English name meaning "small stream," from Old English broc, used as a nature-inspired given name.
Brook is among the most elemental of English names — literally a word for a small, flowing stream, derived from the Old English *broc*, which has cognates across the Germanic languages (*Bach* in German, *beek* in Dutch) and ultimately traces back to Proto-Germanic roots suggesting something that breaks through or bubbles up from the earth. As a place name, Brook appears across the English countryside wherever settlements grew up beside flowing water, and from those place names it migrated into family surnames, and from surnames eventually into use as a given name — the characteristic English path of noun to place to surname to first name. The name carries significant literary and cultural associations.
Rupert Brooke, the English poet who died in 1915 during the First World War, left behind a body of work defined by both romantic idealism and the shadow of his early death — his sonnet "The Soldier" remains one of the most anthologized poems in the English language. His name helped establish Brooke/Brook as something distinctly literary and English. In American music, Brook Benton was a soulful R&B and pop singer of the late 1950s and 1960s whose warm baritone made hits of "It's Just a Matter of Time" and "Rainy Night in Georgia."
Brook (without the final *e* that distinguishes the common American spelling Brooke) has a slightly more gender-neutral quality than its variant, used for both boys and girls with a gentle ease. Nature names have experienced sustained resurgence, and Brook fits the pattern perfectly: grounded, unforced, and quietly beautiful. It evokes clear water over stones — clean, perpetual, unhurried — and those associations have made it enduringly appealing to parents who want a name that feels both natural and refined.