60%RatingSave Gender Masculine Usage Late Roman Pronounced Pron. PEE-oos(Classical Latin) PIE-əs(English) [key] Meaning & History Late Latin name meaning "pious, dutiful". This was the name of twelve popes. See All Relations · Show Family TreeRelated Names Feminine FormPiaOther Languages & CulturesPio(Italian) Pio(Portuguese) Pío(Spanish) Categories Harry Potter characters, popes Entry updated July 2, 2017