Surname Helgason (Helgason 
) , globally, is quite a rare family name. The cognomen Helgason is habitual in Northern Europe, particularly Iceland, where it is a widespread surname, Denmark, where it is quite a rare surname, and Norway. Measured by absolute frequency, it is the most numerous in Iceland, Canada, and the United States.
| VARIANT | COUNTRY |
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| Helgason | Canada, Iceland, Sweden, United States, Denmark |
| hrólfur helgason 875 (b. 882) |
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| ósvífur helgason 950, IS (b. 954) |
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| einarr helgason 10th-century Icelandic skald (poet), IS (b. 960) |
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| ögmundur helgason (b. 1192) |
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| arnór helgason (b. 1197) |
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| finnbjörn helgason (b. 1204) |
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| árni helgason Roman Catholic bishop (1260-1320), IS (b. 1260) |
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| árni helgason Icelandic priest and parliamentarian (1777-1869), IS (b. 1777) |
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| þorsteinn helgason (b. 1806) |
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jón helgason Icelandic theologian who served as Bishop of Iceland from 1917 till 1939., IS (b. 1866) |
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| sölvi helgason 19th century Icelandic artist, philosopher and drifter (1820-1895), IS (b. 1820) |
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| helgi helgason (b. 1848) |
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sigurður helgason Icelandic mathematician, IS (b. 1927) |
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| jón helgason Icelandic merchant in Copenhagen (b. 1884) |
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| jón helgason Icelandic writer, IS (b. 1899) |
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