De Báth
de BÁTH—XI—de Baa, de Bathe, Bath, Baith, Bates; i.e., 'of Bath,' in Somerset. This family came into Ireland about the time of the Anglo-Norman invasion and settled in Dublin, Meath and Louth. Many of the name held high offices under the English crown in the 14th and following centuries, until they lost their lands in the Cromwellian and Williamite confiscations.
Alphabetical Index to Irish Surnames