50%RatingSave Gender Masculine Usage Spanish Pronounced Pron. /feɾ.ˈmin/ [key·simplify] Meaning & HistoryExpand Links Spanish form of Firminus (see Firmin). Related NamesFamily Tree·Details Feminine FormFerminaOther Languages & CulturesFermin, Fermintxo, Mintxo(Basque) Firmin(French) Firminus(Late Roman) Firmin(Medieval English) Firmino(Portuguese) Same SpellingFermin PopularityDetails Last ranked #380 in 2000 Spain (by decade) Name DaysName Days? Spain: July 7 Categories illustrators, isograms, knights of the Spanish Golden Fleece