Cognomen Másson (Másson 
) , globally, is a very rare family name. The cognomen Másson is habitual in Northern Europe, particularly Iceland, where it is quite a common surname.
| VARIANT | COUNTRY |
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| Másson | Iceland |
| hafliði másson Icelandic goði and chieftain (b. 1035) |
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| áskell másson Icelandic composer, IS (b. 1953) |
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| gunnar már másson association football player (b. 1971) |
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| sigursteinn másson (b. 1967) |
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| gísli másson researcher ORCID ID = 0000-0003-0493-8242 |
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| már másson researcher |
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| gísli másson Ph.D. Massachusetts Institute of Technology 1991 |
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| einar másson |
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| bergþór másson IS (b. 1995) |
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| snorri másson IS (b. 1997) |
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