Meaning This name means 'descendant of Nuallain', may also be an alternative name for Una, the king of the fairies in Irish mythology. Origin of Nuala Celtic , Irish Popular Middle Names Pronunciation 🔊 Listen Nuala noo-lah Similar Names Kaycee Cassey Shaylynn Avery Ona Oonagh Finvarra Kaylaugh Niamh Falon Year by Year Popularity of Nuala