Save Gender Feminine Usage Late Roman, Portuguese Meaning & HistoryExpand Links Feminine form of Firminus (see Firmin). Saint Firmina was a 3rd-century saint and martyr from Amelia or Civitavecchia in Italy. Related NamesFamily Tree·Details Masculine FormsFirminus(Late Roman) Firmino(Portuguese) Other Languages & CulturesFermina(Spanish) PopularityDetails Last ranked #914 in 1950 Brazil (by decade) Categories ends in -ina, ends in -mina, martyrs, saints, strength