Save Gender Feminine Usage Spanish Pronounced Pron. /eu̯s.ˈta.kja/ [key·simplify] Meaning & HistoryExpand Links Spanish feminine form of Eustachius (see Eustace). Related NamesFamily Tree·Details Rootseu + stachysMasculine FormEustaquioOther Languages & CulturesEustacia, Stacia(English) PopularityDetails Last ranked #411 in 1920 Spain (by decade) Categories feminine forms, food, fruits, goodness, nature, plants, vegetables