Last name Magnusson (Manson 
, Magnusson 
, Magnuson ) , around the globe, is a common cognomen. The last name Magnusson is characteristic of Iceland, where it is a widespread surname, Sweden, where it is a common surname, and Reunion, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, the name is most common in Sweden, the United States, and the United Kingdom. Much less frequently, Magnusson is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Manson | Australia, Canada, Sweden, United Kingdom, United States |
| Magnusson, Magnuson | Canada, Sweden, Iceland, United Kingdom, United States |
| Магнуссон | Russia, Ukraine |
Magnusdottir, Magnusen, Magnussen, Magnussøn, Magnùsson, Magnúsdóttir, Magnússon, Магнуссен, and מגנוסון
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olav magnusson king of Norway in 1103–1115, NO (b. 1099) |
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inge magnusson Pretender to the Norwegian throne, NO (b. 1185) |
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| bengt magnusson (1194-1237), SE (b. 1150) |
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| eskil magnusson Swedish politician, SE (b. 1175) |
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| sigurd magnusson Norwegian noble (b. 1180) |
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| knut magnusson Swedish politician, SE (b. 1200) |
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håkon v magnusson King of Norway, NO (b. 1270) |
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birger magnusson King of Sweden, SE (b. 1280) |
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erik magnusson Duke of Svealand, Södermanland, Dalsland, Västergötland, Värmland and North Halland and heir to the throne of Sweden, SE (b. 1282) |
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| bengt magnusson Swedish politician, SE (b. 1250) |
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| knut magnusson (b. 1250) |
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| olav magnusson (1262-1267) (b. 1262) |
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| magnus magnusson (1264-1264) (b. 1264) |
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| valdemar magnusson Duke of Finland, SE (b. 1285) |
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erik magnusson av sverige Swedish king (1339–1359), SE (b. 1339) |
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