AgeName

How old is someone named Brennen?

The average Brennen is 24 years old.

Half of all living Brennens are between 17 and 29.

Estimated alive
9K
Median age
23
Peak year
2009
Mostly
Gen Z

Brennen had one big moment, peaking in 2009. 60% of the babies ever named Brennen arrived in a single 15-year stretch.

Popular names of 2009 · The most popular names of the 2000s →

Show the numbers by decade
Babies named Brennen by decade, and how many are estimated alive today
Born inBabies bornAlive today
1960s42under 100
1970s171160
1980s671630
1990s2,5032,400
2000s3,7443,700
2010s1,8521,800
2020s234230

How many Brennens are still alive?

About 9,000 Brennens are alive in the US today. That's 98% of the roughly 9,200 babies named Brennen since 1962.

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

What generation is the name Brennen?

About two in three living Brennens are in Gen Z, born between 1997 and 2012.

See all Gen Z names →

Is Brennen an old name?

Not really. Brennen is younger than 62 in 100 names on AgeByName.

Names that sound young →

Is Brennen a boy or girl name?

Mostly boys: 98.1% of living Brennens are men.

Names the same age as Brennen

NAME TWIN

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

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Questions about the name Brennen

How old is the average Brennen?

The average Brennen in the US is 24 years old. The median is 23, so half are older and half younger.

How many people are named Brennen?

About 9,000 Brennens are alive in the US today, out of roughly 9,200 babies given the name since 1962.

When was the name Brennen most popular?

In 2009, when about 460 baby boys were named Brennen.

Is Brennen a Gen Z name?

Yes. About 63% of living Brennens are in Gen Z, born between 1997 and 2012.

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