Brook is a girl's name of English origin meaning “Small stream.” With 1 syllable, it is short and easy to say. Common nicknames include Bro. As of 2026, Brook ranks #928 among girls' names in the United States and has held a steady level of popularity. Its highest US ranking was #445 in 1980.
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brook
Phonetic spelling
Currently #928 among US baby names.
* Based on US Social Security Administration birth-registration data
Brook means “Small stream.” It is a girl's name of English origin.
Brook is pronounced brook.
Brook is most commonly used as a girl's name.
Brook currently ranks #928 among girls' names in the United States.
Popular nicknames for Brook include Bro.
Middle names that pair well with Brook include Brook Rose, Brook Grace, Brook Marie, Brook Jane.
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