D
- (County Monaghan) Derrylea
- (County Monaghan) Drumcoo
- (County Monaghan) Drumsmat Bridge
- (County Monaghan) Darraghlan
- (County Monaghan) Drumreask
- (County Monaghan) Drumgolat
- (County Monaghan) Drumneill
- (County Monaghan) Drumgoole
- (County Monaghan) Derrygola
- (County Monaghan) Dundian Cross Roads
- (County Monaghan) Derrylea
- (County Monaghan) Dernagola
- (County Monaghan) Derrygorry
- (An Cabhán) Derrynananta
- (An Cabhán) Drumcask
- (An Cabhán) Derrynacreve
- (An Cabhán) Dunglave
- (An Cabhán) Drumbrawn
- (An Cabhán) Denn Glebe
- (An Cabhán) Dowra
- (County Donegal) Drumkeen
- (County Monaghan) Doohamlat
- (County Donegal) Dunfanaghy
- (County Donegal) Dunkineely
- (County Donegal) Dungloe
- (County Donegal) Derrybeg
- (County Donegal) Donegal
- (County Donegal) Dunlewy