| Millgrange, Carlingford, Co. Louth | €75,000 | 2020-07-30 |
| Millgrange, Greenore | €200,000 | 2013-11-04 |
| Millgrange, Greenore, Co Louth | €360,000 | 2022-04-06 |
| Millgrange, Greenore, Dundalk | €325,000 | 2016-09-30 |
| Millgrange, Greenore, Louth | €300,000 | 2025-02-23 |
| Millockstown, Ardee | €10,000 | 2010-07-06 |
| Millockstown, Ardee, Co Louth | €225,000 | 2016-05-31 |
| Millockstown, Ardee, Louth | €300,000 | 2025-09-18 |
| Mills Of Louth, Dundalk, Louth | €520,000 | 2024-08-09 |
| Mills Of Louth, Louth Village, Dundalk | €410,000 | 2025-06-03 |
| Mills Of Louth, Tallanstown, Ardee | €50,000 | 2017-03-28 |
| Mills Of, Dundalk, Louth | €85,000 | 2017-10-17 |
| Millstreet, Dundalk, Louth | €240,000 | 2025-08-07 |
| Milltown Grange, Castlebellingham, Dundalk | €234,000 | 2023-01-09 |
| Milltown, Castlebellingham, Dundalk | €270,000 | 2024-04-26 |
| Milltown, Dromiskin, Dundalk | €240,000 | 2019-07-02 |
| Milltown, Grangebellew, Drogheda | €143,275 | 2022-07-01 |
| Milltown, Hackballscross, Dundalk | €170,000 | 2016-02-01 |
| Milltown, Kilkerley, Dundalk | €142,500 | 2019-11-19 |
| Milltown, Termonfeckin, Drogheda | €455,000 | 2020-11-16 |
| Millvilla Aghaboys, Mountpleasant, Dundalk | €275,000 | 2018-03-13 |
| Minerva Villa, Dublin Rd, Haggardstown | €365,000 | 2025-08-29 |
| Minerva, Dublin Rd, Dundalk | €328,000 | 2022-10-31 |
| Mink Lodge, Belcotton, Termonfeckin | €300,000 | 2023-10-31 |
| Minnies, Dundalk Road, Ardee | €80,000 | 2026-07-31 |
| Miramar, Ganderstown, Clogherhead | €519,000 | 2023-01-09 |
| Model Farm Road, Dromiskin, County Louth | €280,000 | 2014-01-22 |
| Mollyrue, Ardee Rd, Collon | €360,000 | 2023-11-21 |
| Monascriebe, Faughart, Dundalk | €146,000 | 2022-09-29 |
| Monascriebe, Mountpleasant, County Louth | €175,000 | 2024-03-01 |
| Monbar, The Laurels, Dundalk | €277,500 | 2021-09-07 |
| Moneymore, Carlingford, Louth | €420,000 | 2026-02-08 |
| Moninne, Lower Faughart, Dundalk | €210,000 | 2019-02-22 |
| Monksland Carlingford, Carlingford, Louth | €15,000 | 2019-07-26 |
| Monksland, Carlingford | €78,000 | 2010-10-26 |
| Monksland, Carlingford, Co Louth | €380,000 | 2026-02-19 |
| Monksland, Carlingford, Louth | €225,000 | 2017-10-06 |
| Monksland, Crossalaney, Carligford | €171,806 | 2014-09-30 |
| Monleek, Begrath, Tullyallen | €260,000 | 2013-05-10 |
| Montini, Newry Rd, Dundalk | €121,000 | 2014-06-18 |
| Monza, 1 Sunnyside Villas, Drogheda | €350,000 | 2021-01-22 |
| Moonsunbay, Cruicestown, Clogherhead | €440,000 | 2017-06-30 |
| Moorehall Rise, Hale St, Ardee | €268,000 | 2023-03-31 |
| Mooremount, Dunleer, Louth | €375,000 | 2021-09-03 |
| Mooretown, Dromiskin, Dundalk | €475,000 | 2024-07-03 |
| Moorhall Lodge Retirement Village, 32 Moorehall Lodge, Hale St | €145,000 | 2018-06-26 |
| Moorland Rd, Dundalk, Louth | €150,000 | 2015-08-21 |
| Moorland Road, Dundalk, Co Louth | €270,000 | 2024-07-11 |
| Mosstown North, Dunleer, Louth | €465,000 | 2024-11-18 |
| Mosstown, Dunleer, Louth | €375,000 | 2021-11-05 |
| Mosstown, North, Dunleer | €457,500 | 2019-09-18 |
| Mount Ave, Dundalk, Louth | €200,000 | 2022-03-04 |
| Mount Hawthorn House, Blackbush Lane, Dublin Rd | €700,000 | 2020-03-16 |
| Mount Oliver, Mount Avenue, Dundalk | €290,000 | 2016-12-22 |
| Mount Oliver, Patrick Street, Drogheda | €227,500 | 2019-07-18 |
| Mount Pleasent, Dublin Rd, Drogheda | €505,000 | 2021-12-20 |
| Mount Rath, Ardee Road, County Louth | €410,000 | 2010-02-02 |
| Mount View, Hale Street, Ardee | €150,000 | 2012-07-09 |
| Mountain Park, Carilngford | €313,125 | 2013-04-11 |
| Mountain Park, Carlingford | €260,000 | 2019-09-12 |
| Mountain Park, Carlingford, Co. Louth | €20,000 | 2023-09-19 |
| Mountain Park, Carlingford, Louth | €200,000 | 2026-04-16 |
| Mountain View House, Blackrock Rd, Blackrock | €1,800,000 | 2019-05-31 |
| Mountain View, 48 Oyster Bay Court, Carlingford | €392,500 | 2026-04-21 |
| Mountain View, Mccooey Terrace, Clogherhead | €530,000 | 2025-08-25 |
| Mountain View, North Commons, Carlingford | €290,000 | 2026-08-11 |
| Mountainstown, Dunleer, Co. Louth | €85,000 | 2025-06-16 |
| Mountainstown, Dunleer, Louth | €315,000 | 2024-09-11 |
| Mountainview Park, Carlingford | €367,500 | 2013-04-11 |
| Mountainview, Dundalk Street, Carlingford | €225,000 | 2018-10-18 |
| Mountbagnal, Riverstown, Dundalk | €258,000 | 2025-06-23 |
| Mountbagnall, Riverstown, Dundalk | €275,000 | 2022-06-30 |
| Mounthamilton, Ardee Rd, Dundalk | €350,000 | 2023-09-28 |
| Mounthamilton, Ardee Road, Dundalk | €160,000 | 2012-04-26 |
| Mounthamilton, Barony Of Upper Dundalk, Louth | €174,300 | 2015-08-24 |
| Mounthamilton, Carrick Road, Dundalk | €125,000 | 2014-01-22 |
| Mountpleasant, Dundalk, Louth | €180,000 | 2022-03-02 |
| Mountrush Cottage, Mountrush, Ardee | €280,000 | 2023-02-02 |
| Mountrush, Ardee | €606,250 | 2016-01-11 |
| Mountrush, Ardee, Louth | €730,000 | 2018-11-15 |
| Mourne View House, Coolfore, Monasterboice | €385,000 | 2015-08-04 |
| Mourne View, Lislea, Omeath | €220,000 | 2016-07-08 |
| Moymore, Carrick Rd, Dundalk | €610,000 | 2024-01-30 |
| Muchgrange, Greenore, Dundalk | €61,000 | 2014-02-06 |
| Muchgrange, Greenore, Louth | €362,500 | 2017-09-18 |
| Mucklagh Villa, Carlingford, Louth | €210,000 | 2019-03-20 |
| Mucklagh, Carlingford | €263,000 | 2010-03-02 |
| Muff, Louth Village, Dundalk | €300,000 | 2023-01-25 |
| Muffleg, Dundalk, Co. Louth | €145,500 | 2024-09-27 |
| Mulholland Avenue, Dundalk | €80,000 | 2013-08-22 |
| Mulla House, Rock Rd, Blackrock | €220,000 | 2017-07-05 |
| Mullabohy Carkick Rd, Knockbridge Dundalk, Louth | €390,000 | 2023-11-22 |
| Mullabouy, Knockbridge, Dundalk | €135,000 | 2012-02-13 |
| Mullaboy, Knockbridge, Louth | €75,000 | 2014-05-16 |
| Mullacapple, Collon | €90,000 | 2013-05-14 |
| Mullacapple, Collon, Co Louth | €430,000 | 2024-07-09 |
| Mullacloe, Tallanstown, Ardee | €475,000 | 2021-01-29 |
| Mullacopple, Collon | €20,000 | 2013-03-13 |
| Mullacrew, Dundalk, Louth | €210,000 | 2024-09-11 |
| Mullacrew, Louth | €96,000 | 2014-10-28 |
| Mullacrew, Louth Village | €220,000 | 2011-05-05 |
| Mullacrew, Louth Village, Co. Louth | €262,717 | 2021-10-12 |
| Mullacrew, Louth Village, Dundalk | €360,000 | 2025-01-03 |
| Mullacrew, Louth, Co Louth | €145,000 | 2022-01-14 |
| Mullacrew, Louth, County Louth | €57,500 | 2019-12-19 |
| Mullacrew, Louth, Dundalk | €165,000 | 2019-04-10 |
| Mullagh Lane, Whiterath, Dromiskin | €125,000 | 2015-11-17 |
| Mullagh Whiterath Castlebellingham, Castlebellingham, Louth | €412,500 | 2023-01-13 |
| Mullagh, Inniskeen, Dundalk | €277,000 | 2024-08-28 |
| Mullagharlin, Dundalk, Louth | €285,000 | 2025-08-22 |
| Mullaharlin Road, Dundalk | €190,000 | 2014-06-11 |
| Mullaharlin Road, Dundalk, Co Louth | €280,000 | 2026-06-22 |
| Mullaharlin Road, Dundalk, Louth | €152,000 | 2014-08-29 |
| Mullamore Tallanstown Dunoalk, Louth | €385,000 | 2024-08-29 |
| Mullamore, Tallanstown, Dundalk | €200,000 | 2023-03-29 |
| Mullary House, Dunleer, Louth | €715,000 | 2014-12-12 |
| Mullary, Dunleer, Louth | €162,000 | 2017-11-07 |
| Mullatee, Carlingford, Louth | €113,000 | 2015-12-18 |
| Mullatee, Greenore Road, Carlingford | €100,000 | 2018-07-14 |
| Mullavalley, County Louth | €100,000 | 2022-07-11 |
| Mullavalley, Louth Village, County Louth | €82,000 | 2019-06-20 |
| Mullavalley, Louth Village, Dundalk | €280,000 | 2024-08-22 |
| Mullawillan, Smarmore, Ardee | €450,000 | 2020-12-22 |
| Mullenstown, Ardee, Co Louth | €156,000 | 2014-10-09 |
| Mullenstown, Ardee, County Louth | €55,000 | 2015-11-18 |
| Mullenstown, Ardee, Louth | €287,000 | 2025-12-11 |
| Mullharlin Road, Dundalk, Louth | €150,000 | 2012-12-19 |
| Mullinmore Street, Crossmolina, County Mayo | €10,000 | 2024-12-17 |
| Mullins Cross, Dunleer, Louth | €285,000 | 2023-10-31 |
| Mullinstown, Ardee, Louth | €210,000 | 2014-11-29 |
| Muro, Mount Ave, Dundalk | €360,000 | 2020-07-20 |
| Murrays Cross, Clogherhead, Louth | €215,000 | 2019-12-18 |
| Murrays X, Grangebellew, Drogheda | €105,000 | 2024-07-05 |
| Myles House, Stickillen, Ardee | €90,299 | 2024-09-11 |
| N 167 Rathmount, Seafield Road, Blackrock | €200,617 | 2014-06-13 |
| N1 Corn Hill, William St, Ardee | €232,000 | 2023-11-27 |
| Nannies, Keenans Cross, Togher | €400,000 | 2022-03-23 |
| Naomh Bhrid, 2 Main St, Castlebellingham | €140,000 | 2024-10-14 |
| Naomh Brid Tateetra, Newtownbalregan, Dundalk | €167,500 | 2013-11-30 |
| Naomh Brid, Mullaharlin Road, Heynestown | €218,000 | 2017-09-15 |
| Naomh Brigid, 36 Avenue Road, Dundalk | €198,000 | 2018-07-13 |
| Naomh Fiacre, Ballymakenny Rd, Drogheda | €265,000 | 2020-10-15 |
| Navvy Bank, Boat House, Point Rd | €100,000 | 2024-06-21 |
| New Golf Links Rd, Blackrock, Louth | €470,000 | 2018-09-14 |
| New Golf Links Road, Blackrock, Dundalk | €370,000 | 2016-11-03 |
| New House Beside Fatima Stores, Fatima Court, Dundalk | €295,000 | 2024-06-25 |
| New Inn, Faughart, Dundalk | €140,000 | 2020-09-01 |
| New Line, Blackrock, Dundalk | €360,000 | 2023-04-25 |
| New Lodge, Beltichburne, Drogheda | €190,000 | 2011-02-07 |
| New Rath, Castlebellingham, Louth | €140,000 | 2018-07-30 |
| New Rd, Bellurgan, Dundalk | €375,000 | 2025-01-28 |
| New Rd, Bellurgan, Louth | €147,000 | 2015-06-05 |
| New Road, Bellurgan, Dundalk | €150,000 | 2018-10-04 |
| Newfoundwell, Drogheda, Co. Louth | €250,000 | 2020-01-24 |
| Newhouse Lane, Sandpit, Termonfeckin | €305,000 | 2014-11-20 |
| Newline Road, Faughart, Dundalk | €250,000 | 2025-10-31 |
| Newrath, Castlebellingham, Co Louth | €260,000 | 2026-07-20 |
| Newrath, Castlebellingham, Dundalk | €90,000 | 2018-10-24 |
| Newrath, Castlebellingham, Louth | €120,000 | 2025-08-28 |
| Newrath, Dromiskin, Dundalk | €25,000 | 2019-08-21 |
| Newry Rd, Dowdallshill, Dundalk | €100,000 | 2017-09-05 |
| Newry Rd, Dundalk, Dundalk | €75,000 | 2025-06-26 |
| Newry St, Carlingford, Louth | €85,000 | 2023-02-10 |
| Newry Street, Carlingford, Louth | €130,000 | 2026-02-23 |
| Newtown Cottages, Termonfeckin, Drogheda | €402,000 | 2023-10-03 |
| Newtown Darver, Castlebellingham, Co Louth | €194,000 | 2015-06-26 |
| Newtown House, Knockbridge, Dundalk | €375,000 | 2018-08-28 |
| Newtown Rd, Knockbridge, Dundalk | €263,000 | 2016-12-14 |
| Newtown, Baltray Rd, Termonfeckin | €306,000 | 2021-11-25 |
| Newtown, Blackbull, Drogheda | €136,000 | 2014-12-10 |
| Newtown, Castleblaney Road, Dundalk | €250,000 | 2020-01-23 |
| Newtown, Drogheda, Louth | €535,000 | 2023-09-04 |
| Newtown, Knockbridge, Dundalk | €170,000 | 2020-06-17 |
| Newtown, Knockbridge, Louth | €303,500 | 2026-04-23 |
| Newtown, Louth, County Louth | €150,000 | 2024-12-19 |
| Newtown, Monasterboice | €120,000 | 2018-06-15 |
| Newtown, Monasterboice, Co Louth | €150,000 | 2022-03-30 |
| Newtown, Monasterboice, Drogheda | €615,000 | 2024-01-11 |
| Newtown, Monasterboice, Louth | €400,000 | 2024-12-04 |
| Newtown, Monasterboyce, Drogheda | €395,000 | 2025-02-21 |
| Newtown, Stalaban, Drogheda | €250,000 | 2020-02-07 |
| Newtown, Stonetown, Dundalk | €50,000 | 2016-07-08 |
| Newtown, Termonfeckin, Drogheda | €225,000 | 2023-12-18 |
| Newtownbabe, Ardee Rd, Dundalk | €150,000 | 2016-03-14 |
| Newtownbalregan, Bridge A Chrinn, Dundalk | €290,000 | 2011-01-28 |
| Newtownbalregan, Castleblaney Road, Dundalk | €180,000 | 2017-10-27 |
| Newtownbalregan, Dundalk, Louth | €335,000 | 2023-04-21 |
| Newtowndarver, Castlebellingham, County Louth | €255,000 | 2024-12-06 |
| Newtowndarver, Castlebellingham, Louth | €155,000 | 2014-01-06 |
| Newtownfane, Knockbridge, Dundalk Louth | €211,000 | 2018-12-10 |
| Newtownstalaban (1), Termonfeckin Road, Drogheda | €245,000 | 2022-11-14 |
| Newtownstalaban, Drogheda | €220,000 | 2010-09-08 |
| Newtownstalaban, Drogheda, Louth | €360,000 | 2026-06-30 |
| Newtownstalaban, Termonfeckin Rd, Drogheda | €135,000 | 2019-12-19 |
| Nicholastown, Ardee, Co. Louth | €492,000 | 2021-12-10 |
| Nicholastown, Togher, Drogheda | €123,500 | 2019-07-08 |
| Nicholastown, Togher, Louth | €425,000 | 2018-11-14 |
| Nirvana, North Commons, Carlingford | €900,000 | 2024-06-14 |
| Nivard House, Redgap, Monasterboice | €628,000 | 2023-01-10 |
| No 1 & No. 3, The Quarry Chapel Hill, Carlingford | €185,000 | 2012-06-11 |