Surnames: DA - FY
DA - DY
Dacey - Danahy Danceer - Davett Davey - Day
Dea - Deere Deering - Delaney Delap - Dennan
Dennehy - Dermot Dernin - Devilly Devin - Deyermott
Diamond - Dineen Dinerty - Dixon Doag - Dolohunty
Dolphin - Dondon Donegan - Donnegan Donnell Mac Donnell O
Donellan - Donohoe Donough - Doocey Doody - Doorish
Doorley - Dormer Dornan - Dowd Dowdall - Doyne
Dracot - Droghan Droinceat - Drynan Duan - Duglas
Duhig - Dunnigan Dunning - Duvick Dwane - Dyra
EA - EY
Eadie - Einri Eire - Ellistrum Ellmeel - Eneany
Enery - Erraught Errigle - Evinney Evoy - Eyre
FA - FY
Fadden - Falvey Fanagan - Farren Farrington - Feehan
Feeharry - Feley Feltus - Ferris Ferriter - Finlay
Finn - Firbis Fish - Flaherty Flahive - Flavelle
Flaverty - Flynn Fodaghan - Forlong Forranan - Frank