| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Maddockstown | city | Cill Chainnigh | Ireland | 52.6319444 | -7.1919444 | 200 | 3308 |
| Massford Bridge | city | Cill Chainnigh | Ireland | 52.8422222 | -7.1722222 | 482 | 3150 |
| Milltown | city | Cill Chainnigh | Ireland | 52.3858333 | -7.245 | 479 | 3326 |
| Milltown Cross Roads | city | Cill Chainnigh | Ireland | 52.5969444 | -6.9536111 | 91 | 3923 |
| Moglass | city | Cill Chainnigh | Ireland | 52.5222222 | -7.7169444 | 429 | 2861 |
| Moin Choinn | city | Cill Chainnigh | Ireland | 52.2894444 | -7.2483333 | 131 | 3900 |
| Monadubbaun | city | Cill Chainnigh | Ireland | 52.5197222 | -7.3088889 | 229 | 3315 |
| Monroe | city | Cill Chainnigh | Ireland | 52.4166667 | -7.2333333 | 485 | 3322 |
| Mooncoin | city | Cill Chainnigh | Ireland | 52.2894444 | -7.2483333 | 131 | 3900 |
| Mount Garrett Bridge | city | Cill Chainnigh | Ireland | 52.4241667 | -6.9283333 | 124 | 3692 |
| Mount Ida | city | Cill Chainnigh | Ireland | 52.3216667 | -7.027778 | 150 | 3641 |
| Mount Pleasant | city | Cill Chainnigh | Ireland | 52.7977778 | -7.5830556 | 518 | 3032 |
| Moyhora | city | Cill Chainnigh | Ireland | 52.8486111 | -7.2344444 | 501 | 3127 |
| Muileann an Bhata | city | Cill Chainnigh | Ireland | 52.3672222 | -7.1647222 | 351 | 3329 |
| Mullenbeg Cross Roads | city | Cill Chainnigh | Ireland | 52.4008333 | -7.3011111 | 639 | 3336 |
| Mullennakill | city | Cill Chainnigh | Ireland | 52.43 | -7.1077778 | 482 | 3322 |
| Mullinavat | city | Cill Chainnigh | Ireland | 52.3672222 | -7.1647222 | 351 | 3329 |
| Móin Choinn | city | Cill Chainnigh | Ireland | 52.2894444 | -7.2483333 | 131 | 3900 |
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