77%RatingSave Gender Masculine Usage Italian Pronounced Pron. /kal.ˈli.sto/ [key·simplify] Meaning & HistoryExpand Links Italian form of Callistus. Related NamesFamily Tree·Details RootkalosOther Languages & CulturesKallistos(Ancient Greek) Calixte(French) Callistus, Calixtus, Callixtus(Late Roman) Calisto, Calixto(Portuguese) Calisto, Calixto(Spanish) Same SpellingCallisto 2 People think this name isRate·Details classic formal upper class wholesome strong refined strange complex serious Name DaysName Days? Italy: October 14 Categories beautiful, beauty