58%RatingSave Gender Masculine Usage Norwegian Meaning & HistoryExpand Links From the Old Norse name Hallþórr, which meant "Thor's rock" from hallr "rock" combined with the name of the Norse god Þórr (see Thor). Related NamesFamily Tree·Details Rootshallr + ÞórrVariantHalldorOther Languages & CulturesHalldór(Icelandic) Hallþórr(Old Norse) People think this name isRate·Details classic mature formal strong rough strange serious Categories earth, mythology, Norway in the Eurovision Song Contest, stone, theophoric names