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Dictionary of Medieval Names
from European Sources
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Thora f. Old Norse Þórr, the name of the god of thunder, deriving from Proto-Germanic *þunraz 'thunder'.

The name of an 11th C queen consort of Norway.

Thora was originally a nickname of any of various Old Norse names beginning with Þórr-, but very quickly became used as an independent, stand-alone name.

Sweden
Middle Norwegian
● 1383 Thora SRA-vol2 no. 1915
Cite as: J. Uckelman, S.L. Uckelman. "Thora". In S.L. Uckelman, ed. The Dictionary of Medieval Names from European Sources, Edition 2015, no. 2. http://dmnes.org/2015/2/name/Thora.