| CLEIKUM INN | OS1/3/41/37 |
| CLONBEITH | OS1/3/41/40 |
| CLONBEITH CASTLE (In Ruins) | OS1/3/41/42 |
| COAL PIT [Eglinton Colliery; No 8 Pit] | OS1/3/41/89 |
| COCKINHEAD MOSS | OS1/3/41/30 |
| COCKMALANE | OS1/3/41/13 |
| COLLIERS ROW | OS1/3/41/87 |
| COMMERCIAL INN [Kilwinning] | OS1/3/41/76 |
| CORN MILL [Kilwinning] | OS1/3/41/72 |
| CORSEHILL | OS1/3/41/87 |
| CORSEHILL HEAD | OS1/3/41/91 |
| CORSEHILLMUIR PIT | OS1/3/41/110 |
| CORSEHILLMUIR PIT | OS1/3/41/109 |
| CORSEHILLMUIR PLANTATION | OS1/3/41/110 |
| COWLINN (Ruins) | OS1/3/41/45 |
| COWLINN BURN | OS1/3/41/45 |
| CRAIG MILL (Corn) | OS1/3/41/6 |
| CRAIGHEAD | OS1/3/41/11 |
| CRAIGHEAD | OS1/3/41/4 |
| CRAIGMILL | OS1/3/41/4 |
