How old is someone named Dewey?
The average Dewey is 63 years old.
Half of all living Deweys are between 52 and 77.
When was Dewey popular?
Dewey peaked in 1898 and has been given less and less ever since. Only 28 babies got the name in 2025.
The most popular names of the 1900s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 1,359 | 0 |
| 1910s | 3,028 | 0 |
| 1920s | 7,370 | under 100 |
| 1930s | 5,432 | 650 |
| 1940s | 5,410 | 2,300 |
| 1950s | 3,842 | 2,500 |
| 1960s | 2,627 | 2,100 |
| 1970s | 1,635 | 1,500 |
| 1980s | 921 | 860 |
| 1990s | 492 | 470 |
| 2000s | 317 | 310 |
| 2010s | 234 | 230 |
| 2020s | 166 | 170 |
How many Deweys are still alive?
About 11,000 Deweys are alive in the US today. That's 32% of the roughly 35,000 babies named Dewey since 1887.
Most Deweys ever born have died: the name was most popular in 1898, long enough ago that many of those babies are gone.
What generation is the name Dewey?
About two in five living Deweys are Baby Boomers, born between 1946 and 1964.
Is Dewey an old name?
Yes. Dewey is older than 92 in 100 names on AgeByName.
Is Dewey a boy or girl name?
Almost entirely boys: 99.5% of living Deweys are men.
Names the same age as Dewey
NAME TWIN
Dewey's name twin is Eugene. Of all 3,713 names on AgeByName, Eugene's age curve is the closest match to Dewey's: 95% alike.
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Questions about the name Dewey
How old is the average Dewey?
The average Dewey in the US is 63 years old. The median is 66, so half are older and half younger.
How many people are named Dewey?
About 11,000 Deweys are alive in the US today, out of roughly 35,000 babies given the name since 1887.
When was the name Dewey most popular?
In 1898, when about 1,200 baby boys were named Dewey.
Is Dewey a Boomer name?
Partly. Baby Boomers are the largest group, about 43% of living Deweys, 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