C
- (Wexford) Curragh
- (Wicklow) Carrycole
- (Wicklow) Chapel
- (Wicklow) Cronakip
- (Wicklow) Crois an Fhaoitigh
- (Wicklow) Crone Upper
- (Wicklow) Crone Lower
- (Wicklow) Coolafancy
- (Wexford) Creagh Upper
- (Wexford) Cummerduff
- (Wexford) Clonsilla West
- (Wexford) Coolintaggart
- (Wexford) Castleland
- (Wexford) Coolintaggarthill
- (Wicklow) Cloghnagaune
- (Wicklow) Celvinstown
- (County Carlow) Collmanagh Lower
- (County Carlow) Collmanagh Upper
- (Wicklow) Coolross
- (Wexford) Corragh
- (Wicklow) Cronyhorn Lower
- (Wicklow) Cronyhorn Upper
- (Wicklow) Crone
- (Wicklow) Cronelea
- (County Carlow) Coolalaw
- (County Carlow) Croneskagh Upper
- (County Carlow) Croneskagh Lower
- (Kildare) Carrigeen
- (Kildare) Conroy’s Cross Roads
- (Uíbh Fhailí) Cushina