Oona

Oona \o(o)-na\ as a girl's name is pronounced OO-nah. It is of Scottish, Irish and Gaelic origin. Variant of Una (Latin) "one". Playwright Eugene O'Neill gave this name to his daughter. Oona has 2 variant forms: Oonagh and Una. For more information, see also the related name Agnes. Baby names that sound like Oona are Oonah, Iona, Yona and Jona. View a list of the 3 names that reference Oona.