77%RatingSave Gender Feminine Usage Swedish, Norwegian, Norse Mythology Pronounced Pron. /ˈsiːv/(Swedish) [key·simplify] Meaning & History From Old Norse Sif, which meant "bride, kinswoman". In Norse mythology she was the wife of Thor. After the trickster Loki cut off her golden hair, an angry Thor forced him to create a replacement. Related NamesFamily Tree·Details VariantsSiw(Swedish) Siw(Norwegian) Sif(Norse Mythology) Other Languages & CulturesSif(Danish) Sif(Icelandic) PopularityDetails Last ranked #100 in 1988 Norway People think this name isRate·Details classic common natural wholesome strong refined strange serious Name DaysName Days? Norway: September 6Sweden: March 8 Categories Aesir, family, goddesses, gold, hair, isograms, mythology, wives, women