The name Bronx means Bronck's Land and is of American origin. Bronx is name that's been used by parents who are considering unisex or non-gendered baby names--baby names that can be used for any gender.
Borough of New York City. One of the very first European settlers of the Bronx area of New York was Jonas Bronck. His land was called "Bronck's Land" and eventually shortened to Bronck's or The Bronx.