Also see:
- ..Cabinteely(3)
- ..Cabra(4)
- ..Caherdaniel(7)
- ..Cahir(5)
- ..Cahirciveen(19)
- ..Callan(4)
- ..Cappamore(3)
- ..Cappoquin(6)
- ..Carbury(1)
- ..Carlow Town(28)
- ..Carndonagh(5)
- ..Carnmore(4)
- ..Carraroe(2)
- ..Carrick-on-Suir(4)
- ..Carrick(8)
- ..Carrickmacross(17)
- ..Carrick on Shannon(18)
- ..Carrigaline(27)
- ..Carrignavar(1)
- ..Carron(2)
- ..Cashel(8)
- ..Castlebaldwin(3)
- ..Castlebar(44)
- ..Castlegregory(8)
- ..Castleisland(4)
- ..Castleknock(13)
- ..Castlelyons(2)
- ..Castlemaine(5)
- ..Castletownbere(8)
- ..Cavan Town(21)
- ..Celbridge(8)
- ..Charlestown(8)
- ..Charleville(1)
- ..Cheekpoint(1)
- ..Churchtown(7)
- ..Clane(7)
- ..Clarecastle(1)
- ..Claremorris(17)
- ..Clarinbridge(1)
- ..Cleggan(3)
- ..Clifden(29)
- ..Cloghane(3)
- ..Clonakilty(33)
- ..Clondalkin(19)
- ..Clonee(7)
- ..Clonmel(17)
- ..Clonmellon(2)
- ..Clonroche(1)
- ..Clonshaugh(3)
- ..Clonsilla(7)
- ..Clonskeagh(8)
- ..Clontarf(31)
- ..Cobh(21)
- ..Collooney(4)
- ..Cong(5)
- ..Coolaney(1)
- ..Coolock(10)
- ..Cork City(222)
- ..Corofin(6)
- ..Courtmacsherry(4)
- ..Courtown(4)
- ..Cree(1)
- ..Crosshaven(11)
- ..Crumlin(14)
- ..Curragh(3)