Diaz
Díaz is a common Spanish surname meaning "son of Diago" variant of Diego. first found in Castile, where the name originated in Visigoths period. The name accounts for ~0.74% of the Spanish population, ranking 14th most frequently found surname in both 1999 and 2004 (Mateos & Tucker 2008, OcioTotal 1999). Compared to the most popular Spanish surname of those years, García, which accounted for ~3.48% of the population.
Read more about Diaz: Variants and Related Names, Usage, Notable People Sharing The Surname