first name
BROOK
of 53,615 first names recorded in the 2020 Census
Of the 14,890 people named Brook, 81.7% reported their origin as White, 7.3% as Black and 5% as Hispanic or Latino. 79.4% are female. These count how people described themselves on the 2020 Census, not where the name comes from.
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Brook peaked in 1980, when 496 babies got the name.
At least 14,021 babies have been given the name since 1915. Years SSA withheld, because fewer than 5 were born, are skipped rather than drawn as zero. * 2025 is the newest year published and it undercounts: a card application is filed some time after a birth.
Brook by decade
Among all names given to American babies, its best decade was the 1970s, when it ranked #1,080. The largest share of babies named Brook, 33.9%, were born between 1981 and 1996, as millennials.
Rank counts both sexes together, among every name SSA recorded that decade; the number under it is births. The 2020s run only to 2025. Generation years follow Pew Research Center, which has not named a generation after 2012.
Where Brook is most common
Compared with all babies born in each state since 1910, Brook has been most common in Utah (3.3×), Idaho (2.6×), and Oregon (2.4×), and least common in New Jersey (0.17×).
8,161 births recorded by state, 1910–2025. 2× means twice as common as nationally. States with fewer than 30 such births are left blank, and SSA withholds any year with fewer than 5 in a state, so small states read low.
Either side of Brook
Spelled almost the same
4 first names in the 2020 Census spelled within a letter or two of Brook, most common first.
Also a last name
As a last name, Brook ranks #7,910 of 156,621, with 4,025 people. See Brook as a last name
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🔎 BROOK 🟦🟦🟦🟦🟦🟦🟦🟦⬜⬜ 1 in 20,284 Americans Rarer than 77.6% of us Peaked in 1980 with 496 babies Beat that 👇 https://howrareismy.name/first/brook/