Brook
Gender-neutral name · English · Old English
Meaningsmall stream · English
- US rank
- #4,352
- Syllables
- 1
- Peak
- #503 in 1980
32 babies were named Brook in the US in 2025. It has dropped 806 places in five years.
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US births per million girls, 1931–2025
US births per million boys, 1915–2025
Similar names
Popularity: U.S. Social Security Administration (babies with 5+ births per year).
Did you know?
A few things about Brook you might not know, from US birth records. Handy for convincing a partner, or a grandparent.
- How commonAbout 1 in every 50,251 baby girls born in the US in 2025 was named Brook, 32 babies in all. In a typical school of 500 kids, your Brook would very likely be the only one.
- HistoryBrook first shows up in US birth records in 1915, the first year at least 5 babies got it. It has been in use for 110 years since.
- Best yearIt was far more popular in 1980, when it ranked #503. Today it's #4,352, so it could be due a comeback.
- Then vs nowBrook was 7.7× more common in 2000 than it is today. In 2000 it was given to about 1 in 6,510 baby girls; in 2025, about 1 in 50,251.
- TrendBrook has slipped 806 places over the last five years and now sits at #4,352. Good news if you want a familiar name that fewer kids will share.
- Boy or girlBrook is given to both boys and girls: 68% of the 47 babies named Brook in 2025 were girls. That makes it one of the names that truly works for either.
- MeaningIn English, Brook means “small stream”. Our records link it to English and Old English roots.
About the name Brook
Brook is a gender-neutral name of English and Old English origin meaning “small stream”. It has 5 letters and 1 syllable, starting with B and ending in “-ook”. US birth records list Brook for girls from 1931 to 2025, in 80 of those 95 years. Its best year was 1980, when it ranked #503 among girl names. In 2025 it ranked #4,352, with 32 babies. Of the 47 US babies named Brook in 2025, 68% were girls and 32% were boys.
Origin:English namesOld English names
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1930s | 0.5 | 1,914,894 girls |
| 1940s | 1.6 | 632,911 girls |
| 1950s | 5.6 | 179,856 girls |
| 1960s | 18 | 57,110 girls |
| 1970s | 121 | 8,239 girls |
| 1980s | 131 | 7,621 girls |
| 1990s | 168 | 5,964 girls |
| 2000s | 111 | 8,990 girls |
| 2010s | 47 | 21,209 girls |
| 2020s | 20 | 48,900 girls |
| Decade | Babies per million | About 1 in |
|---|---|---|
| 1910s | 3.7 | 270,270 boys |
| 1920s | 0.6 | 1,785,714 boys |
| 1930s | 3.4 | 297,619 boys |
| 1940s | 4.6 | 215,517 boys |
| 1950s | 8.2 | 122,100 boys |
| 1960s | 37 | 27,322 boys |
| 1970s | 56 | 17,787 boys |
| 1980s | 32 | 30,969 boys |
| 1990s | 21 | 46,620 boys |
| 2000s | 9.7 | 102,669 boys |
| 2010s | 8.6 | 116,550 boys |
| 2020s | 8.5 | 117,878 boys |
Other spellings of Brook
More English names
- Girl name: Olivia · olive tree
- Girl name: Charlotte · free
- Boy name: Oliver · olive tree
- Boy name: Henry · ruler of the home
- Unisex name: James · supplanter
- Boy name: William · resolute protector
- Boy name: Benjamin · son of the right hand
- Boy name: Jack · God is gracious
Questions about the name Brook
What does the name Brook mean?
Brook means “small stream” in English.
What is the origin of the name Brook?
Brook has English, Old English roots in our records. Other English names include Olivia, Charlotte, Oliver.
Is Brook a boy or girl name?
Both. Brook is used for boys and girls: in 2025, 68% of US babies named Brook were girls.
How popular is the name Brook?
Brook ranked #4,352 for US girls in 2025, given to 32 babies. Its best year was 1980 (#503).