<Tr> <Th_colspan="2"> Other names </Th> </Tr> <Tr> <Th> Variant (s) </Th> <Td> Diaz (anglicized), Dias (Portuguese variant) </Td> </Tr> <P> Díaz is a common Spanish surname with multiple meanings in multiple languages . First found in Castile, where the name originated in the Visigoth period, the name accounts for about 0.17% of the Spanish population, ranking as the 14th-most frequently found surname in both 1999 and 2004 compared to the most popular Spanish surname of those years . </P> <P> There is minor evidence that Díez may be equivalent to Díaz, in the form of Spanish language listing of most frequent surnames in 1999 Spain (OcioTotal 1999). However, a 2008 in - press academic manuscript about Spanish naming in 2004 suggests otherwise, listing statistics for "Díaz" and "Díez" separately (Mateos & Tucker 2008). </P>

Where does the last name diaz originate from