How old is someone named Brook?
The average Brook is 37 years old.
Half of all living Brooks are between 26 and 47.
When was Brook popular?
Parents have been choosing Brook less often since its peak in 1980; 47 babies got the name in 2025.
Popular names of 1980 · The most popular names of the 1980s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1910s | 17 | 0 |
| 1920s | 6 | 0 |
| 1930s | 41 | under 100 |
| 1940s | 95 | under 100 |
| 1950s | 275 | 200 |
| 1960s | 1,017 | 850 |
| 1970s | 2,787 | 2,600 |
| 1980s | 2,834 | 2,700 |
| 1990s | 3,428 | 3,400 |
| 2000s | 2,245 | 2,200 |
| 2010s | 989 | 980 |
| 2020s | 287 | 290 |
How many Brooks are still alive?
About 13,000 Brooks are alive in the US today. That's 94% of the roughly 14,000 babies named Brook since 1915.
Nearly every Brook ever born is still alive, because almost all of them are young.
What generation is the name Brook?
About one in three living Brooks are Millennials, born between 1981 and 1996.
- Boomer 5%
- Gen X 26%
- Millennial 35%
- Gen Z 27%
- Gen Alpha 7%
Is Brook an old name?
Somewhat. Brook is older than 61 in 100 names on AgeByName, but younger than plenty of classics.
Is Brook a boy or girl name?
Mostly a girl's name: 78% of living Brooks are women, and 22% are men.
The women average 34 and the men 45.
Names the same age as Brook
NAME TWIN
Brook's name twin is Tyron. Of all 3,713 names on AgeByName, Tyron's age curve is the closest match to Brook's: 89% alike.
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Questions about the name Brook
How old is the average Brook?
The average Brook in the US is 37 years old. The median is 36, so half are older and half younger.
How many people are named Brook?
About 13,000 Brooks are alive in the US today, out of roughly 14,000 babies given the name since 1915.
When was the name Brook most popular?
In 1980, when about 500 baby girls were named Brook.
Is Brook a Millennial name?
Partly. Millennials are the largest group, about 35% of living Brooks, but the name spans several generations.
Is Brook a boy or girl name?
Mostly a girl's name: 78% of living Brooks are women, and 22% are men. The women average 34 and the men 45.
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