| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Maam Cross | city | | Ireland | 53.45 | -9.5333333 | 495 | 2717 |
| Maas | city | County Donegal | Ireland | 54.8319444 | -8.3611111 | 78 | 2240 |
| Maas Lower | city | County Donegal | Ireland | 54.8333333 | -8.3666667 | 39 | 2240 |
| Maas Upper | city | County Donegal | Ireland | 54.8333333 | -8.35 | 157 | 2240 |
| Mace | city | Gaillimh | Ireland | 53.3944444 | -9.0241667 | 95 | 2592 |
| Mackans | city | | Ireland | 53.45 | -7.6333333 | 505 | 3032 |
| Mackey's Cross | city | Corcaigh | Ireland | 51.9061111 | -8.5455556 | 206 | 5215 |
| Mackeyʼs Cross | city | Corcaigh | Ireland | 51.9061111 | -8.5455556 | 206 | 5215 |
| Macreddin | city | Cill Mhantain | Ireland | 52.8819444 | -6.3297222 | 757 | 4585 |
| Macroom | city | Corcaigh | Ireland | 51.9 | -8.95 | 288 | 5215 |
| Madabawn Bridge | city | An Cabhan | Ireland | 54.0297222 | -7.0225 | 337 | 2501 |
| Maddenstown South | city | Cill Dara | Ireland | 53.1088889 | -6.9122222 | 314 | 7180 |
| Maddockstown | city | Cill Chainnigh | Ireland | 52.6319444 | -7.1919444 | 200 | 3308 |
| Maganey | city | Cill Dara | Ireland | 52.9066667 | -6.9308333 | 173 | 4798 |
| Maganey Bridge | city | Laois | Ireland | 52.9069444 | -6.9422222 | 170 | 4798 |
| Mageny | city | Cill Dara | Ireland | 52.9066667 | -6.9308333 | 173 | 4798 |
| Magh | city | County Donegal | Ireland | 55.0666667 | -7.2666667 | 3 | 10496 |
| Maghanknockane | city | Ciarrai | Ireland | 52.315 | -9.5794444 | 997 | 2413 |
| Maghanlawaun | city | Ciarrai | Ireland | 51.9713889 | -9.7775 | 905 | 2433 |
| Maghera | city | County Donegal | Ireland | 54.7625 | -8.5252778 | 396 | 1583 |
| Maghera Cross | city | An Clar | Ireland | 52.8872222 | -8.8444444 | 354 | 2507 |
| Magherabane | city | County Donegal | Ireland | 55.2055556 | -7.5172222 | 433 | 1282 |
| Magherabeg | city | County Donegal | Ireland | 54.9694444 | -7.6125 | 341 | 1855 |
| Magheraboy | city | Sligeach | Ireland | 54.2688889 | -8.4944444 | 49 | 2415 |
| Magheraboy | city | County Donegal | Ireland | 54.7744444 | -7.6538889 | 328 | 2605 |
| Magheraboy | city | County Donegal | Ireland | 55.2113889 | -7.3938889 | 531 | 2256 |
| Magheracloone | city | County Monaghan | Ireland | 53.9388889 | -6.7855556 | 206 | 3505 |
| Magheradrumman | city | County Donegal | Ireland | 55.2497222 | -7.6644444 | 226 | 1514 |
| Magheralahan | city | County Donegal | Ireland | 55.1358333 | -7.2275 | 364 | 2006 |
| Magheramore | city | Gaillimh | Ireland | 53.4091667 | -9.3019444 | 187 | 2577 |
| Magheramore | city | County Donegal | Ireland | 55.2583333 | -7.3588889 | 462 | 1898 |
| Magherarny Cross Roads | city | County Monaghan | Ireland | 54.2155556 | -7.1122222 | 249 | 3439 |
| Magherashaghry | city | County Monaghan | Ireland | 54.1011111 | -7.1758333 | 252 | 3086 |
| Maghereagh Cross | city | County Louth | Ireland | 54.0130556 | -6.5188889 | 200 | 9070 |
| Magherintemple | city | An Cabhan | Ireland | 54.0955556 | -7.2197222 | 252 | 3008 |
| Magheross | city | County Monaghan | Ireland | 53.9727778 | -6.7188889 | 262 | 3503 |
| Maghery | city | County Donegal | Ireland | 54.9294444 | -8.4419444 | 206 | 882 |
| Magoney Bridge | city | County Monaghan | Ireland | 54.0261111 | -6.6144444 | 252 | 6161 |
| Magowha | city | An Clar | Ireland | 52.8875 | -9.0525 | 223 | 2507 |
| Mahanagh | city | Sligeach | Ireland | 53.9769444 | -8.4516667 | 249 | 2589 |
| Mahon Bridge | city | Port Lairge | Ireland | 52.2047222 | -7.4997222 | 249 | 4675 |
| Mahonburgh Bridge | city | An Clar | Ireland | 52.8163889 | -9.05 | 246 | 2511 |
| Mahoonagh | city | County Limerick | Ireland | 52.4297222 | -9.0116667 | 213 | 5486 |
| Maigh Chromtha | city | Corcaigh | Ireland | 51.9 | -8.95 | 288 | 5215 |
| Maigh Cuilinn | city | Gaillimh | Ireland | 53.3405556 | -9.2036111 | 259 | 2782 |
| Maigh Mheain | city | Ciarrai | Ireland | 52.5005556 | -9.3713889 | 239 | 3247 |
| Maigh Mheáin | city | Ciarrai | Ireland | 52.5005556 | -9.3713889 | 239 | 3247 |
| Maigh Nuad | city | Cill Dara | Ireland | 53.385 | -6.5936111 | 236 | 5688 |
| Maighean Ratha | city | Laois | Ireland | 52.9988889 | -7.4727778 | 374 | 2780 |
| Maighean Rátha | city | Laois | Ireland | 52.9988889 | -7.4727778 | 374 | 2780 |
| Maine Bridge | city | Ciarrai | Ireland | 52.1972222 | -9.5716667 | 219 | 2422 |
| Mainear Ui Chuinneagain | city | County Donegal | Ireland | 54.95 | -7.6166667 | 295 | 2110 |
| Maingailaunlush | city | Ciarrai | Ireland | 52.3213889 | -9.5522222 | 820 | 2413 |
| Mainham | city | Cill Dara | Ireland | 53.3141667 | -6.7194444 | 291 | 7147 |
| Mainister na Corann | city | Corcaigh | Ireland | 51.9094444 | -8.1736111 | 154 | 4929 |
| Mainistir Eimhin | city | Cill Dara | Ireland | 53.1405556 | -7.0663889 | 249 | 5472 |
| Mainistir Eimhín | city | Cill Dara | Ireland | 53.1405556 | -7.0663889 | 249 | 5472 |
| Mainistir Fhear Mai | city | Corcaigh | Ireland | 52.1358333 | -8.2758333 | 236 | 5184 |
| Mainistir Fhear Maí | city | Corcaigh | Ireland | 52.1358333 | -8.2758333 | 236 | 5184 |
| Mainistir Laoise | city | Laois | Ireland | 52.8991667 | -7.3575 | 426 | 2816 |
| Mainistir Leathratha | city | An Longfort | Ireland | 53.7666667 | -7.45 | 272 | 2603 |
| Mainistir Leathrátha | city | An Longfort | Ireland | 53.7666667 | -7.45 | 272 | 2603 |
| Mainistir O d'Torna | city | Ciarrai | Ireland | 52.35 | -9.6833333 | 239 | 2412 |
| Mainistir na Buille | city | Ros Comain | Ireland | 53.9666667 | -8.3 | 249 | 1992 |
| Mainistir na Búille | city | Ros Comain | Ireland | 53.9666667 | -8.3 | 249 | 1992 |
| Mainistir na Feile | city | County Limerick | Ireland | 52.3813889 | -9.3025 | 419 | 4258 |
| Mainistir na Féile | city | County Limerick | Ireland | 52.3813889 | -9.3025 | 419 | 4258 |
| Mainistir Ó dʼTorna | city | Ciarrai | Ireland | 52.35 | -9.6833333 | 239 | 2412 |
| Mainéar Uí Chuinneagáin | city | County Donegal | Ireland | 54.95 | -7.6166667 | 295 | 2110 |
| Mala | city | Corcaigh | Ireland | 52.1333333 | -8.6333333 | 242 | 5184 |
| Malahide | city | Baile Atha Cliath | Ireland | 53.4508333 | -6.1544444 | 3 | 68332 |
| Malainn | city | County Donegal | Ireland | 55.3 | -7.2666667 | 101 | 1874 |
| Malin | city | County Donegal | Ireland | 55.3 | -7.2666667 | 101 | 1874 |
| Malin Beg | city | County Donegal | Ireland | 54.6686111 | -8.7847222 | 0 | 910 |
| Malin More | city | County Donegal | Ireland | 54.695 | -8.7736111 | 616 | 910 |
| Malivey | city | Gaillimh | Ireland | 53.3880556 | -9.9997222 | 9 | 1816 |
| Mall | city | Ciarrai | Ireland | 52.1605556 | -10.0302778 | 269 | 1465 |
| Mall Cross Roads | city | Corcaigh | Ireland | 51.6172222 | -9.0977778 | 328 | 4928 |
| Mallaranny | city | Maigh Eo | Ireland | 53.9038889 | -9.7897222 | 0 | 897 |
| Mallow | city | Corcaigh | Ireland | 52.1333333 | -8.6333333 | 242 | 5184 |
| Manch Bridge | city | Corcaigh | Ireland | 51.7277778 | -9.0247222 | 239 | 5233 |
| Mangerton | city | Ciarrai | Ireland | 51.9355556 | -9.4575 | 324 | 2436 |
| Manner's Town | city | County Donegal | Ireland | 55.0213889 | -7.4044444 | 101 | 9590 |
| Mannerʼs Town | city | County Donegal | Ireland | 55.0213889 | -7.4044444 | 101 | 9590 |
| Manning | city | Corcaigh | Ireland | 52.1847222 | -8.3341667 | 127 | 5178 |
| Mannion's Cross Roads | city | County Offaly | Ireland | 53.3255556 | -7.8830556 | 249 | 2674 |
| Mannionʼs Cross Roads | city | County Offaly | Ireland | 53.3255556 | -7.8830556 | 249 | 2674 |
| Manorcunningham | city | County Donegal | Ireland | 54.95 | -7.6166667 | 295 | 2110 |
| Manorhamilton | city | County Leitrim | Ireland | 54.3063889 | -8.1761111 | 229 | 1377 |
| Manseltown | city | Tiobraid Arann | Ireland | 52.7025 | -7.7155556 | 403 | 2850 |
| Mansfieldstown | city | County Louth | Ireland | 53.905 | -6.4958333 | 59 | 9871 |
| Mantlehill | city | County Limerick | Ireland | 52.6272222 | -8.9888889 | 6 | 4457 |
| Manulla | city | | Ireland | 53.8333333 | -9.1833333 | 193 | 1810 |
| Maoin | city | Cill Dara | Ireland | 52.9755556 | -6.815 | 459 | 6854 |
| Maolan na nGabhar | city | Loch Garman | Ireland | 52.4266667 | -6.5388889 | 157 | 4035 |
| Maolán na nGabhar | city | Loch Garman | Ireland | 52.4266667 | -6.5388889 | 157 | 4035 |
| Maothail | city | County Leitrim | Ireland | 53.9166667 | -7.8666667 | 269 | 1394 |
| Marble Hill | city | County Donegal | Ireland | 55.1741667 | -7.9027778 | 3 | 970 |
| Mardyke | city | Tiobraid Arann | Ireland | 52.5841667 | -7.6380556 | 538 | 2857 |
| Marino | city | Baile Atha Cliath | Ireland | 53.3666667 | -6.2333333 | 3 | 89847 |
| Markhamstown | city | Tiobraid Arann | Ireland | 52.3513889 | -7.8330556 | 252 | 3064 |
| Marley Bridge | city | Loch Garman | Ireland | 52.5333333 | -6.6233333 | 232 | 4033 |
| Marlfield | city | Baile Atha Cliath | Ireland | 53.2702778 | -6.3872222 | 531 | 96720 |
| Marsh South | city | County Louth | Ireland | 53.9961111 | -6.3527778 | 0 | 5023 |
| Marshalstown | city | Corcaigh | Ireland | 52.2619444 | -8.3561111 | 242 | 5218 |
| Marshbrook | city | County Offaly | Ireland | 53.3927778 | -7.6855556 | 252 | 2921 |
| Marston | city | Port Lairge | Ireland | 52.1397222 | -8.0847222 | 167 | 4938 |
| Martfield | city | Tiobraid Arann | Ireland | 52.3477778 | -7.7488889 | 219 | 3629 |
| Martin's Cross | city | County Louth | Ireland | 53.8630556 | -6.3102778 | 22 | 7012 |
| Martinstown Cross Roads | city | Cill Dara | Ireland | 53.1041667 | -6.8316667 | 479 | 7180 |
| Martinʼs Cross | city | County Louth | Ireland | 53.8630556 | -6.3102778 | 22 | 7012 |
| Martrybeg | city | An Clar | Ireland | 52.9230556 | -9.1805556 | 252 | 2503 |
| Mary Fort | city | An Clar | Ireland | 52.8794444 | -8.7172222 | 354 | 2507 |
| Mary Villa | city | Tiobraid Arann | Ireland | 52.8341667 | -8.4383333 | 252 | 1931 |
| Mary Ville | city | Tiobraid Arann | Ireland | 52.8341667 | -8.4383333 | 252 | 1931 |
| Maryboro' | city | Laois | Ireland | 53.0322222 | -7.3 | 459 | 2776 |
| Maryborough | city | Laois | Ireland | 53.0322222 | -7.3 | 459 | 2776 |
| Maryboroʼ | city | Laois | Ireland | 53.0322222 | -7.3 | 459 | 2776 |
| Maryfield | city | Cill Dara | Ireland | 53.2397222 | -6.6561111 | 351 | 7161 |
| Maryland | city | Maigh Eo | Ireland | 53.9 | -9.6333333 | 3 | 975 |
| Masiness | city | County Donegal | Ireland | 55.1283333 | -7.9130556 | 124 | 1674 |
| Massbrook | city | Maigh Eo | Ireland | 53.9866667 | -9.2841667 | 295 | 1806 |
| Massford Bridge | city | Cill Chainnigh | Ireland | 52.8422222 | -7.1722222 | 482 | 3150 |
| Masshill | city | Sligeach | Ireland | 54.1047222 | -8.8555556 | 495 | 2674 |
| Massy's Bridge | city | County Limerick | Ireland | 52.6275 | -8.7511111 | 42 | 4758 |
| Massytown | city | Corcaigh | Ireland | 51.9 | -8.9666667 | 291 | 5215 |
| Massyʼs Bridge | city | County Limerick | Ireland | 52.6275 | -8.7511111 | 42 | 4758 |
| Mastergeehy | city | Ciarrai | Ireland | 51.8858333 | -10.0961111 | 288 | 2436 |
| Matehy | city | Corcaigh | Ireland | 51.9527778 | -8.6572222 | 360 | 5209 |
| Maudemount Cross Roads | city | Tiobraid Arann | Ireland | 52.5597222 | -8.0769444 | 429 | 2860 |
| Maugha | city | Corcaigh | Ireland | 51.7975 | -9.3763889 | 1036 | 4264 |
| Maulanimirish | city | Corcaigh | Ireland | 51.7008333 | -9.1294444 | 482 | 5237 |
| Maulawaddra | city | Corcaigh | Ireland | 51.5386111 | -9.6372222 | 200 | 2703 |
| Maulin | city | Ciarrai | Ireland | 51.9058333 | -10.1325 | 616 | 2408 |
| Maulmane Bridge | city | Corcaigh | Ireland | 51.6919444 | -8.7219444 | 249 | 5077 |
| Maulykeavane | city | Ciarrai | Ireland | 52.1066667 | -9.3513889 | 498 | 2426 |
| Maulyneill | city | | Ireland | 51.9166667 | -9.7166667 | 616 | 2436 |
| Maum | city | Maigh Eo | Ireland | 53.8113889 | -9.9688889 | 3 | 327 |
| Maum | city | | Ireland | 53.5166667 | -9.5666667 | 157 | 2774 |
| Maum East | city | | Ireland | 53.5166667 | -9.5666667 | 157 | 2774 |
| Maum West | city | | Ireland | 53.5166667 | -9.5666667 | 157 | 2774 |
| Maunvough | city | Corcaigh | Ireland | 51.6836111 | -9.3747222 | 531 | 5237 |
| Mauricemills | city | An Clar | Ireland | 52.8972222 | -9.1444444 | 351 | 2507 |
| Mauricesmills | city | An Clar | Ireland | 52.8972222 | -9.1444444 | 351 | 2507 |
| Mayglass | city | Loch Garman | Ireland | 52.2419444 | -6.5061111 | 68 | 3465 |
| Maynooth | city | Cill Dara | Ireland | 53.385 | -6.5936111 | 236 | 5688 |
| Mayo | city | | Ireland | 53.75 | -9.1166667 | 236 | 1811 |
| Mayo | city | County Leitrim | Ireland | 54.0513889 | -7.8536111 | 255 | 1458 |
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