Meaning Derived from Celtic, meaning 'fair' , 'beautiful'. Origin of Roisin Celtic , Irish Popular Middle Names Maria, Maureen Pronunciation 🔊 Listen Roisin KWIY-Vah Similar Names Teagahn Mea Bedelia Isabell Chastine Berget Arieen Tieasha Arleigh Keandra Year by Year Popularity of Roisin