De Bhailéis, De Bhailís, De Bhailis
de BHAILÉIS, de BHAILÍS, de BHAILIS—XII—le Waleys, le Waleis, the Walish, Wallis, Wallace, Walsh, etc.; i.e. 'the Welshman'; the Norman equivalent of the Irish Breathnach, which see.
Alphabetical Index to Irish Surnames