How old is someone named Allen?
The average Allen is 53 years old.
Half of all living Allens are between 36 and 70.
When was Allen popular?
Allen peaked in 1951 and has been given less and less ever since. Only 507 babies got the name in 2025.
Popular names of 1951 · The most popular names of the 1950s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 2,590 | 0 |
| 1910s | 11,670 | 0 |
| 1920s | 20,347 | 130 |
| 1930s | 24,567 | 3,200 |
| 1940s | 39,266 | 17,000 |
| 1950s | 47,528 | 31,000 |
| 1960s | 37,918 | 31,000 |
| 1970s | 21,819 | 20,000 |
| 1980s | 22,094 | 21,000 |
| 1990s | 17,045 | 16,000 |
| 2000s | 12,624 | 12,000 |
| 2010s | 8,864 | 8,800 |
| 2020s | 3,319 | 3,300 |
How many Allens are still alive?
About 160,000 Allens are alive in the US today. That's 60% of the roughly 270,000 babies named Allen since 1880.
Roughly half of all Allens ever born are still living.
What generation is the name Allen?
About one in three living Allens are Baby Boomers, born between 1946 and 1964.
Is Allen an old name?
Yes. Allen is older than 80 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Allen will be 56 in 2056, about the same as today.
Is Allen a boy or girl name?
Almost entirely boys: 99.4% of living Allens are men.
Names the same age as Allen
NAME TWIN
Allen's name twin is Thomas. Of all 3,713 names on AgeByName, Thomas's age curve is the closest match to Allen's: 96% alike.
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Questions about the name Allen
How old is the average Allen?
The average Allen in the US is 53 years old. The median is 57, so half are older and half younger.
How many people are named Allen?
About 160,000 Allens are alive in the US today, out of roughly 270,000 babies given the name since 1880.
When was the name Allen most popular?
In 1951, when about 5,200 baby boys were named Allen.
Is Allen a Boomer name?
Partly. Baby Boomers are the largest group, about 35% of living Allens, 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