Meaning Pirjo is a girls name of Celtic origin, it means 'exalted one' and 'strong and protective'. Origin of Pirjo Celtic , Irish Popular Middle Names Pronunciation 🔊 Listen Pirjo PIH-RYow Similar Names Piritta Arieen Berget Bellicent Arleigh Iftin Afric Boudibiua Thames Samus Year by Year Popularity of Pirjo