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Dictionary of Medieval Names
from European Sources
☙

Styrbiorn m. Old Norse styrr 'tumult, uproar' + Old Norse bjǫrn 'bear'.

One Styrbiorn appears in 10th C Swedish legend as the name of a prince and hero; Lind argues that his name is in fact Biorn (cf. Bjorn) with a prepended byname styrr. However, the prototheme appears in other compounds, making it more likely that Styrbiorn is an ordinary dithematic Scandinavian name.

Sweden
Latin
● 1350 Styrbyorna (gen) SDHK no. 6010
Old Swedish
● 1379 Størbyorn (nom) SDHK no. 11542
Cite as: S.L. Uckelman. "Styrbiorn". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2020, no. 1. http://dmnes.org/2020/1/name/Styrbiorn.