| Name | Country | Feature class | Latitude | Longitude | |
|---|---|---|---|---|---|
1151  | Moyasta  Maigh Sheasta,Moyasta | Ireland, Munster Clare | populated place | N 52° 40′ 17'' | W 9° 32′ 18'' |
| 1152 | Mountshannon Baile Ui Bheolain,Baile Uí Bheoláin,Mauntshannon,Mounckhanon,Mountshannon,Маунтшаннон,Моунцханон | Ireland, Munster Clare | populated place population 200 | N 52° 55′ 50'' | W 8° 25′ 33'' |
| 1153 | Mount Nugent Dalysbridge,Droichead Ui Dhalaigh,Droichead Uí Dhálaigh,Mount Nugent | Ireland, Ulster Cavan | populated place | N 53° 49′ 0'' | W 7° 15′ 0'' |
1154  | Mount Dalton Lough Mount Dalton,Mount Dalton Lough | Ireland, Leinster County Westmeath | lake | N 53° 31′ 0'' | W 7° 31′ 0'' |
| 1155 | Mountcollins Cnoc Ui Choileain,Cnoc Uí Choileáin,Mountcollins | Ireland, Munster Limerick | populated place | N 52° 19′ 0'' | W 9° 14′ 0'' |
| 1156 | Mountcharles Moin Searlas,Moin Séarlas,Mountcharles,Tamhnach an tSalainn,Tantallon,Моунтчарлес,Танталлон | Ireland, Ulster Donegal | populated place population 484 | N 54° 38′ 47'' | W 8° 11′ 44'' |
| 1157 | Mountbolus Cnocan Bholais,Cnocán Bhólais,Mauntboles,Mountbolus,Маунтболес | Ireland, Leinster County Offaly | populated place | N 53° 11′ 16'' | W 7° 37′ 30'' |
| 1158 | Mothel Maothail,Motel,Mothel,Мотел | Ireland, Munster Waterford | populated place | N 52° 17′ 58'' | W 7° 25′ 13'' |
| 1159 | Mornington Baile Ui Mhornain,Baile Uí Mhornáin,Mornington | Ireland, Leinster Meath | populated place | N 53° 43′ 24'' | W 6° 16′ 57'' |
| 1160 | Monkstown Monkstown | Ireland, Munster Cork | populated place | N 51° 51′ 2'' | W 8° 20′ 29'' |
| 1161 | Monivea Monivea,Monivej,Muine Mhea,Muine Mheá,monivei,monivuia,Монивеа,Монивей,მონივეი,モニヴィア | Ireland, Connacht Galway | populated place population 308 | N 53° 22′ 4'' | W 8° 41′ 52'' |
| 1162 | Moneygall Monejgal,Moneygall,Monigall,Muine Gall,monigoru,Монейгал,Монигалл,モニーゴール | Ireland, Leinster County Offaly | populated place population 310 | N 52° 52′ 49'' | W 7° 57′ 31'' |
| 1163 | Monaseed Moin na Saighead,Monaseed,Monasid,Móin na Saighead,Монасид | Ireland, Leinster County Wexford | populated place | N 52° 43′ 22'' | W 6° 23′ 18'' |
| 1164 | Monamolin Monamolin,Muine Moling,Монамолин | Ireland, Leinster County Wexford | populated place | N 52° 33′ 20'' | W 6° 20′ 38'' |
| 1165 | Mohill Maothail,Mohilas,Mohill,Mokhil,Mokhill,mohili,Мохил,Мохилл,მოჰილი | Ireland, Connacht Leitrim | populated place population 855 | N 53° 55′ 0'' | W 7° 52′ 0'' |
1166  | Mizen Head Mizen Head | Ireland, Munster Cork | cape | N 51° 26′ 56'' | W 9° 49′ 17'' |
| 1167 | Minane Bridge Droichead an Mhionnain,Droichead an Mhionnáin,Minane Bridge | Ireland, Munster Cork | populated place | N 51° 45′ 52'' | W 8° 22′ 27'' |
| 1168 | Milltownpass Bealach Bhaile an Mhuilinn,Milltownpass,Miltaunpass,Милтаунпасс | Ireland, Leinster County Westmeath | populated place | N 53° 26′ 3'' | W 7° 14′ 31'' |
| 1169 | Milltown Malbay Milltown Malbay,Miltaun-Malbej,Miltown Malbay,Sraid na Cathrach,Sráid na Cathrach,Милтаун-Малбей,Пой... | Ireland, Munster Clare | populated place population 777 | N 52° 51′ 19'' | W 9° 23′ 54'' |
| 1170 | Milltown Baile an Mhuilinn,Milltown | Ireland, Connacht Galway | populated place population 207 | N 53° 37′ 0'' | W 8° 54′ 0'' |
| 1171 | Millstreet Millstreet | Ireland, Munster Cork | populated place | N 52° 12′ 8'' | W 8° 10′ 18'' |
| 1172 | Millford Baile na nGalloglach,Baile na nGallóglach,Milford,Millford | Ireland, Ulster Donegal | populated place population 970 | N 55° 5′ 17'' | W 7° 41′ 56'' |
| 1173 | Milford Ath an Mhuilinn,Milford,Áth an Mhuilinn | Ireland, Munster Cork | populated place population 251 | N 52° 20′ 28'' | W 8° 51′ 39'' |
| 1174 | Milestone Milestone | Ireland, Munster County Tipperary | populated place | N 52° 40′ 31'' | W 8° 5′ 13'' |
| 1175 | Mount Merrion Cnoc Mhuirfean,Merrion | Ireland, Leinster Dún Laoghaire-Rathdown | section of populated place population 7,846 | N 53° 18′ 0'' | W 6° 12′ 54'' |
| 1176 | Meelin An Mhaoilinn,Meelin | Ireland, Munster Cork | populated place | N 52° 16′ 0'' | W 9° 2′ 0'' |
| 1177 | Meelick Meelick | Ireland, Connacht County Mayo | populated place | N 53° 42′ 0'' | W 8° 57′ 0'' |
| 1178 | Mayo Maigh Eo,Mayo Abbey | Ireland, Connacht County Mayo | populated place | N 53° 45′ 35'' | W 9° 7′ 1'' |
| 1179 | Maumtrasna Mam Trasna,Maumtrasna,Mám Trasna | Ireland, Connacht County Mayo | mountain elevation 682m | N 53° 36′ 47'' | W 9° 34′ 11'' |
| 1180 | Maum An Mam,An Mám,Maam,Mam,Maum,mami,momu,Мам,მამი,モーム | Ireland, Connacht Galway | populated place | N 53° 31′ 0'' | W 9° 34′ 0'' |
| 1181 | Mason Island Mason Island,Oilean Maisean,Oileán Máisean | Ireland, Connacht Galway | island | N 53° 18′ 1'' | W 9° 53′ 9'' |
1182  | The Marina Marina,The Marina | Ireland, Munster Cork | park | N 51° 54′ 0'' | W 8° 26′ 0'' |
| 1183 | Manorcunningham Mainear Ui Chuinneagain,Mainéar Uí Chuinneagáin,Manorcunningham | Ireland, Ulster Donegal | populated place population 675 | N 54° 57′ 0'' | W 7° 37′ 0'' |
| 1184 | Mangerton Mountain Mangerton Mountain | Ireland, Munster Co Kerry | mountain elevation 839m | N 51° 58′ 0'' | W 9° 30′ 0'' |
| 1185 | Malin Head Cionn Mhalanna,Cionn Mhálanna,Malin Head,Mhalanna Cionn,Mhálanna Cionn | Ireland, Ulster Donegal | headland | N 55° 23′ 2'' | W 7° 22′ 18'' |
| 1186 | Malin Beg Malainn Bhig,Malin Beg,Málainn Bhig | Ireland, Ulster Donegal | populated place | N 54° 40′ 7'' | W 8° 47′ 5'' |
| 1187 | Malin Malainn,Malin,Málainn | Ireland, Ulster Donegal | populated place population 92 | N 55° 17′ 45'' | W 7° 15′ 48'' |
| 1188 | Mahoonagh Caislean Mai Tamhnach,Caisleán Maí Tamhnach,Castlemahon,Mahoonagh,Makuna,Макуна | Ireland, Munster Limerick | populated place | N 52° 25′ 47'' | W 9° 0′ 42'' |
| 1189 | Lough Magrath More Lough Magrath More,Magrath More | Ireland, Ulster Donegal | lake | N 54° 46′ 0'' | W 8° 11′ 0'' |
| 1190 | Lough Magrath Beg Lough Magrath Beg,Magrath Beg | Ireland, Ulster Donegal | lake | N 54° 47′ 0'' | W 8° 10′ 0'' |
| 1191 | Macreddin Macreddin,Maigh Chriodain,Maigh Chríodáin,میکریڈین | Ireland, Leinster County Wicklow | populated place | N 52° 53′ 3'' | W 6° 19′ 51'' |
| 1192 | Lough Machugh Lough Machugh,Lough Mackagh | Ireland, Ulster Donegal | lake | N 54° 47′ 29'' | W 8° 22′ 12'' |
| 1193 | Macgillycuddys Reeks Macgillycuddys Reeks | Ireland, Munster Co Kerry | mountains | N 52° 0′ 0'' | W 9° 42′ 0'' |
| 1194 | Maam Cross An Teach Doite,An Teach Dóite,Maam Cross,Mam-Kross,mam krws,Мам-Кросс,مام کروس,მამ-კროსი | Ireland, Connacht Galway | populated place | N 53° 27′ 21'' | W 9° 32′ 26'' |
| 1195 | Lyre Lyre | Ireland, Munster Cork | populated place | N 52° 3′ 1'' | W 8° 1′ 22'' |
| 1196 | Lugnaquilla Log na Coille,Lugnaquilla | Ireland, Leinster County Wicklow | mountain elevation 925m | N 52° 58′ 1'' | W 6° 27′ 52'' |
| 1197 | Louth Louth,Lu,Lubhaidh,Lú | Ireland, Leinster Louth | populated place population 717 | N 53° 56′ 55'' | W 6° 32′ 29'' |
| 1198 | Louisburgh Cluain Cearban,Cluain Cearbán,Louisburgh,Louisburgkh,Luisboro,luisboro,mei ao jun lu yi si bao,Лоуис... | Ireland, Connacht County Mayo | populated place population 422 | N 53° 45′ 45'' | W 9° 48′ 33'' |
| 1199 | Loughglinn Loch Glinne,Loughglinn,Loughglynn | Ireland, Connacht County Roscommon | populated place population 184 | N 53° 49′ 21'' | W 8° 33′ 42'' |
| 1200 | Lorrha Lorra,Lorrha,Lothra,Лорра | Ireland, Munster County Tipperary | populated place | N 53° 5′ 26'' | W 8° 7′ 16'' |
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