53%RatingSave Gender Masculine Usage Spanish Pronounced Pron. /eu̯s.ˈta.kjo/ [key·simplify] Meaning & HistoryExpand Links Spanish form of Eustachius (see Eustace). Related NamesFamily Tree·Details Rootseu + stachysFeminine FormEustaquiaOther Languages & CulturesStaas(Dutch) Eustace(English) Eustache(French) Eustachio(Italian) Eustachius(Late Roman) Stace(Medieval English) Eustachy(Polish) Eustáquio(Portuguese (Brazilian)) Yevstakhiy(Ukrainian) Same SpellingEustáquio PopularityDetails Last ranked #766 in 1960 Brazil (by decade) Last ranked #401 in 1950 Spain (by decade) Name DaysName Days? Spain: September 20 Categories flora, food, fruits, goodness, plants, vegetables