How old is someone named Eileen?
The average Eileen is 62 years old.
Half of all living Eileens are between 55 and 76.
When was Eileen popular?
Eileen peaked in 1947 and has been given less and less ever since. Only 437 babies got the name in 2025.
Popular names of 1947 · The most popular names of the 1940s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 1,351 | 0 |
| 1910s | 12,718 | 0 |
| 1920s | 28,623 | 500 |
| 1930s | 22,349 | 4,800 |
| 1940s | 34,803 | 20,000 |
| 1950s | 36,648 | 29,000 |
| 1960s | 24,926 | 22,000 |
| 1970s | 7,932 | 7,400 |
| 1980s | 5,696 | 5,500 |
| 1990s | 4,109 | 4,000 |
| 2000s | 3,801 | 3,800 |
| 2010s | 3,836 | 3,800 |
| 2020s | 2,709 | 2,700 |
How many Eileens are still alive?
About 100,000 Eileens are alive in the US today. That's 54% of the roughly 190,000 babies named Eileen since 1882.
Roughly half of all Eileens ever born are still living.
What generation is the name Eileen?
About half of living Eileens are Baby Boomers, born between 1946 and 1964.
Is Eileen an old name?
Yes. Eileen is older than 91 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Eileen will be 52 in 2056, so its average age will actually fall, as the youngest Eileens make up more of the total.
Is Eileen a boy or girl name?
Almost entirely girls: 99.8% of living Eileens are women.
Names the same age as Eileen
NAME TWIN
Eileen's name twin is Helene. Of all 3,713 names on AgeByName, Helene's age curve is the closest match to Eileen's: 93% alike.
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Questions about the name Eileen
How old is the average Eileen?
The average Eileen in the US is 62 years old. The median is 67, so half are older and half younger.
How many people are named Eileen?
About 100,000 Eileens are alive in the US today, out of roughly 190,000 babies given the name since 1882.
When was the name Eileen most popular?
In 1947, when about 4,300 baby girls were named Eileen.
Is Eileen a Boomer name?
Yes. About 51% of living Eileens are Baby Boomers, born between 1946 and 1964.
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