D
- (Mayo County) Derrygarve
- (Mayo County) Derrew
- (Mayo County) Derrycleetagh
- (Mayo County) Derrycontoort
- (Mayo County) Drumcorrabaun
- (Mayo County) Derrowel
- (Mayo County) Drumadoon
- (Mayo County) Derrycreeve
- (Mayo County) Drumminracahill
- (Mayo County) Derreen
- (Mayo County) Derreen
- (Mayo County) Drumnaslooeen
- (Mayo County) Drumcorrabaun
- (Mayo County) Danganmore
- (Mayo County) Derrynagower
- (Mayo County) Drimneen
- (Mayo County) Derreennanalbanagh
- (Mayo County) Derreennawinshin
- (Mayo County) Derry
- (Mayo County) Doovilra
- (Mayo County) Dardeen
- (County Galway) Derraheeda
- (Mayo County) Dugort
- (Mayo County) Doogort
- (Mayo County) Derragh
- (Mayo County) Derragh
- (Mayo County) Derrykinlough
- (Mayo County) Derrybrack
- (Mayo County) Derryool
- (Mayo County) Derryclaha