Padraig Mac Giolla-Domhnaigh

Hall—This name is an anglicised form of M'Call (Mac Chathail) a Scottish border sept, and variously anglicised as M'Hall, McAll, Kale, M'Kale, M'Gall, Magall, and Megall; the three latter names being written Mag Chathail, and principally found in Galloway and N.E. Ulster.

Alphabetical Index of Anglicised Surnames in Ireland

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