De Halbhuidhe
de HALBHUIDHE—XI—de Holeweye, de Halee, Halvie, Halvey, Holloway, Holoway, etc.; Norman 'in le Halwye,' 'de Holeweye,' perhaps in the holy, or hollow, way (Middle English 'halowe,' 'halwe,' 'halghe,' holy); apparently an old surname in Ireland; there is a Ballyhallway in Co. Kildare. The Irish pronunciation is de Haluidhe.
Alphabetical Index to Irish Surnames