56%RatingSave Gender Masculine Usage Ancient Greek [1] Scripts Εἰρηναῖος(Ancient Greek) Meaning & HistoryExpand Links Greek form of Irenaeus. Related NamesFamily Tree·Details RooteireneVariantsIrenaeus, IreneusFeminine FormsEirene, IreneOther Languages & CulturesIrénée(French) Ireneo(Italian) Ireneusz, Irek(Polish) Irinei, Iriney(Russian) Ireneo(Spanish) Categories Ancient Greek words, peace Sources & References Lexicon of Greek Personal Names, available from https://search.lgpn.ox.ac.uk/browse.html?facet-nymRef=Εἰρηναῖος.