33%RatingSave Gender Feminine Usage Norwegian Meaning & History From the Old Norse name Ólaug, derived from the elements anu "ancestor" and laug possibly meaning "vowed, promised, bound in oath". Related NamesFamily Tree·Details Rootsanu + laugOther Languages & CulturesÓlaug(Old Norse) Same SpellingÓlaug PopularityDetails Last ranked #99 in 1958 Norway Name DaysName Days? Norway: April 24 Categories ancestors, family, feminine, loyalty, pledge, uncertain etymology, women