Padraig Mac Giolla-Domhnaigh

Rush—This name is found frequently in Co. Armagh, especially in the Fews, and is the anglicised form of O'Ruis, also found in Meath, Dublin and Wicklow. On the other hand it is the anglicised form of Loughry (O'Luachra) in Connacht, and of O'Foody (O'Fuada) in South and South-West Ulster

Alphabetical Index of Anglicised Surnames in Ireland

See also Woulfe’s Irish Names and Surnames
and O'Hart's Irish Pedigrees