| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Maigh Arnaí | city | Wexford | Ireland | 52.39 | -6.72 | 278 | 2061 |
| Maigh Each | city | Wexford | Ireland | 52.56 | -6.48 | 249 | 2867 |
| Maolan na nGabhar | city | Wexford | Ireland | 52.43 | -6.54 | 157 | 3515 |
| Marley Bridge | city | Wexford | Ireland | 52.53 | -6.62 | 232 | 5447 |
| Marshalstown | city | Wexford | Ireland | 52.55 | -6.59 | 246 | 6449 |
| Mayglass | city | Wexford | Ireland | 52.24 | -6.51 | 68 | 3402 |
| Meelgarrow | city | Wexford | Ireland | 52.46 | -6.80 | 830 | 1770 |
| Mervyn | city | Wexford | Ireland | 52.28 | -6.40 | 3 | 2909 |
| Milehouse | city | Wexford | Ireland | 52.52 | -6.59 | 200 | 9487 |
| Millquarter | city | Wexford | Ireland | 52.38 | -6.84 | 249 | 1721 |
| Millroad | city | Wexford | Ireland | 52.18 | -6.56 | 0 | 2195 |
| Milltown | city | Wexford | Ireland | 52.59 | -6.47 | 236 | 2649 |
| Mine Bridge | city | Wexford | Ireland | 52.69 | -6.49 | 337 | 2370 |
| Mocurry Bridge | city | Wexford | Ireland | 52.56 | -6.72 | 380 | 1481 |
| Mocurry Cross Roads | city | Wexford | Ireland | 52.56 | -6.71 | 377 | 1578 |
| Monacahee | city | Wexford | Ireland | 52.26 | -6.91 | 180 | 2285 |
| Monagarrow | city | Wexford | Ireland | 52.73 | -6.20 | 95 | 3085 |
| Monagear | city | Wexford | Ireland | 52.53 | -6.47 | 249 | 2396 |
| Monagreany | city | Wexford | Ireland | 52.56 | -6.40 | 249 | 1729 |
| Monale | city | Wexford | Ireland | 52.77 | -6.33 | 830 | 1328 |
| Monamolin | city | Wexford | Ireland | 52.56 | -6.34 | 223 | 1983 |
| Monamolin | city | Wexford | Ireland | 52.49 | -6.83 | 830 | 1284 |
| Monart | city | Wexford | Ireland | 52.50 | -6.60 | 187 | 9830 |
| Monaseed | city | Wexford | Ireland | 52.72 | -6.39 | 830 | 1416 |
| Monasootagh | city | Wexford | Ireland | 52.66 | -6.47 | 830 | 1900 |
| Monbay | city | Wexford | Ireland | 52.68 | -6.42 | 830 | 1695 |
| Moneydurtlow | city | Wexford | Ireland | 52.61 | -6.54 | 249 | 2305 |
| Moneytucker | city | Wexford | Ireland | 52.48 | -6.69 | 249 | 2113 |
| Monmore | city | Wexford | Ireland | 52.40 | -6.51 | 42 | 3260 |
| Moufin | city | Wexford | Ireland | 52.48 | -6.58 | 170 | 10810 |
| Mount George | city | Wexford | Ireland | 52.58 | -6.42 | 249 | 1773 |
| Mounthoward Cross Roads | city | Wexford | Ireland | 52.58 | -6.37 | 249 | 1911 |
| Moylisha | city | Wexford | Ireland | 52.74 | -6.63 | 830 | 1288 |
| Muchwood Cross Roads | city | Wexford | Ireland | 52.36 | -6.56 | 157 | 4771 |
| Muileann an tSáile | city | Wexford | Ireland | 52.22 | -6.83 | 0 | 2055 |
| Muine Moling | city | Wexford | Ireland | 52.49 | -6.83 | 830 | 1284 |
| Mullanagower | city | Wexford | Ireland | 52.40 | -6.47 | 39 | 4127 |
| Mullanour | city | Wexford | Ireland | 52.31 | -6.54 | 311 | 7808 |
| Mullaun | city | Wexford | Ireland | 52.76 | -6.29 | 383 | 1952 |
| Mullinderry Bridge | city | Wexford | Ireland | 52.29 | -6.81 | 78 | 2377 |
| Mullinnagore | city | Wexford | Ireland | 52.43 | -6.54 | 157 | 3515 |
| Mullán na gCruach | city | Wexford | Ireland | 52.76 | -6.29 | 383 | 1952 |
| Mullán na nGabhar | city | Wexford | Ireland | 52.40 | -6.47 | 39 | 4127 |
| Mulmontry Bridge | city | Wexford | Ireland | 52.33 | -6.68 | 196 | 2175 |
| Mulrankin | city | Wexford | Ireland | 52.24 | -6.53 | 62 | 3341 |
| Murntown | city | Wexford | Ireland | 52.28 | -6.52 | 190 | 6299 |
| Myaugh | city | Wexford | Ireland | 52.56 | -6.48 | 249 | 2867 |
| Mye Cross Roads | city | Wexford | Ireland | 52.47 | -6.51 | 246 | 5767 |
| Mylerspark | city | Wexford | Ireland | 52.35 | -6.88 | 249 | 2217 |
| Móin na Caothaí | city | Wexford | Ireland | 52.26 | -6.91 | 180 | 2285 |
| Móin na Saighead | city | Wexford | Ireland | 52.72 | -6.39 | 830 | 1416 |
| Móin na gCaor | city | Wexford | Ireland | 52.53 | -6.47 | 249 | 2396 |