67%RatingSave Gender Feminine Usage Norwegian Meaning & History From the Old Norse name Hreiðunn, which was derived from the elements hreiðr "nest, home" and unnr "to wave, to billow". Related NamesFamily Tree·Details Other Languages & CulturesHreiðunn(Old Norse) PopularityDetails Last ranked #99 in 1969 Norway Name DaysName Days? Norway: July 28Sweden: May 9 Entry updated June 13, 2019