C
- (County Leitrim) Corratimore
- (County Leitrim) Corchuill
- (County Leitrim) Cloonaquin
- (County Leitrim) Corractoona
- (County Leitrim) Cloghmeen
- (County Leitrim) Cloontyprughlish
- (County Galway) Cannahawna
- (County Galway) Cahermore
- (County Galway) Caherawoneen
- (County Galway) Cappaghmore
- (County Galway) Cahererillan
- (County Galway) Cloonnasee
- (County Galway) Croghnut
- (County Galway) Canower
- (County Galway) Crow Island
- (County Galway) Clogmore South
- (County Galway) Camus Eighter
- (County Galway) Cantronlahan
- (County Galway) Coolagh
- (County Galway) Corranellistrum
- (County Galway) Cloosh
- (County Galway) Carrownamaddra
- (County Galway) Crossooha
- (County Galway) Cartrongarv
- (County Galway) Carrowgarriff
- (County Galway) Caherpeak
- (County Galway) Corraduff
- (County Galway) Caranavoodaun
- (County Galway) Calluragh
- (County Galway) Cartron