Quilliam - Anglicised Surnames in Ireland

Padraig Mac Giolla-Domhnaigh
1923

Quilliam—This name is the anglicised form of McWilliams, the Dumbarton Co. sept. The Scottish forms of the name are M'Killiams, M'Illiams, Williamson, and M'Quilliams (Mac Uilliam).

Alphabetical Index of Anglicised Surnames in Ireland

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