For Gazquez Martinez there are 10 on Yasni with different names.
Among the most common last names on Yasni Gazquez Martinez is on position 4517.
Because all Castilian surnames ending in "ez" meaning is "son of", alluding to the origin of the family of the named instance, is the son of Fernando Fernandez, Pere Perez's son (Peter), son of Sancho Sanchez, Vazquez is the son of Basque, is the son of Rodrigo Rodriguez etc, etc and so Gázquez is "Son of Gasco"
Patronymic surname, comes to mean "son of Martin."