33%RatingSave Gender Masculine Usage Norwegian (Rare) Meaning & HistoryExpand Links Variant of Haldor. Related NamesFamily Tree·Details Rootshallr + ÞórrOther Languages & CulturesHalldór(Icelandic) Hallþórr(Old Norse) Same SpellingHalldór PopularityDetails Last ranked #43 in 2016 Iceland Name DaysName Days? Norway: February 20