| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Mallaranny | city | Maigh Eo | Ireland | 53.9038889 | -9.7897222 | 0 | 897 |
| Maryland | city | Maigh Eo | Ireland | 53.9 | -9.6333333 | 3 | 975 |
| Massbrook | city | Maigh Eo | Ireland | 53.9866667 | -9.2841667 | 295 | 1806 |
| Maum | city | Maigh Eo | Ireland | 53.8113889 | -9.9688889 | 3 | 327 |
| Meelick | city | Maigh Eo | Ireland | 54.1980556 | -9.2052778 | 9 | 1278 |
| Meelick | city | Maigh Eo | Ireland | 53.9188889 | -9.0186111 | 95 | 1807 |
| Middletown | city | Maigh Eo | Ireland | 53.8516667 | -9.1744444 | 193 | 1807 |
| Moyhenna Bridge | city | Maigh Eo | Ireland | 53.8697222 | -9.1866667 | 144 | 1807 |
| Moylaw | city | Maigh Eo | Ireland | 54.0938889 | -9.3777778 | 157 | 1796 |
| Moyne | city | Maigh Eo | Ireland | 54.2 | -9.1855556 | 3 | 1278 |
| Moyrahan | city | Maigh Eo | Ireland | 54.2305556 | -9.9447222 | 0 | 994 |
| Muckanagh | city | Maigh Eo | Ireland | 53.9455556 | -9.1716667 | 72 | 1807 |
| Muingerroon Bridge | city | Maigh Eo | Ireland | 54.2191667 | -9.8022222 | 242 | 1637 |
| Muingingaun | city | Maigh Eo | Ireland | 54.2147222 | -9.7219444 | 236 | 1752 |
| Muingrevagh | city | Maigh Eo | Ireland | 54.3061111 | -9.3216667 | 203 | 913 |
| Muings Bridge | city | Maigh Eo | Ireland | 54.2116667 | -9.8733333 | 305 | 1362 |
| Mullafarry | city | Maigh Eo | Ireland | 54.1883333 | -9.2308333 | 55 | 1611 |
| Mullaghawny | city | Maigh Eo | Ireland | 54.0622222 | -9.1091667 | 131 | 1797 |
| Mullaghnacross | city | Maigh Eo | Ireland | 54.2425 | -9.2536111 | 32 | 1666 |
| Mulrany | city | Maigh Eo | Ireland | 53.9038889 | -9.7897222 | 0 | 897 |
| Mweelin | city | Maigh Eo | Ireland | 53.9419444 | -10.0238889 | 249 | 1178 |
| Mweewillin | city | Maigh Eo | Ireland | 53.8938889 | -9.92 | 364 | 1064 |
|
|