Cognomen Þorgilsson (Þorgilsson 
) , across the world, is a very rare family name. The surname Þorgilsson is characteristic of Northern Europe, particularly Iceland, where it is quite a rare surname.
| ari fróði þorgilsson Icelandic writer, IS (b. 1067) |
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| húnbogi þorgilsson (b. 1069) |
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