- Claremorris
- Cahefurvan
- Caher
- Caher
- Caheradrine
- Caherakilleen
- Caherawoneen
- Caherbulligin
- Cahererillan
- Caherfinesker
- Caherkinmonwee
- Caherlea
- Caherlistrane
- Cahermore
- Cahernagarry
- Cahernahoon
- Cahernashilleeny
- Caherpeak
- Caherphuca
- Callow
- Calluragh
- Caltra
- Caltraghlea
- Camus
- Camus Eighter
- Cankilly
- Cannahawna
- Canower
- Canteehy
- Cantronlahan