40%RatingSave Gender Feminine Usage Old Norse [1] Meaning & HistoryExpand Links Old Norse form of Olaug. Related Names Rootsanu + laugSame SpellingOlaug PopularityDetails Last ranked #99 in 1958 Norway Categories ancestors, feminine, uncertain etymology, women Sources & References Viking Answer Lady Webpage, available from https://www.vikinganswerlady.com/ONNames.shtml.