How old is someone named Eithan?
The average Eithan is 4 years old.
Half of all living Eithans are between 1 and 4.
When was Eithan popular?
Eithan has been rising for years and peaked in 2025, so most Eithans are still kids.
Popular names of 2025 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1980s | 7 | under 100 |
| 1990s | 56 | under 100 |
| 2000s | 345 | 340 |
| 2010s | 1,091 | 1,100 |
| 2020s | 7,255 | 7,200 |
How many Eithans are still alive?
About 8,700 Eithans are alive in the US today. That's over 99% of the roughly 8,800 babies named Eithan since 1989.
Nearly every Eithan ever born is still alive, because almost all of them are young.
What generation is the name Eithan?
About nine in ten living Eithans are in Gen Alpha, born in 2013 or later.
Is Eithan an old name?
No. Eithan is one of the youngest names around: younger than 100 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Eithan will be 18 in 2056, so the name is aging slowly.
Is Eithan a boy or girl name?
Almost entirely boys: over 99.9% of living Eithans are men.
Names the same age as Eithan
NAME TWIN
Eithan's name twin is Callahan. Of all 3,713 names on AgeByName, Callahan's age curve is the closest match to Eithan's: 78% alike.
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Questions about the name Eithan
How old is the average Eithan?
The average Eithan in the US is 4 years old. The median is 2, so half are older and half younger.
How many people are named Eithan?
About 8,700 Eithans are alive in the US today, out of roughly 8,800 babies given the name since 1989.
When was the name Eithan most popular?
In 2025, when about 3,600 baby boys were named Eithan.
Is Eithan a Gen Alpha name?
Yes. About 93% of living Eithans 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