70%RatingSave Gender Masculine Usage Irish Meaning & HistoryExpand Links Modern Irish form of Tighearnán. Related NamesFamily Tree·Details RoottigernaVariantTiernanOther Languages & CulturesTighearnach, Tighearnán(Medieval Irish) Tigernach, Tigernán(Old Irish) PopularityDetails Last ranked #89 in 2006 Northern Ireland People think this name isRate·Details classic upper class wholesome strong strange complex serious Categories noble titles