58%RatingSave Gender Masculine Usage Irish Mythology Meaning & HistoryExpand Links Possibly an Irish form of Belenus, though it may derive from an Irish word meaning "sacred tree, scion, hero". In Irish mythology this was the name of one of the Milesians who was drowned while invading Ireland. Related Names User SubmissionBile People think this name isRate·Details classic mature formal upper class natural wholesome strong strange serious Categories brave, courage, family, greatness, isograms, mythology, plants, trees, uncertain etymology