Nederlandse Familienamenbank

Naam 
Dias < Diaz
Lopes Dias
Vas Dias

naamsvermeldingen en literatuurreferenties:

• Portuguese and Spanish: patronymic from the medieval personal name Didacus (genitive Didaci). Compare Diego. This name is also common in the former Portuguese colony of Goa and elsewhere on the west coast of India, having been taken there by Portuguese settlers [DAFN, vol. 1, p 455].
• Diaz, Dias, de Jas:  Patr. Sp.-Port. VN Diaz: Jacob (VS 1981,325). 1535 Rodrigo Dyas, Portugal-Aw. (AP); 1552 Jan Dias, meester van den schepe señora de Luz, Aw. (VS 1981,595); 1559 Mich. Dias, Lissabon-Aw. (AP).  [WFB2]
• Diaz, Dias: Patr. Sp.-Port. VN Diaz `Jakob'. 1535 Rodrigo Dyas, Portugal-Antwerpen (WF).   [WFZ]

afkortingen en bibliografische notaties: