How old is someone named Keith?
The average Keith is 54 years old.
Half of all living Keiths are between 44 and 66.
When was Keith popular?
Keith peaked in 1957 and has been given less and less ever since. Only 311 babies got the name in 2025.
Popular names of 1957 · The most popular names of the 1950s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 289 | 0 |
| 1910s | 3,455 | 0 |
| 1920s | 11,030 | under 100 |
| 1930s | 13,961 | 1,800 |
| 1940s | 25,994 | 12,000 |
| 1950s | 91,546 | 62,000 |
| 1960s | 113,110 | 91,000 |
| 1970s | 77,159 | 69,000 |
| 1980s | 53,046 | 50,000 |
| 1990s | 28,464 | 27,000 |
| 2000s | 12,551 | 12,000 |
| 2010s | 7,086 | 7,000 |
| 2020s | 2,334 | 2,300 |
How many Keiths are still alive?
About 330,000 Keiths are alive in the US today. That's 76% of the roughly 440,000 babies named Keith since 1888.
Most Keiths ever born are still alive.
What generation is the name Keith?
About one in three living Keiths are Gen Xers, born between 1965 and 1980.
Is Keith an old name?
Yes. Keith is older than 82 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Keith will be 69 in 2056, so the name is getting older.
Is Keith a boy or girl name?
Almost entirely boys: 99.5% of living Keiths are men.
Names the same age as Keith
NAME TWIN
Keith's name twin is Gregory. Of all 3,713 names on AgeByName, Gregory's age curve is the closest match to Keith's: 94% alike.
Compare: Kevin vs. Keith
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Questions about the name Keith
How old is the average Keith?
The average Keith in the US is 54 years old. The median is 56, so half are older and half younger.
How many people are named Keith?
About 330,000 Keiths are alive in the US today, out of roughly 440,000 babies given the name since 1888.
When was the name Keith most popular?
In 1957, when about 12,000 baby boys were named Keith.
Is Keith a Gen X name?
Partly. Gen X are the largest group, about 36% of living Keiths, 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