45%RatingSave Gender Masculine Usage Welsh Mythology Meaning & HistoryExpand Links Probably a Welsh derivative of Belenus. Beli Mawr was a Welsh ancestor deity who established several royal lines in Wales. Related NamesFamily Tree·Details Other Languages & CulturesBelenos, Belenus(Gaulish Mythology) User SubmissionBeli People think this name isRate·Details modern youthful informal common wholesome delicate strange simple comedic Categories ancestors, deities, gods, isograms, moons, moons of Saturn, mythology