| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Darcy's Cross Roads | city | Cill Mhantain | Ireland | 52.7947222 | -6.6336111 | 354 | 4394 |
| Darcyʼs Cross Roads | city | Cill Mhantain | Ireland | 52.7947222 | -6.6336111 | 354 | 4394 |
| Davidstown | city | Cill Mhantain | Ireland | 52.9872222 | -6.6238889 | 587 | 4575 |
| Deilgne | city | Cill Mhantain | Ireland | 53.1308333 | -6.0913889 | 170 | 5033 |
| Delgany | city | Cill Mhantain | Ireland | 53.1308333 | -6.0913889 | 170 | 5033 |
| Derrynamuck | city | Cill Mhantain | Ireland | 52.9608333 | -6.5636111 | 1272 | 4575 |
| Donaghmore | city | Cill Mhantain | Ireland | 52.9955556 | -6.6394444 | 498 | 4575 |
| Donard | city | Cill Mhantain | Ireland | 53.0191667 | -6.6147222 | 859 | 4571 |
| Downshill | city | Cill Mhantain | Ireland | 53.1194444 | -6.1486111 | 620 | 4561 |
| Drumdangan | city | Cill Mhantain | Ireland | 52.9494444 | -6.1775 | 482 | 4579 |
| Drumgoff Bridge | city | Cill Mhantain | Ireland | 52.9541667 | -6.3591667 | 521 | 4579 |
| Drummin | city | Cill Mhantain | Ireland | 52.7202778 | -6.5816667 | 249 | 4489 |
| Drummin | city | Cill Mhantain | Ireland | 53.0394444 | -6.2877778 | 974 | 4571 |
| Dun Ard | city | Cill Mhantain | Ireland | 53.0191667 | -6.6147222 | 859 | 4571 |
| Dun Luain | city | Cill Mhantain | Ireland | 53.0555556 | -6.7038889 | 521 | 5571 |
| Dunbur | city | Cill Mhantain | Ireland | 52.9563889 | -6.0194444 | 0 | 1889 |
| Dunlavin | city | Cill Mhantain | Ireland | 53.0555556 | -6.7038889 | 521 | 5571 |
| Dún Ard | city | Cill Mhantain | Ireland | 53.0191667 | -6.6147222 | 859 | 4571 |
| Dún Luáin | city | Cill Mhantain | Ireland | 53.0555556 | -6.7038889 | 521 | 5571 |
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