How old is someone named Jeff?
The average Jeff is 60 years old.
Half of all living Jeffs are between 58 and 66.
When was Jeff popular?
Jeff was a boom name: it shot up, peaked in 1961, and dropped away. That's why most Jeffs are close to the same age.
Popular names of 1961 · The most popular names of the 1960s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 605 | 0 |
| 1910s | 1,532 | 0 |
| 1920s | 1,871 | under 100 |
| 1930s | 1,527 | 190 |
| 1940s | 5,909 | 2,700 |
| 1950s | 24,959 | 18,000 |
| 1960s | 62,219 | 50,000 |
| 1970s | 12,284 | 11,000 |
| 1980s | 3,814 | 3,600 |
| 1990s | 1,890 | 1,800 |
| 2000s | 1,518 | 1,500 |
| 2010s | 770 | 760 |
| 2020s | 258 | 260 |
How many Jeffs are still alive?
About 89,000 Jeffs are alive in the US today. That's 74% of the roughly 120,000 babies named Jeff since 1880.
Most Jeffs ever born are still alive.
What generation is the name Jeff?
More than half of living Jeffs are Baby Boomers, born between 1946 and 1964.
Is Jeff an old name?
Yes. Jeff is older than 90 in 100 names on AgeByName.
Is Jeff a boy or girl name?
Almost entirely boys: 99.8% of living Jeffs are men.
Names the same age as Jeff
NAME TWIN
Jeff's name twin is Doug. Of all 3,713 names on AgeByName, Doug's age curve is the closest match to Jeff's: 91% alike.
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Questions about the name Jeff
How old is the average Jeff?
The average Jeff in the US is 60 years old. The median is 63, so half are older and half younger.
How many people are named Jeff?
About 89,000 Jeffs are alive in the US today, out of roughly 120,000 babies given the name since 1880.
When was the name Jeff most popular?
In 1961, when about 9,500 baby boys were named Jeff.
Is Jeff a Boomer name?
Yes. About 59% of living Jeffs 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