mariannas in the country were born in the last 15 years. The name peaked in 2006 and is still near the top.

Popular names of 2006 · The most popular names of the 2000s →

Show the numbers by decade
Babies named Marianna by decade, and how many are estimated alive today
Born inBabies bornAlive today
1900s1310
1910s7040
1920s1,254under 100
1930s972210
1940s1,007570
1950s1,029800
1960s927820
1970s774730
1980s1,011980
1990s1,9962,000
2000s3,4983,500
2010s3,1563,100
2020s1,9201,900

How many Mariannas are still alive?

About 15,000 Mariannas are alive in the US today. That's 79% of the roughly 18,000 babies named Marianna since 1883.

Most Mariannas ever born are still alive.

What generation is the name Marianna?

About one in three living Mariannas are in Gen Z, born between 1997 and 2012.

See all Gen Z names →

Is Marianna an old name?

Somewhat. Marianna is older than 50 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 Marianna will be 35 in 2056, so the name is aging slowly.

Names that sound old →

Is Marianna a boy or girl name?

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

Names the same age as Marianna

NAME TWIN

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

Other spellings: Mariana (20)

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Questions about the name Marianna

How old is the average Marianna?

The average Marianna in the US is 29 years old. The median is 22, so half are older and half younger.

How many people are named Marianna?

About 15,000 Mariannas are alive in the US today, out of roughly 18,000 babies given the name since 1883.

When was the name Marianna most popular?

In 2006, when about 420 baby girls were named Marianna.

Is Marianna a Gen Z name?

Partly. Gen Z are the largest group, about 35% of living Mariannas, 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