When Antonio Diaz Lopez was born on 29 August 1916, in Irapuato, Guanajuato, Mexico, his father, Ramon Diaz, was 26 and his mother, Isabel Lopez Ruiz, was 21. He died in March 1944, at the age of 27.
Some characteristic forenames: Spanish Jose, Juan, Carlos, Luis, Manuel, Jesus, Francisco, Jorge, Rafael, Miguel, Pedro, Roberto.
Spanish (Díaz): patronymic from the medieval personal name Didacus (see Diego ).
Jewish (Sephardic): adoption of the Spanish surname (see 1 above) at the moment of conversion to Roman Catholicism. After the return to Judaism (generations later), some descendants retained the name their families used as Catholics.