63%RatingSave Gender Masculine Usage Portuguese, Italian (Rare) Meaning & HistoryExpand Links Portuguese and Italian form of Firmin. Related NamesFamily Tree·Details Other Languages & CulturesFermin, Fermintxo, Mintxo(Basque) Firmin(French) Firminus(Late Roman) Firmin(Medieval English) Fermín(Spanish) PopularityDetails Last ranked #690 in 1960 Brazil (by decade) Name DaysName Days? Italy: October 11