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Last name Sigurður (Sigurður , Sigurðr) , across the world, is an extremely rare surname. Predominantly, Sigurður is the forename as well as the last name.
Sigfússon, Stefánsson, Kjartansson, Pétursson, Guðmundsson, Grétarsson, Jóhannesson, Halldórsson, Hilmarsson, Friðriksson, Ingimarsson, Ágústsson, Ásgeirsson, Sigurjónsson, Steindórsson, Björgvinsson, Kristinsson, Ragnarsson, Gunnarsson, Haraldsson, Þórðarson, Sigurðarson, Sigmundsson, Sigurðsson, Þorleifsson, Þorsteinsson, Sæmundsson, Arnarson, Pálsson, Jónsson, Harðarson, Helgason, Hreinsson, Árnason, Magnússon, Sveinsson, Benediktsson, Bragason, Bjarnason, Karlsson, Rúnarsson, Guðjónsson, Gíslason, Jóhannsson, Traustason, Einarsson, Óskarsson, Ólafsson, Björnsson, and Kristjánsson