Brook is an established variant of Brooke that peaked in 1980 and has since faded.
Brook is predominantly a girl name. In 2025 it ranked #4,373 among girls (32) and #5,896 among boys (15) — overall #5,840 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 47 | 47 | #4,373 | #5,896 |
| 2024 | 37 | 37 | #5,477 | #6,237 |
| 2023 | 51 | 51 | #4,207 | #5,496 |
| 2022 | 43 | 43 | #4,395 | #7,339 |
| 2021 | 53 | 53 | #4,034 | #5,373 |
| 2020 | 56 | 56 | #3,556 | #6,024 |
| 2019 | 71 | 71 | #3,134 | #4,829 |
| 2018 | 56 | 56 | #3,625 | #6,082 |
| 2017 | 71 | 71 | #2,909 | #6,098 |
| 2016 | 95 | 95 | #2,289 | #6,790 |
| 2015 | 84 | 84 | #2,527 | #6,384 |
| 2014 | 77 | 77 | #2,788 | #5,770 |
| 2013 | 120 | 120 | #1,919 | #5,431 |
| 2012 | 137 | 137 | #1,735 | #5,066 |
| 2011 | 142 | 142 | #1,680 | #5,229 |
| 2010 | 136 | 136 | #1,798 | #4,380 |
| 2009 | 153 | 153 | #1,613 | #6,141 |
| 2008 | 187 | 187 | #1,417 | #4,922 |
| 2007 | 234 | 234 | #1,190 | #4,519 |
| 2006 | 212 | 212 | #1,235 | #5,103 |
| 2005 | 204 | 204 | #1,229 | #4,495 |
| 2004 | 205 | 205 | #1,216 | #4,027 |
| 2003 | 256 | 256 | #960 | #5,600 |
| 2002 | 212 | 212 | #1,094 | #4,343 |
| 2001 | 270 | 270 | #900 | #4,322 |
| 2000 | 312 | 312 | #811 | #2,747 |
| 1999 | 305 | 305 | #779 | #3,495 |
| 1998 | 367 | 367 | #675 | #3,104 |
| 1997 | 334 | — | #744 | #1,933 |
| 1996 | 352 | — | #695 | #2,077 |
| 1995 | 368 | — | #651 | #2,144 |
| 1994 | 394 | — | #635 | #1,777 |
| 1993 | 385 | — | #658 | #1,794 |
| 1992 | 351 | — | #693 | #2,007 |
| 1991 | 294 | — | #848 | #1,503 |
| 1990 | 278 | — | #870 | #1,568 |
| 1989 | 266 | — | #865 | #1,551 |
| 1988 | 248 | — | #897 | #1,451 |
| 1987 | 202 | — | #999 | #1,565 |
| 1986 | 203 | — | #1,013 | #1,365 |
| 1985 | 213 | — | #957 | #1,358 |
| 1984 | 231 | — | #875 | #1,199 |
| 1983 | 222 | — | #942 | #1,108 |
| 1982 | 321 | — | #679 | #1,165 |
| 1981 | 432 | — | #525 | #1,144 |
| 1980 | 496 | — | #503 | #938 |
| 1979 | 403 | — | #584 | #919 |
| 1978 | 326 | — | #632 | #1,080 |
| 1977 | 351 | — | #642 | #883 |
| 1976 | 345 | — | #637 | #825 |
| 1975 | 269 | — | #800 | #851 |
| 1974 | 257 | — | #825 | #825 |
| 1973 | 206 | — | #919 | #949 |
| 1972 | 217 | — | #939 | #869 |
| 1971 | 226 | — | #1,105 | #757 |
| 1970 | 187 | — | #1,390 | #779 |
| 1969 | 112 | — | #2,027 | #885 |
| 1968 | 119 | — | #1,575 | #884 |
| 1967 | 89 | — | #1,906 | #1,020 |
| 1966 | 118 | — | #1,492 | #916 |
| 1965 | 73 | — | #2,413 | #1,069 |
| 1964 | 89 | — | #2,415 | #960 |
| 1963 | 101 | — | #2,790 | #844 |
| 1962 | 103 | — | #2,934 | #823 |
| 1961 | 162 | — | #2,553 | #663 |
| 1960 | 51 | — | #3,716 | #1,252 |
| 1959 | 46 | — | #3,118 | #1,417 |
| 1958 | 23 | — | #4,551 | #2,105 |
| 1957 | 30 | — | #5,437 | #1,635 |
| 1956 | 36 | — | #3,198 | #1,683 |
| 1955 | 33 | — | #2,987 | #1,851 |
| 1954 | 27 | — | #3,176 | #2,121 |
| 1953 | 21 | — | #3,721 | #2,408 |
| 1952 | 22 | — | #3,837 | #2,163 |
| 1951 | 18 | — | #4,054 | #2,515 |
| 1950 | 19 | — | #3,693 | #2,452 |
| 1949 | 24 | — | #3,206 | #2,134 |
| 1948 | 12 | — | #4,239 | #3,738 |
| 1947 | 12 | — | — | #2,259 |
| 1946 | 7 | — | — | #2,946 |
| 1945 | 10 | — | — | #2,268 |
| 1944 | 7 | — | #3,728 | — |
| 1943 | 8 | — | — | #2,755 |
| 1941 | 10 | — | — | #2,352 |
| 1940 | 5 | — | — | #3,508 |
| 1939 | 7 | — | — | #2,861 |
| 1938 | 6 | — | — | #3,220 |
| 1937 | 6 | — | — | #3,214 |
| 1935 | 9 | — | — | #2,551 |
| 1932 | 8 | — | — | #2,877 |
| 1931 | 5 | — | #4,409 | — |
| 1929 | 6 | — | — | #3,603 |
| 1918 | 6 | — | — | #3,780 |
| 1916 | 6 | — | — | #3,554 |
| 1915 | 5 | — | — | #3,898 |