Family name Adalsteinsson (Adalsteinsson 
) , around the globe, is a rare cognomen. The family name Adalsteinsson is habitual in Northern Europe, particularly Iceland, where it is a common surname, Denmark, where it is a rare surname, and Norway. Not in comparison with a country's population, it most frequently occurs in Iceland, Denmark, and the United States. Much less frequently, Adalsteinsson is the forename as well as the last name.
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| Adalsteinsson | Austria, Denmark, Sweden, Iceland, United States |
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arnór sveinn adalsteinsson footballer, IS (b. 1986) |
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| bjorn t adalsteinsson researcher (ORCID 0000-0001-9777-1714) |
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| jonas adalsteinsson researcher |
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| solny a adalsteinsson U.S. zoologist |
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| david adalsteinsson Ph.D. University of California, Berkeley 1995 |
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Mr, Elfar, Erpur, Einar, Hakon, Helgi, Odinn, Monica, Sigrun, Sigfus, Stefan, Snorri, Burkni, Ragnar, Gunnar, Lauren, Thorir, Ellert, Heidar, Hordur, Viktor, Fannar, Tomas, Jonas, Linda, Gudni, Bui, Kim, Jon, Orn, Axel, Carl, Kyle, Pall, Paul, Gail, Olafur, Jón, Susan, Solny, Andri, Arnor, Amber, Agnar, Cindy, Bjorn, Bjorg, David, Evan, and Suzanne