Padraig Mac Giolla-Domhnaigh

Anderson—MAC GIOLLA-AINDRAIS.—This name, found in most districts in Ulster and in Scotland, is the sept name descended from Farquhar Ross, also known as Mac An tSagart, son of Gille-anrias, from whom the Clan Ross took their name, descended from the O Beolans, the old Gaelic lords of Ross-shire. The other forms the name has assumed are Gilanders, Landrish, and McLandrish.

Alphabetical Index of Anglicised Surnames in Ireland

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