Padraig Mac Giolla-Domhnaigh

Edmundson—This name in Ulster is the anglicised form of McAimon, the other forms being McEdmond and M'Keeman, in Gaelic Mac Eamoinn, and the sept is a branch of the Clan Mac Gregor.

Alphabetical Index of Anglicised Surnames in Ireland

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