List of townlands of County Monaghan
This is a sortable table of the approximately 1,852 townlands in County Monaghan, Ireland.
Duplicate names occur where there is more than one townland with the same name in the county. Names marked in bold typeface are towns and villages, and the word Town appears for those entries in the Acres column.
Townland list
| Townland | Acres | Barony | Civil parish | Poor law union |
| Acres | 77 | Cremorne | Ballybay | Castleblayney |
| Acres | 46 | Monaghan | Tedavnet | Monaghan |
| Aghabog | 93 | Dartree | Aghabog | Cootehill |
| Aghaboy | 83 | Trough | Donagh | Monaghan |
| Aghaboy | 114 | Monaghan | Kilmore | Monaghan |
| Aghaboy North | 79 | Monaghan | Tedavnet | Monaghan |
| Aghaboy South | 156 | Monaghan | Tedavnet | Monaghan |
| Aghabrick | 34 | Monaghan | Tehallan | Monaghan |
| Aghaclay | 98 | Dartree | Aghabog | Monaghan |
| Aghaclogha | 118 | Monaghan | Tedavnet | Monaghan |
| Aghacloghan | 233 | Farney | Donaghmoyne | Carrickmacross |
| Aghaderry | 214 | Trough | Errigal Trough | Clogher |
| Aghadreenan | 231 | Farney | Donaghmoyne | Castleblayney |
| Aghadrumcru | 69 | Trough | Errigal Trough | Clogher |
| Aghadrumdoney | 111 | Dartree | Currin | Clones |
| Aghadrumkeen | 181 | Dartree | Aghabog | Cootehill |
| Aghadrumkeen | 132 | Dartree | Ematris | Cootehill |
| Aghafad | 103 | Farney | Killanny | Carrickmacross |
| Aghafin | 184 | Dartree | Clones | Clones |
| Aghagally | 83 | Monaghan | Tedavnet | Monaghan |
| Aghagaw | 69 | Dartree | Clones | Clones |
| Aghagaw | 98 | Monaghan | Tedavnet | Monaghan |
| Aghaglass | 130 | Farney | Inishkeen | Dundalk |
| Aghakista | 256 | Cremorne | Aghnamullen | Castleblayney |
| Aghalaverty | 77 | Monaghan | Monaghan | Monaghan |
| Aghalile | 146 | Farney | Magheross | Carrickmacross |
| Aghalisk | 122 | Monaghan | Kilmore | Monaghan |
| Aghaliskeevan | 51 | Trough | Errigal Trough | Monaghan |
| Aghalissabeagh | 93 | Monaghan | Clones | Monaghan |
| Aghalough | 68 | Dartree | Aghabog | Cootehill |
| Aghaloughan | 138 | Trough | Donagh | Monaghan |
| Aghamackalinn | 292 | Trough | Errigal Trough | Clogher |
| Aghanameena | 129 | Monaghan | Tedavnet | Monaghan |
| Aghananimy | 118 | Monaghan | Monaghan | Monaghan |
| Aghareagh | 116 | Dartree | Aghabog | Cootehill |
| Aghareagh East | 294 | Dartree | Currin | Cootehill |
| Aghareagh West | 175 | Dartree | Currin | Clones |
| Aghatamy | 94 | Farney | Magheracloone | Carrickmacross |
| Aghateskin | 105 | Farney | Donaghmoyne | Carrickmacross |
| Aghavilla | 117 | Farney | Donaghmoyne | Carrickmacross |
| Agheeshal | 115 | Farney | Donaghmore | Castleblayney |
| Agheracalkill | 75 | Monaghan | Tedavnet | Monaghan |
| Agherakeltan | 176 | Monaghan | Tedavnet | Monaghan |
| Agheralane | 212 | Cremorne | Ballybay | Castleblayney |
| Aghinillard | 179 | Farney | Magheracloone | Carrickmacross |
| Aghintamy | 104 | Monaghan | Monaghan | Monaghan |
| Aghlattacru | 128 | Farney | Magheracloone | Carrickmacross |
| Aghmakerr | 256 | Cremorne | Aghnamullen | Castleblayney |
| Aghnaclea | 167 | Monaghan | Kilmore | Monaghan |
| Aghnacue | 176 | Dartree | Aghabog | Cootehill |
| Aghnadamph | 497 | Cremorne | Muckno | Castleblayney |
| Aghnafarcan | 135 | Farney | Donaghmoyne | Castleblayney |
| Aghnagap | 88 | Trough | Donagh | Monaghan |
| Aghnagap | 217 | Monaghan | Monaghan | Monaghan |
| Aghnaglosh | 221 | Monaghan | Kilmore | Monaghan |
| Aghnaglosh | 149 | Monaghan | Monaghan | Monaghan |
| Aghnaha | 85 | Trough | Errigal Trough | Monaghan |
| Aghnahola | 93 | Dartree | Currin | Clones |
| Aghnahunshin | 65 | Monaghan | Tedavnet | Monaghan |
| Aghnamallagh | 237 | Monaghan | Drumsnat | Monaghan |
| Aghnamard | 55 | Dartree | Killeevan | Clones |
| Aghnamullen | 173 | Cremorne | Aghnamullen | Cootehill |
| Aghnasedagh | 458 | Monaghan | Monaghan | Monaghan |
| Aghnashalvy | 33 | Monaghan | Clones | Monaghan |
| Aghnaskea | 51 | Dartree | Killeevan | Clones |
| Aghnaskew | 162 | Cremorne | Aghnamullen | Castleblayney |
| Aghnaskew | 264 | Dartree | Currin | Clones |
| Aghnavar | 53 | Trough | Errigal Trough | Clogher |
| Aghnmeal | 140 | Cremorne | Clontibret | Monaghan |
| Alkill | 124 | Cremorne | Tehallan | Monaghan |
| Allagesh | 284 | Monaghan | Tedavnet | Monaghan |
| Alsmead | 281 | Cremorne | Muckno | Castleblayney |
| Altartate Glebe | 228 | Dartree | Clones | Clones |
| Alts | 129 | Farney | Magheracloone | Carrickmacross |
| Annacatty | 115 | Trough | Donagh | Monaghan |
| Annacramph | 135 | Monaghan | Tehallan | Monaghan |
| Annacroff | 322 | Farney | Killanny | Carrickmacross |
| Annadrumman | 190 | Cremorne | Clontibret | Castleblayney |
| Annagally | 149 | Monaghan | Tedavnet | Monaghan |
| Annagerril | 124 | Farney | Donaghmoyne | Carrickmacross |
| Annagh | 301 | Cremorne | Clontibret | Monaghan |
| Annagh | 37 | Monaghan | Drumsnat | Monaghan |
| Annagh | 176 | Trough | Errigal Trough | Monaghan |
| Annaghbeg | 64 | Trough | Donagh | Monaghan |
| Annaghbrack | 82 | Monaghan | Drumsnat | Monaghan |
| Annagheane | 166 | Dartree | Currin | Clones |
| Annaghervy | 67 | Monaghan | Kilmore | Monaghan |
| Annaghkilly | 246 | Dartree | Clones | Clones |
| Annaghmartin | 150 | Monaghan | Drumsnat | Monaghan |
| Annaghraw | 112 | Dartree | Drummully | Clones |
| Annaghybane | 169 | Dartree | Ematris | Cootehill |
| Annaghyduff | 162 | Dartree | Ematris | Cootehill |
| Annagleve | 384 | Cremorne | Clontibret | Castleblayney |
| Annaglogh | 293 | Cremorne | Clontibret | Castleblayney |
| Annagola | 138 | Trough | Donagh | Monaghan |
| Annagola | 44 | Monaghan | Kilmore | Monaghan |
| Annagose | 272 | Dartree | Aghabog | Clones |
| Annahagh | 161 | Monaghan | Monaghan | Monaghan |
| Annahagh | 143 | Monaghan | Tedavnet | Monaghan |
| Annahagh North | 47 | Monaghan | Clones | Monaghan |
| Annahagh South | 121 | Monaghan | Clones | Monaghan |
| Annahaia | 111 | Farney | Donaghmoyne | Carrickmacross |
| Annahaia | 138 | Cremorne | Aghnamullen | Castleblayney |
| Annahale | 146 | Cremorne | Clontibret | Castleblayney |
| Annahean | 389 | Farney | Killanny | Carrickmacross |
| Annahuby | 134 | Cremorne | Clontibret | Monaghan |
| Annalittin | 299 | Cremorne | Clontibret | Castleblayney |
| Annamacneill | 208 | Monaghan | Tullycorbet | Monaghan |
| Annamakiff | 93 | Dartree | Killeevan | Clones |
| Annamarran | 279 | Farney | Killanny | Carrickmacross |
| Annaneese | 190 | Cremorne | Ballybay | Castleblayney |
| Annareagh North | 67 | Trough | Donagh | Monaghan |
| Annareagh South | 244 | Trough | Donagh | Monaghan |
| Annaroe | 124 | Monaghan | Monaghan | Monaghan |
| Annaseeragh | 128 | Cremorne | Clontibret | Monaghan |
| Annaveagh | 162 | Dartree | Currin | Clones |
| Annayalla | 361 | Cremorne | Clontibret | Castleblayney |
| Annies | 268 | Dartree | Currin | Clones |
| Anny | 161 | Farney | Donaghmoyne | Carrickmacross |
| Anny | 467 | Cremorne | Aghnamullen | Cootehill |
| Annyalty | 129 | Monaghan | Tedavnet | Monaghan |
| Annyart | 297 | Cremorne | Muckno | Castleblayney |
| Annyeeb | 76 | Monaghan | Tedavnet | Monaghan |
| Annyerk | 132 | Monaghan | Tedavnet | Monaghan |
| Anveyerg | 205 | Cremorne | Aghnamullen | Castleblayney |
| Arclintagh | 145 | Cremorne | Clontibret | Monaghan |
| Ardaghy | 320 | Monaghan | Monaghan | Monaghan |
| Ardaghy Kill | 100 | Monaghan | Monaghan | Monaghan |
| Ardginny | 98 | Trough | Errigal Trough | Clogher |
| Ardkirk | 134 | Farney | Donaghmoyne | Castleblayney |
| Ardkirk | 62 | Trough | Errigal Trough | Clogher |
| Ardnasallem | 116 | Trough | Donagh | Monaghan |
| Ardragh | 469 | Farney | Magheross | Carrickmacross |
| Astrish Beg | 37 | Trough | Errigal Trough | Monaghan |
| Astrish More | 77 | Trough | Errigal Trough | Monaghan |
| Attiduff | 97 | Dartree | Ematris | Cootehill |
| Attiduff | 74 | Trough | Errigal Trough | Monaghan |
| Aughnacloy | 172 | Monaghan | Drumsnat | Monaghan |
| Aughrim Beg | 160 | Farney | Donaghmoyne | Carrickmacross |
| Aughrim More | 227 | Farney | Donaghmoyne | Carrickmacross |
| Availabane | 167 | Cremorne | Clontibret | Monaghan |
| Avalreagh | 343 | Cremorne | Clontibret | Monaghan |
| Balladian | 270 | Cremorne | Ballybay | Castleblayney |
| Ballagh | 235 | Monaghan | Drumsnat | Monaghan |
| Ballaghnagearn | 142 | Farney | Magheracloone | Carrickmacross |
| Ballakelly | 136 | Farney | Inishkeen | Dundalk |
| Ballingarry | 150 | Farney | Killanny | Carrickmacross |
| Ballintoppan | 83 | Dartree | Clones | Monaghan |
| Ballintra | 113 | Farney | Inishkeen | Dundalk |
| Ballybay | Town | Cremorne | Ballybay | Castleblayney |
| Ballycartlan | 159 | Farney | Magheracloone | Carrickmacross |
| Ballycronog | 69 | Monaghan | Monaghan | Monaghan |
| Ballygreany | 160 | Cremorne | Clontibret | Monaghan |
| Ballyleck | 155 | Monaghan | Kilmore | Monaghan |
| Ballyloughan | 173 | Farney | Magheracloone | Carrickmacross |
| Ballymacforban | 109 | Monaghan | Monaghan | Monaghan |
| Ballynagarry | 166 | Monaghan | Kilmore | Monaghan |
| Ballynahone | 300 | Trough | Errigal Trough | Monaghan |
| Ballynure | 150 | Dartree | Killeevan | Clones |
| Ballyrush | 99 | Farney | Inishkeen | Dundalk |
| Bannaghbane | 150 | Monaghan | Kilmore | Monaghan |
| Bannaghroe | 141 | Monaghan | Kilmore | Monaghan |
| Barndonagh | 115 | Farney | Magheross | Carrickmacross |
| Barratitoppy Lower | 265 | Monaghan | Tedavnet | Monaghan |
| Barratitoppy Upper | 657 | Monaghan | Tedavnet | Monaghan |
| Beagh | 130 | Farney | Donaghmoyne | Carrickmacross |
| Beagh | 174 | Farney | Magheracloone | Carrickmacross |
| Beagh | 152 | Farney | Magheross | Carrickmacross |
| Beagh | 311 | Cremorne | Aghnamullen | Castleblayney |
| Beagh | 82 | Monaghan | Monaghan | Monaghan |
| Beagh | 118 | Monaghan | Monaghan | Monaghan |
| Belderg | 81 | Trough | Donagh | Monaghan |
| Bellanagall | 109 | Monaghan | Monaghan | Monaghan |
| Bellanaman | 72 | Trough | Donagh | Monaghan |
| Bellanode | Town | Monaghan | Tedavnet | Monaghan |
| Bellatrain | Town | Cremorne | Aghnamullen | Castleblayney |
| Billary | 60 | Dartree | Clones | Clones |
| Billeady | 237 | Cremorne | Clontibret | Castleblayney |
| Billis | 252 | Trough | Donagh | Monaghan |
| Billises | 115 | Monaghan | Tedavnet | Monaghan |
| Binmore | 133 | Cremorne | Aghnamullen | Castleblayney |
| Black Island | 109 | Cremorne | Muckno | Castleblayney |
| Black Island | 194 | Dartree | Ematris | Cootehill |
| Blackraw | 341 | Monaghan | Drumsnat | Monaghan |
| Blittoge | 171 | Farney | Donaghmoyne | Carrickmacross |
| Bocks Lower | 316 | Farney | Donaghmoyne | Carrickmacross |
| Bocks Middle | 255 | Farney | Donaghmoyne | Carrickmacross |
| Bocks Upper | 336 | Farney | Donaghmoyne | Carrickmacross |
| Boraghy | 188 | Cremorne | Aghnamullen | Castleblayney |
| Bough | 140 | Monaghan | Tedavnet | Monaghan |
| Boughill | 167 | Dartree | Killeevan | Clones |
| Boughkeel | 64 | Monaghan | Tedavnet | Monaghan |
| Bowelk | 129 | Cremorne | Aghnamullen | Cootehill |
| Boyher | 149 | Dartree | Ematris | Cootehill |
| Brackagh | 160 | Cremorne | Clontibret | Castleblayney |
| Brackagh | 201 | Farney | Donaghmoyne | Castleblayney |
| Brackagh | 179 | Trough | Errigal Trough | Monaghan |
| Brackly | 171 | Farney | Donaghmoyne | Carrickmacross |
| Brackly | 331 | Cremorne | Aghnamullen | Castleblayney |
| Braddocks | 183 | Monaghan | Tullycorbet | Monaghan |
| Bragan | 2359 | Trough | Errigal Trough | Clogher |
| Brandrum | 215 | Monaghan | Kilmore | Monaghan |
| Bree | 152 | Cremorne | Muckno | Castleblayney |
| Briscarnagh | 253 | Dartree | Currin | Cootehill |
| Brookvale | 67 | Monaghan | Drumsnat | Monaghan |
| Bryanlitter | 223 | Cremorne | Clontibret | Monaghan |
| Bullogbrean | 255 | Dartree | Clones | Clones |
| Burdautien | 113 | Dartree | Clones | Clones |
| Cabragh | 307 | Cremorne | Ballybay | Castleblayney |
| Cabragh | 122 | Monaghan | Drumsnat | Monaghan |
| Caddagh | 296 | Cremorne | Tullycorbet | Monaghan |
| Caldavnet | 143 | Monaghan | Tedavnet | Monaghan |
| Calliagh | 237 | Dartree | Aghabog | Monaghan |
| Callowhill | 178 | Dartree | Currin | Clones |
| Camaghy | 272 | Farney | Magheracloone | Carrickmacross |
| Camla | 154 | Monaghan | Monaghan | Monaghan |
| Candlefort | 127 | Farney | Inishkeen | Dundalk |
| Cappagh | 52 | Dartree | Clones | Clones |
| Cappagh | 70 | Dartree | Clones | Clones |
| Cappog | 87 | Dartree | Killeevan | Clones |
| Cappog | 112 | Monaghan | Tedavnet | Monaghan |
| Capragh | 147 | Farney | Donaghmoyne | Carrickmacross |
| Cargaghbane | 238 | Cremorne | Aghnamullen | Castleblayney |
| Cargaghdoo | 302 | Cremorne | Aghnamullen | Castleblayney |
| Cargaghlisnanarney | 194 | Farney | Donaghmoyne | Carrickmacross |
| Cargaghmore | 264 | Farney | Magheross | Carrickmacross |
| Cargaghoge | 568 | Farney | Magheross | Carrickmacross |
| Cargaghramer | 198 | Monaghan | Tullycorbet | Monaghan |
| Carn | 145 | Dartree | Clones | Clones |
| Carn | 319 | Dartree | Aghabog | Monaghan |
| Carn | 60 | Monaghan | Tehallan | Monaghan |
| Carnaveagh | 458 | Cremorne | Aghnamullen | Castleblayney |
| Carnbane | 82 | Monaghan | Drumsnat | Monaghan |
| Carneys Island | 109 | Dartree | Clones | Clones |
| Carnowen | 144 | Dartree | Killeevan | Clones |
| Carnquill | 157 | Monaghan | Tedavnet | Monaghan |
| Carnroe | 622 | Dartree | Currin | Clones |
| Carolina | 152 | Dartree | Aghabog | Cootehill |
| Carrachor | 63 | Monaghan | Tedavnet | Monaghan |
| Carrickaderry | 194 | Cremorne | Clontibret | Monaghan |
| Carrickadooey | 266 | Farney | Magheross | Carrickmacross |
| Carrickagarvan | 185 | Cremorne | Clontibret | Castleblayney |
| Carrickaldragh | 229 | Cremorne | Aghnamullen | Castleblayney |
| Carrickanoran | 139 | Monaghan | Monaghan | Monaghan |
| Carrickanure | 225 | Cremorne | Clontibret | Monaghan |
| Carrickartagh | 354 | Farney | Magheross | Carrickmacross |
| Carrickashedoge | 249 | Farney | Magheracloone | Carrickmacross |
| Carrickaslane | 517 | Cremorne | Muckno | Castleblayney |
| Carrickatee | 594 | Cremorne | Aghnamullen | Castleblayney |
| Carrickaveilty | 392 | Cremorne | Aghnamullen | Castleblayney |
| Carrickavoley | 101 | Farney | Donaghmoyne | Carrickmacross |
| Carrickinare | 479 | Cremorne | Ballybay | Castleblayney |
| Carricklane | 110 | Farney | Donaghmoyne | Carrickmacross |
| Carrickmaclim | 217 | Farney | Magheross | Carrickmacross |
| Carrickmacross | Town | Farney | Magheross | Carrickmacross |
| Carrickmore | 128 | Dartree | Clones | Clones |
| Carricknagoan | 143 | Farney | Magheracloone | Carrickmacross |
| Carrickykelly | 290 | Farney | Inishkeen | Dundalk |
| Carrigans | 142 | Trough | Donagh | Monaghan |
| Carrivetragh | 181 | Dartree | Clones | Clones |
| Carrowbarra | 78 | Monaghan | Clones | Monaghan |
| Carrowbarra Island | 22 | Monaghan | Clones | Monaghan |
| Carrowhatta | 127 | Monaghan | Tedavnet | Monaghan |
| Carrowkeel | 138 | Monaghan | Tehallan | Monaghan |
| Carsan | 161 | Dartree | Ematris | Cootehill |
| Cashel | 549 | Cremorne | Clontibret | Castleblayney |
| Cashlan | 201 | Dartree | Killeevan | Monaghan |
| Cashlan East | 143 | Farney | Donaghmoyne | Carrickmacross |
| Cashlan West | 158 | Farney | Donaghmoyne | Carrickmacross |
| Castleblayney | Town | Cremorne | Muckno | Castleblayney |
| Castleshane Demesne | 379 | Monaghan | Monaghan | Monaghan |
| Cavan | 175 | Dartree | Clones | Clones |
| Cavan | 87 | Trough | Errigal Trough | Monaghan |
| Cavan | 185 | Trough | Errigal Trough | Clogher |
| Cavanacross | 28 | Monaghan | Clones | Monaghan |
| Cavanagarvan | 279 | Monaghan | Kilmore | Monaghan |
| Cavanageeragh | 72 | Farney | Magheross | Carrickmacross |
| Cavanaguillagh | 132 | Cremorne | Clontibret | Castleblayney |
| Cavanavally | 30 | Dartree | Killeevan | Clones |
| Cavancreevy | 221 | Cremorne | Clontibret | Monaghan |
| Cavanleckagh | 67 | Trough | Errigal Trough | Monaghan |
| Cavanmore | 77 | Trough | Errigal Trough | Monaghan |
| Cavanreagh | 86 | Dartree | Currin | Clones |
| Cavanreagh | 41 | Monaghan | Tehallan | Monaghan |
| Cavany | 188 | Dartree | Currin | Clones |
| Church Hill | 174 | Cremorne | Muckno | Castleblayney |
| Cladowen | 126 | Dartree | Clones | Clones |
| Clanickny | 188 | Trough | Donagh | Monaghan |
| Claraghy | 123 | Dartree | Ematris | Cootehill |
| Clarderry | 186 | Cremorne | Clontibret | Monaghan |
| Clare Oghill | 132 | Cremorne | Clontibret | Castleblayney |
| Clenlough | 86 | Monaghan | Drumsnat | Monaghan |
| Clerran | 237 | Cremorne | Clontibret | Monaghan |
| Clery | 118 | Trough | Donagh | Monaghan |
| Cloghan | 229 | Cremorne | Clontibret | Castleblayney |
| Clogher | 286 | Cremorne | Ballybay | Castleblayney |
| Cloghernagh | 223 | Trough | Donagh | Monaghan |
| Cloghernagh | 156 | Dartree | Killeevan | Monaghan |
| Cloghfin | 287 | Trough | Errigal Trough | Clogher |
| Cloghnart | 96 | Trough | Donagh | Monaghan |
| Cloghoge and | 302 | Farney | Donaghmoyne | Carrickmacross |
| Cloghoge and Tievadinna | 302 | Farney | Donaghmoyne | Carrickmacross |
| Cloghvally Lower | 215 | Farney | Magheross | Carrickmacross |
| Cloghvally Upper | 249 | Farney | Magheross | Carrickmacross |
| Clonacullan | 73 | Trough | Errigal Trough | Clogher |
| Clonacullion | 161 | Cremorne | Aghnamullen | Cootehill |
| Clonamully | 109 | Monaghan | Tedavnet | Monaghan |
| Clonamunsha | 50 | Monaghan | Clones | Monaghan |
| Clonaneor | 174 | Cremorne | Clontibret | Castleblayney |
| Clonavarn | 139 | Monaghan | Kilmore | Monaghan |
| Clonavilla | 100 | Dartree | Clones | Clones |
| Clonavogy | 128 | Farney | Donaghmoyne | Carrickmacross |
| Clonavogy | 125 | Cremorne | Clontibret | Castleblayney |
| Clonboy | 57 | Dartree | Clones | Clones |
| Cloncallick | 78 | Dartree | Clones | Clones |
| Cloncaw | 124 | Trough | Donagh | Monaghan |
| Cloncumber | 97 | Dartree | Clones | Clones |
| Cloncurrin | 129 | Dartree | Clones | Clones |
| Clondinnery | 34 | Dartree | Killeevan | Clones |
| Clonedergole | 84 | Dartree | Clones | Clones |
| Clones | Town | Dartree | Clones | Clones |
| Clonfad | 248 | Dartree | Drummully | Clones |
| Clonfad | 127 | Dartree | Killeevan | Clones |
| Clonisboyle | 59 | Trough | Errigal Trough | Clogher |
| Clonkeady | 107 | Monaghan | Tedavnet | Monaghan |
| Clonkeelan | 230 | Dartree | Drummully | Clones |
| Clonkeen | 181 | Trough | Errigal Trough | Clogher |
| Clonkeen | 188 | Dartree | Clones | Clones |
| Clonkeen | 255 | Dartree | Clones | Clones |
| Clonkirk | 314 | Dartree | Clones | Clones |
| Clonleek | 63 | Trough | Donagh | Monaghan |
| Clonlonan | 86 | Monaghan | Tehallan | Monaghan |
| Clonlura | 136 | Dartree | Drummully | Clones |
| Clonmeenan | 66 | Farney | Magheracloone | Carrickmacross |
| Clonmore | 132 | Dartree | Clones | Clones |
| Clonnagore | 165 | Dartree | Drummully | Clones |
| Clonnestin | 170 | Dartree | Drummully | Clones |
| Clonoony | 213 | Dartree | Drummully | Clones |
| Clonoula | 239 | Dartree | Drummully | Clones |
| Clonrye | 77 | Dartree | Drummully | Clones |
| Clonsedy | 297 | Farney | Magheracloone | Carrickmacross |
| Clonshanvo | 100 | Dartree | Drummully | Clones |
| Clontask | 84 | Dartree | Drummully | Clones |
| Clontibret | 132 | Dartree | Clones | Clones |
| Clontoe | 86 | Monaghan | Tedavnet | Monaghan |
| Clontrain | 191 | Farney | Magheracloone | Carrickmacross |
| Clontreat | 91 | Dartree | Clones | Clones |
| Clonturk | 149 | Farney | Killanny | Carrickmacross |
| Clontybunnia | 147 | Monaghan | Tedavnet | Monaghan |
| Clontycasta | 230 | Monaghan | Tedavnet | Monaghan |
| Closdaw | 185 | Dartree | Aghabog | Cootehill |
| Clossagh Beg | 271 | Cremorne | Aghnamullen | Cootehill |
| Clossagh More | 412 | Cremorne | Aghnamullen | Cootehill |
| Coaghen | 100 | Dartree | Killeevan | Monaghan |
| Coleman | 163 | Dartree | Drummully | Clones |
| Colgagh | 180 | Farney | Donaghmoyne | Carrickmacross |
| Comaghy | 247 | Cremorne | Muckno | Castleblayney |
| Comertagh | 163 | Farney | Magheracloone | Carrickmacross |
| Comraghs | 207 | Farney | Inishkeen | Dundalk |
| Conaghy | 182 | Dartree | Killeevan | Clones |
| Concra | 319 | Cremorne | Clontibret | Castleblayney |
| Connabury | 143 | Cremorne | Muckno | Castleblayney |
| Coohey | 229 | Monaghan | Tullycorbet | Monaghan |
| Coolaha | 109 | Farney | Killanny | Carrickmacross |
| Coolartragh | 334 | Cremorne | Clontibret | Castleblayney |
| Coolatty | 87 | Monaghan | Clones | Monaghan |
| Coolberrin | 172 | Trough | Errigal Trough | Clogher |
| Coolcair | 157 | Farney | Donaghmoyne | Carrickmacross |
| Coolcollid | 101 | Trough | Donagh | Monaghan |
| Coolcorragh | 209 | Monaghan | Drumsnat | Monaghan |
| Cooldarragh | 169 | Monaghan | Drumsnat | Monaghan |
| Coolderry | 223 | Farney | Donaghmoyne | Carrickmacross |
| Coolderry | 263 | Farney | Magheracloone | Carrickmacross |
| Coolderry | 223 | Farney | Magheross | Carrickmacross |
| Coolfore | 183 | Farney | Magheross | Carrickmacross |
| Coolkill East | 194 | Dartree | Ematris | Cootehill |
| Coolkill East | 119 | Monaghan | Tedavnet | Monaghan |
| Coolkill West | 111 | Dartree | Ematris | Cootehill |
| Coolkill West | 88 | Monaghan | Tedavnet | Monaghan |
| Coolmain | 115 | Monaghan | Monaghan | Monaghan |
| Coolmannan | 158 | Cremorne | Clontibret | Castleblayney |
| Coolmuckbane | 42 | Monaghan | Tehallan | Monaghan |
| Coolnacarte | 180 | Dartree | Currin | Clones |
| Coolnagrattan | 154 | Farney | Donaghmoyne | Carrickmacross |
| Coolnalong | 179 | Dartree | Killeevan | Clones |
| Coolreagh | 138 | Farney | Killanny | Carrickmacross |
| Coolremony | 69 | Farney | Killanny | Carrickmacross |
| Coolshannagh | 132 | Monaghan | Monaghan | Monaghan |
| Coolskeagh | 131 | Farney | Donaghmoyne | Castleblayney |
| Cooltrim | 263 | Cremorne | Aghnamullen | Castleblayney |
| Cooltrimegish | 251 | Cremorne | Aghnamullen | Castleblayney |
| Coose | 363 | Cremorne | Aghnamullen | Castleblayney |
| Coraghbrack | 166 | Trough | Errigal Trough | Clogher |
| Coraghy | 216 | Farney | Magheross | Carrickmacross |
| Coraghy | 205 | Dartree | Clones | Clones |
| Corbane | 280 | Farney | Magheross | Carrickmacross |
| Corbeg | 78 | Monaghan | Tehallan | Monaghan |
| Corblonog | 49 | Monaghan | Tedavnet | Monaghan |
| Corbrack | 194 | Cremorne | Ballybay | Castleblayney |
| Corcaghan | 270 | Monaghan | Kilmore | Monaghan |
| Corcaskea | 94 | Cremorne | Clontibret | Monaghan |
| Corclare | 110 | Trough | Errigal Trough | Monaghan |
| Corconnelly | 147 | Dartree | Killeevan | Clones |
| Corcreeghagh | 402 | Farney | Magheross | Carrickmacross |
| Corcreeghy | 439 | Monaghan | Kilmore | Monaghan |
| Corcrin | 223 | Farney | Magheross | Carrickmacross |
| Corcuillogue | 244 | Farney | Magheross | Carrickmacross |
| Corcullioncrew | 139 | Farney | Donaghmoyne | Carrickmacross |
| Corcullionglish | 114 | Farney | Donaghmoyne | Carrickmacross |
| Corcummins | 118 | Dartree | Killeevan | Clones |
| Corderrybane | 234 | Cremorne | Clontibret | Castleblayney |
| Corderryduff | 161 | Cremorne | Clontibret | Castleblayney |
| Cordevlis | 138 | Cremorne | Clontibret | Castleblayney |
| Cordevlis | 243 | Cremorne | Aghnamullen | Cootehill |
| Cordevlis | 71 | Monaghan | Monaghan | Monaghan |
| Cordevlis | 82 | Monaghan | Tehallan | Monaghan |
| Cordevlis North | 143 | Cremorne | Tullycorbet | Monaghan |
| Cordevlis North | 125 | Monaghan | Tullycorbet | Monaghan |
| Cordoolough | 304 | Monaghan | Tullycorbet | Monaghan |
| Cordressigo | 108 | Dartree | Ematris | Cootehill |
| Cordrummans Lower | 69 | Farney | Donaghmoyne | Carrickmacross |
| Cordrummans Middle | 75 | Farney | Donaghmoyne | Carrickmacross |
| Cordrummans Upper | 91 | Farney | Donaghmoyne | Carrickmacross |
| Corduff | 267 | Farney | Magheross | Carrickmacross |
| Corduff | 253 | Dartree | Aghabog | Cootehill |
| Corduff | 245 | Farney | Magheross | Carrickmacross |
| Corfad | 239 | Cremorne | Ballybay | Castleblayney |
| Corfad | 134 | Cremorne | Aghnamullen | Cootehill |
| Corfad | 108 | Monaghan | Tullycorbet | Monaghan |
| Corfinlough | 195 | Monaghan | Tullycorbet | Monaghan |
| Corglass | 87 | Dartree | Ematris | Cootehill |
| Corgreagh | 378 | Cremorne | Aghnamullen | Carrickmacross |
| Corgreenan | 59 | Trough | Errigal Trough | Clogher |
| Corhelshinagh | 297 | Cremorne | Aghnamullen | Carrickmacross |
| Corhollan | 125 | Monaghan | Drumsnat | Monaghan |
| Corkashybane | 258 | Farney | Magheross | Carrickmacross |
| Corkashyduff | 258 | Farney | Magheross | Carrickmacross |
| Corkeeran | 147 | Farney | Magheracloone | Carrickmacross |
| Corkeeran | 211 | Cremorne | Ballybay | Castleblayney |
| Corkeeran | 117 | Dartree | Killeevan | Clones |
| Corkeeran | 214 | Cremorne | Aghnamullen | Cootehill |
| Corkeeran | 162 | Dartree | Ematris | Cootehill |
| Corkish | 97 | Dartree | Aghabog | Cootehill |
| Corknock | 55 | Monaghan | Tedavnet | Monaghan |
| Corlagan North | 93 | Cremorne | Clontibret | Castleblayney |
| Corlagan South | 129 | Cremorne | Clontibret | Castleblayney |
| Corlat | 216 | Cremorne | Aghnamullen | Carrickmacross |
| Corlat | 138 | Dartree | Killeevan | Clones |
| Corlat | 66 | Monaghan | Monaghan | Monaghan |
| Corlat | 87 | Monaghan | Tedavnet | Monaghan |
| Corlattallan | 147 | Trough | Errigal Trough | Monaghan |
| Corlattan | 100 | Monaghan | Monaghan | Monaghan |
| Corlea | 283 | Cremorne | Aghnamullen | Carrickmacross |
| Corlea | 186 | Farney | Donaghmoyne | Carrickmacross |
| Corlea | 252 | Farney | Magheracloone | Carrickmacross |
| Corlea | 190 | Farney | Magheross | Carrickmacross |
| Corlea | 319 | Monaghan | Tullycorbet | Monaghan |
| Corleadargan | 314 | Cremorne | Clontibret | Castleblayney |
| Corlealackagh | 256 | Cremorne | Clontibret | Castleblayney |
| Corleanamaddy | 137 | Cremorne | Clontibret | Castleblayney |
| Corleck | 157 | Farney | Donaghmoyne | Carrickmacross |
| Corleck | 305 | Dartree | Aghabog | Monaghan |
| Corlongford | 120 | Monaghan | Tullycorbet | Monaghan |
| Corlougharoe | 135 | Dartree | Killeevan | Cootehill |
| Corlust | 101 | Monaghan | Monaghan | Monaghan |
| Corlygorm | 192 | Farney | Donaghmoyne | Carrickmacross |
| Cormeen | 217 | Cremorne | Aghnamullen | Cootehill |
| Cormeen | 228 | Dartree | Currin | Cootehill |
| Cormeen | 181 | Monaghan | Monaghan | Monaghan |
| Cormoy | 111 | Farney | Donaghmoyne | Carrickmacross |
| Cormoy | 196 | Dartree | Aghabog | Clones |
| Cormoy Lower | 80 | Farney | Donaghmoyne | Carrickmacross |
| Cormoy Upper | 74 | Farney | Donaghmoyne | Carrickmacross |
| Cormurphy | 82 | Monaghan | Monaghan | Monaghan |
| Cornabrandy | 121 | Cremorne | Clontibret | Monaghan |
| Cornacarrow | 50 | Farney | Magheracloone | Carrickmacross |
| Cornacarrow | 355 | Cremorne | Aghnamullen | Castleblayney |
| Cornacreeve | 225 | Trough | Donagh | Monaghan |
| Cornacreeve | 120 | Monaghan | Monaghan | Monaghan |
| Cornacreeve | 105 | Monaghan | Tedavnet | Monaghan |
| Cornacreeve | 162 | Monaghan | Tullycorbet | Monaghan |
| Cornacrew | 101 | Farney | Donaghmoyne | Carrickmacross |
| Cornafaghy | 94 | Dartree | Clones | Monaghan |
| Cornagall | 97 | Farney | Donaghmoyne | Castleblayney |
| Cornagarvoge | 387 | Farney | Inishkeen | Dundalk |
| Cornagilty | 117 | Monaghan | Tedavnet | Monaghan |
| Cornaglare | 184 | Dartree | Currin | Cootehill |
| Cornaglare | 210 | Monaghan | Kilmore | Monaghan |
| Cornaguillagh | 109 | Monaghan | Tedavnet | Monaghan |
| Cornahawla | 138 | Farney | Donaghmoyne | Castleblayney |
| Cornaheive | 85 | Trough | Errigal Trough | Clogher |
| Cornahoe | 276 | Cremorne | Ballybay | Castleblayney |
| Cornahoe | 74 | Monaghan | Tehallan | Monaghan |
| Cornahoe | 143 | Monaghan | Tullycorbet | Monaghan |
| Cornahoe Lower | 161 | Cremorne | Clontibret | Monaghan |
| Cornahoe Upper | 216 | Cremorne | Clontibret | Castleblayney |
| Cornalaragh | 272 | Farney | Magheracloone | Carrickmacross |
| Cornalough | 149 | Cremorne | Clontibret | Castleblayney |
| Cornamucklagh | 193 | Farney | Donaghmoyne | Carrickmacross |
| Cornamucklagh North | 171 | Cremorne | Clontibret | Monaghan |
| Cornamucklagh South | 185 | Cremorne | Clontibret | Castleblayney |
| Cornamucklaglass | 182 | Cremorne | Ballybay | Castleblayney |
| Cornamunady | 123 | Monaghan | Monaghan | Monaghan |
| Cornanagh | 216 | Monaghan | Tullycorbet | Monaghan |
| Cornanerriff | 93 | Farney | Donaghmoyne | Carrickmacross |
| Cornanure | 224 | Farney | Donaghmoyne | Carrickmacross |
| Cornanure | 63 | Trough | Errigal Trough | Monaghan |
| Cornanure | 196 | Monaghan | Tullycorbet | Monaghan |
| Cornapaste | 169 | Dartree | Currin | Clones |
| Cornasassonagh | 284 | Farney | Magheross | Carrickmacross |
| Cornasleeve | 120 | Farney | Donaghmoyne | Carrickmacross |
| Cornasoo | 129 | Monaghan | Drumsnat | Monaghan |
| Cornasoo | 158 | Monaghan | Kilmore | Monaghan |
| Cornasore | 124 | Trough | Donagh | Monaghan |
| Cornawall | 143 | Dartree | Aghabog | Cootehill |
| Cornawall | 194 | Dartree | Ematris | Cootehill |
| Cornawall | 205 | Dartree | Killeevan | Monaghan |
| Cornecassa Demesne | 467 | Monaghan | Monaghan | Monaghan |
| Corness | 99 | Monaghan | Monaghan | Monaghan |
| Corrabofin | 181 | Monaghan | Ballybay | Castleblayney |
| Corracharra | 329 | Cremorne | Aghnamullen | Carrickmacross |
| Corrachulter | 111 | Dartree | Aghabog | Cootehill |
| Corrackan | 113 | Dartree | Currin | Clones |
| Corracloghan | 147 | Cremorne | Clontibret | Castleblayney |
| Corracrin | 45 | Trough | Donagh | Mon |