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Worldwide, Þorvaldur (Þorvaldur , Thorvaldur , Торвальд ) is a very rare primarily boy's, but very seldom feminine first name. The first name Þorvaldur is habitual in Northern Europe, particularly Iceland, where it is quite a common masculine name. Much less frequently, Þorvaldur is the last name as well as the forename.
Valdi, Ingvarsson, Halldórsson, Thoroddsen, Lúðvíksson, Guðmundsson, Sigurðsson, Þorsteinsson, Þorvaldsson, Þóroddsson, Ólafsson, Viktorsson, Einarsson, Guðjónsson, Böðvarsson, Bragason, Bollason, Árnason, Helgason, Hauksson, Jónsson, Jonsson, Arnarson, Sæmundsen, Yngvason, Færseth, Hafdal, Gylfason, Ásgeirsson, and Ingimundarson