Updated June 9, 2019 Share: Girl name origins & meanings Lithuanian : Graceful oneGaelic, Latin : Unity Girl name variations Oona Oona - 1% this year Neutral Rare Find out more Oonaugh Oonaugh 0 % this year Feminine Rare Find out more Oonagh Oonagh - 14% this year Feminine Rare Find out more Boy name origins & meanings Lithuanian : Graceful one How Popular Is The Name Ona