In most spanish-speaking countries, married women legally adopt their husbands' surnames retain their maiden surnames in the name maría antonia abad fernández, abad is the paternal surname maternal surname if lourdes blanco cabrera marries carlos arias delgado, she could present herself as lourdes cabrera de delgado lourdes blanco de arias in the name luis felipe gonzález y pérez, pérez is the paternal surname maternal surname