Padraig Mac Giolla-Domhnaigh

Barnes—Barnes is the anglicised form of O Bearain in N. Connacht, and has been also assumed by some of the O'Byrne sept. Barnes itself is of Norse origin, and is found in Cumberland, Westmoreland, and Lancashire, and was written in Norse, Björn.

Alphabetical Index of Anglicised Surnames in Ireland

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