| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Mid Town | city | County Donegal | Ireland | 55.1347222 | -7.7022222 | 0 | 1856 |
| Middlequarter | city | Tiobraid Arann | Ireland | 52.2419444 | -7.8169444 | 803 | 3696 |
| Middleton | city | Corcaigh | Ireland | 51.9094444 | -8.1736111 | 154 | 4929 |
| Middletown | city | Maigh Eo | Ireland | 53.8516667 | -9.1744444 | 193 | 1807 |
| Middletown | city | County Donegal | Ireland | 55.0741667 | -8.2722222 | 229 | 2170 |
| Midfield | city | | Ireland | 53.9 | -8.9166667 | 291 | 1806 |
| Midleton | city | Corcaigh | Ireland | 51.9094444 | -8.1736111 | 154 | 4929 |
| Milehouse | city | Loch Garman | Ireland | 52.5169444 | -6.5930556 | 200 | 4033 |
| Milemill | city | Cill Dara | Ireland | 53.1175 | -6.7325 | 472 | 6874 |
| Milestone | city | Tiobraid Arann | Ireland | 52.6752778 | -8.0869444 | 892 | 2850 |
| Milestown | city | An Mhi | Ireland | 53.4038889 | -6.5025 | 259 | 11302 |
| Milford | city | Corcaigh | Ireland | 52.3333333 | -8.85 | 433 | 5208 |
| Milford | city | County Donegal | Ireland | 55.0880556 | -7.6988889 | 226 | 2008 |
| Milk Haven | city | Sligeach | Ireland | 54.4180556 | -8.5 | 29 | 1317 |
| Mill Bridge | city | Ciarrai | Ireland | 52.0666667 | -9.5372222 | 223 | 2427 |
| Mill Town | city | County Donegal | Ireland | 54.9802778 | -7.5338889 | 209 | 2119 |
| Mill Town | city | County Monaghan | Ireland | 54.1366667 | -6.6913889 | 462 | 4401 |
| Millbrook | city | An Mhi | Ireland | 53.7480556 | -7.1638889 | 439 | 4019 |
| Millbrook Bridge | city | County Offaly | Ireland | 53.2175 | -7.7972222 | 216 | 2657 |
| Milleen Bridge | city | Corcaigh | Ireland | 51.585 | -9.1866667 | 249 | 5210 |
| Milleeny | city | Corcaigh | Ireland | 51.9405556 | -9.2541667 | 853 | 3924 |
| Millfield | city | Corcaigh | Ireland | 51.9180556 | -8.4705556 | 209 | 5209 |
| Millford | city | County Donegal | Ireland | 55.0880556 | -7.6988889 | 226 | 2008 |
| Millicent Cross Roads | city | Cill Dara | Ireland | 53.2788889 | -6.6975 | 285 | 7152 |
| Millmount | city | County Donegal | Ireland | 55.1219444 | -8.1097222 | 209 | 2122 |
| Millroad | city | Loch Garman | Ireland | 52.1847222 | -6.5591667 | 0 | 2230 |
| Millstreet | city | Corcaigh | Ireland | 52.0666667 | -9.0666667 | 446 | 5190 |
| Millstreet | city | Corcaigh | Ireland | 52.2022222 | -8.1716667 | 341 | 5117 |
| Millstreet | city | Port Lairge | Ireland | 52.1636111 | -7.75 | 305 | 4701 |
| Milltown | city | Ciarrai | Ireland | 52.1419444 | -10.2897222 | 0 | 1773 |
| Milltown | city | Ciarrai | Ireland | 52.15 | -9.7166667 | 236 | 2423 |
| Milltown | city | Corcaigh | Ireland | 51.5872222 | -8.9794444 | 173 | 4709 |
| Milltown | city | | Ireland | 53.6166667 | -8.9 | 150 | 2751 |
| Milltown | city | Sligeach | Ireland | 54.3394444 | -8.5011111 | 134 | 2117 |
| Milltown | city | County Donegal | Ireland | 54.6408333 | -8.3888889 | 3 | 1691 |
| Milltown | city | County Donegal | Ireland | 54.6530556 | -8.2586111 | 45 | 1641 |
| Milltown | city | County Donegal | Ireland | 54.8480556 | -7.6197222 | 193 | 2315 |
| Milltown | city | County Donegal | Ireland | 55.16 | -7.59 | 259 | 1940 |
| Milltown | city | An Cabhan | Ireland | 54.065 | -7.4775 | 255 | 2414 |
| Milltown | city | County Donegal | Ireland | 55.0233333 | -7.4761111 | 196 | 2021 |
| Milltown | city | Cill Chainnigh | Ireland | 52.3858333 | -7.245 | 479 | 3326 |
| Milltown | city | County Donegal | Ireland | 55.2338889 | -7.1544444 | 255 | 2266 |
| Milltown | city | | Ireland | 54.25 | -6.9833333 | 226 | 3480 |
| Milltown | city | An Cabhan | Ireland | 53.9819444 | -6.9130556 | 492 | 2774 |
| Milltown | city | Cill Dara | Ireland | 53.2033333 | -6.8630556 | 501 | 7166 |
| Milltown | city | Cill Mhantain | Ireland | 53.0547222 | -6.7197222 | 498 | 6107 |
| Milltown | city | County Carlow | Ireland | 52.8361111 | -6.6333333 | 387 | 4320 |
| Milltown | city | Loch Garman | Ireland | 52.5866667 | -6.4738889 | 236 | 4026 |
| Milltown | city | Baile Atha Cliath | Ireland | 53.3208333 | -6.4594444 | 259 | 84178 |
| Milltown | city | County Louth | Ireland | 53.8241667 | -6.3127778 | 157 | 9523 |
| Milltown | city | Baile Atha Cliath | Ireland | 53.31 | -6.2472222 | 144 | 88981 |
| Milltown Bridge | city | County Limerick | Ireland | 52.525 | -8.8530556 | 121 | 5475 |
| Milltown Cross Roads | city | Corcaigh | Ireland | 52.3316667 | -8.7330556 | 515 | 5169 |
| Milltown Cross Roads | city | Cill Chainnigh | Ireland | 52.5969444 | -6.9536111 | 91 | 3923 |
| Milltown Cross Roads | city | County Carlow | Ireland | 52.7141667 | -6.7411111 | 439 | 4236 |
| Milltown Malbay | city | An Clar | Ireland | 52.8552778 | -9.3983333 | 216 | 1989 |
| Milltownpass | city | An Iarmhi | Ireland | 53.4341667 | -7.2419444 | 452 | 3055 |
| Milmorane | city | Corcaigh | Ireland | 51.8611111 | -9.1894444 | 505 | 5219 |
| Miltown Malbay | city | An Clar | Ireland | 52.8552778 | -9.3983333 | 216 | 1989 |
| Min Larach | city | County Donegal | Ireland | 55.1447222 | -8.1866667 | 68 | 1154 |
| Min an Labain | city | County Donegal | Ireland | 54.9833333 | -7.8666667 | 242 | 2307 |
| Minane Bridge | city | Corcaigh | Ireland | 51.7644444 | -8.3741667 | 239 | 4400 |
| Minanes | city | Corcaigh | Ireland | 51.6505556 | -9.1797222 | 328 | 5243 |
| Minard | city | Ciarrai | Ireland | 52.1227778 | -10.1402778 | 85 | 878 |
| Mine Bridge | city | Loch Garman | Ireland | 52.6891667 | -6.4919444 | 337 | 4204 |
| Minola | city | | Ireland | 53.8333333 | -9.1833333 | 193 | 1810 |
| Mionlach | city | Gaillimh | Ireland | 53.4166667 | -8.5797222 | 249 | 2867 |
| Mira | city | Gaillimh | Ireland | 53.3788889 | -8.81 | 200 | 2870 |
| Miseal | city | County Carlow | Ireland | 52.685 | -6.7783333 | 882 | 4225 |
| Mitchells Town | city | County Donegal | Ireland | 55.0919444 | -7.2386111 | 0 | 3621 |
| Mitchelstown | city | Corcaigh | Ireland | 52.2658333 | -8.2680556 | 456 | 5252 |
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