The origin of the surname Herrera is the Villa of Pedraza.

the first with this name is Gonzalo Pelaez Herrera appearing as a witness to a deed in the year 1163.

Another reference is Don Esteban Herrera who accompanied King Ferdinand the "Holy" to the conquest of Seville in 1235.

Its origin is in this case occupational Herrero. north of the peninsula herrerias abounded as the origin of surname is not common.