De Ramsaigh
de RAMSAIGH—XI—de Ramsey, Ramesey, Ramsey, Ramsay; Norman 'de Ramsey,' i.e., of Ramsey, the name of more than one place in England. Though this surname is an old one in Ireland, most of those who now bear it are the descendants of late immigrants, who came hither from Scotland.
Alphabetical Index to Irish Surnames