The name Brook is of Old English origin. It comes from a surname, which denoted a person who lived near a brook or stream.
Famous bearers
Bearers of the surname include Michael Brook (born 1951), a Canadian guitarist, producer, and composer;
Jayne Brook (born 1962), an American actress;
Kelly Brook (born 1979), an English model, actress, and television presenter;
Holly Brook (born 1986), an American multi-instrumental singer and songwriter.