C
- (County Galway) Cappanaghtan
- (County Galway) Carhoon
- (County Galway) Caraunduff
- (County Galway) Carrowkeel
- (County Galway) Cloonlee
- (County Galway) Craughwell
- (County Galway) Clonfert Cross Roads
- (County Galway) Cankilly
- (County Galway) Caherakilleen
- (County Galway) Cahernagarry
- (County Galway) Carra
- (County Galway) Cloonmain
- (County Galway) Caraun
- (County Galway) Corballymore
- (County Galway) Cloonsheecahill
- (County Galway) Cloonymorris
- (County Galway) Cloonkeen
- (County Galway) Coxtown
- (County Galway) Crossconnell
- (County Galway) Cloonascragh
- (County Galway) Cloongawn
- (County Galway) Corskeagh
- (County Galway) Cloonatleva
- (County Galway) Caltraghlea
- (County Galway) Carrowmanagh
- (County Galway) Cornamucklagh
- (Roscommon) Culliagharny
- (Roscommon) Castlesampson
- (Roscommon) Corraree
- (Roscommon) Carrowduff