Padraig Mac Giolla-Domhnaigh

Jamison—This name is the anglicised form of McJames, a McDonald sept. It is also a sept of the Clan Gunn, and is also anglicised Jameson and Jamieson, in Gaelic Mac Sheumais. M'Keamish is a form found in the West and North of Scotland.

Alphabetical Index of Anglicised Surnames in Ireland

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