Máire

Máire Brennan (sometimes she spells it Moya) is an Irish folk music singer, often singing in Irish Gaelic. She's the sister of Enya.

Indeed, Máire Ní Bhraonain is Enya's sister. Máire is the voice of Clannad, an Irish band. She recently changed her name from Máire to Moya, because that names is more easy to pronounce.