46%RatingSave Gender Masculine Usage Biblical Greek Scripts Θαδδαῖος(Ancient Greek) Meaning & HistoryExpand Links Greek form of Thaddeus. Related NamesFamily Tree·Details Other Languages & CulturesThaddaeus, Thaddeus(Biblical) Thaddeus(Biblical Latin) Tadija(Croatian) Tadeáš(Czech) Thaddeus, Tad, Thad(English) Taddeo(Italian) Tadas(Lithuanian) Tadeusz(Polish) Tadeu(Portuguese) Faddei, Faddey(Russian) Tadija(Serbian) Tadeáš(Slovak) Tadej(Slovene) Tadeo(Spanish) Categories heart, variants