De Híde
de HÍDE—XI—de Hyda, Hyde; Norman 'de Hyda,' i.e., of Hyde, a market town in Cheshire (other places of the name in Gloucestershire and Hampshire); or it may be English 'atte Hide,' i.e., at the hide, a measure of land, from residence therein. The surname is of record in Ireland since the 13th century. Compare with Dalaithíd.
Alphabetical Index to Irish Surnames