| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Mahon Bridge | city | Port Lairge | Ireland | 52.2047222 | -7.4997222 | 249 | 4675 |
| Marston | city | Port Lairge | Ireland | 52.1397222 | -8.0847222 | 167 | 4938 |
| McGrath's Cross Roads | city | Port Lairge | Ireland | 52.1891667 | -7.4691667 | 249 | 4675 |
| McGrathʼs Cross Roads | city | Port Lairge | Ireland | 52.1891667 | -7.4691667 | 249 | 4675 |
| Millstreet | city | Port Lairge | Ireland | 52.1636111 | -7.75 | 305 | 4701 |
| Modelligo | city | Port Lairge | Ireland | 52.1463889 | -7.7497222 | 249 | 4701 |
| Monacaum Cross Roads | city | Port Lairge | Ireland | 52.1705556 | -7.3336111 | 170 | 4341 |
| Monacullee | city | Port Lairge | Ireland | 52.0558333 | -7.715 | 557 | 4711 |
| Monalour | city | Port Lairge | Ireland | 52.1791667 | -7.9052778 | 636 | 4445 |
| Monamintra Cross Roads | city | Port Lairge | Ireland | 52.2058333 | -7.0819444 | 213 | 4125 |
| Moord | city | Port Lairge | Ireland | 51.9619444 | -7.8075 | 13 | 3933 |
| Mothel | city | Port Lairge | Ireland | 52.2994444 | -7.4202778 | 249 | 4306 |
| Mount Bolton | city | Port Lairge | Ireland | 52.3194444 | -7.3241667 | 190 | 4022 |
| Mount Druid | city | Port Lairge | Ireland | 52.2288889 | -7.0402778 | 154 | 4150 |
| Mount Kennedy | city | Port Lairge | Ireland | 52.1625 | -7.5544444 | 446 | 4385 |
| Mount Rivers | city | Port Lairge | Ireland | 52.1277778 | -7.8469444 | 78 | 4701 |
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