Lamb; unique; one
Oonagh is an ancient Irish name derived from the word 'uan', meaning lamb. In Irish mythology, Oonagh was a Queen of the Fairies and the wife of Fionn mac Cumhaill, often associated with beauty and grace.
Fewer than 5 girls were named Oonagh in 2025.
US births per 5-year period, 1990–present (SSA data).
Queen of the Fairies in Irish folklore · Irish Mythology
Anglo-Irish socialite and member of the Guinness family
German singer and actress Senta-Sofia Delliponti
