AgeName

How old is someone named Keziah?

The average Keziah is 14 years old.

Half of all living Keziahs are between 5 and 20.

Estimated alive
5K
Median age
11
Peak year
2025
Mostly
Gen Alpha

Keziah has been rising for years and peaked in 2025, so most Keziahs are still kids.

Popular names of 2025 · The most popular names of the 2020s →

Show the numbers by decade
Babies named Keziah by decade, and how many are estimated alive today
Born inBabies bornAlive today
1970s58under 100
1980s135130
1990s420410
2000s1,1971,200
2010s1,6311,600
2020s1,6451,600

How many Keziahs are still alive?

About 5,000 Keziahs are alive in the US today. That's over 99% of the roughly 5,100 babies named Keziah since 1972.

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

What generation is the name Keziah?

More than half of living Keziahs are in Gen Alpha, born in 2013 or later.

See all Gen Alpha names →

Is Keziah an old name?

No. Keziah is one of the youngest names around: younger than 86 in 100 names on AgeByName.

Looking ahead: if babies keep getting the name at today's pace, the typical Keziah will be 25 in 2056, so the name is aging slowly.

Names that sound young →

Is Keziah a boy or girl name?

Mostly girls: 96.1% of living Keziahs are women.

Names the same age as Keziah

NAME TWIN

Keziah's name twin is Aya. Of all 3,713 names on AgeByName, Aya's age curve is the closest match to Keziah's: 93% alike.

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Questions about the name Keziah

How old is the average Keziah?

The average Keziah in the US is 14 years old. The median is 11, so half are older and half younger.

How many people are named Keziah?

About 5,000 Keziahs are alive in the US today, out of roughly 5,100 babies given the name since 1972.

When was the name Keziah most popular?

In 2025, when about 380 baby girls were named Keziah.

Is Keziah a Gen Alpha name?

Yes. About 56% of living Keziahs 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