| Mabestown, The Ward | — | 5 |
| Macetown, Tara | — | 8 |
| Maelduin, Dunshaughlin | €425,000 | 43 |
| Maelduin, Lagore Rd | — | 6 |
| Main Courtyard, Headfort Demesne | — | 5 |
| Main St, Nobber | — | 7 |
| Main Street, Ballivor | — | 6 |
| Main Street, Clonee | — | 9 |
| Main Street, Duleek | — | 7 |
| Manor Court, Dunshaughlin | €505,000 | 13 |
| Manorland, Trim | — | 5 |
| Manorlands Close, Trim | €267,000 | 8 |
| Manorlands Crescent, Trim | — | 7 |
| Maple Avenue, Archerstown Wood | — | 12 |
| Maple Avenue, Johnstown Wood | — | 5 |
| Maple Crescent, Johnstown Wood | — | 5 |
| Maple Dr, Kells | — | 5 |
| Maple Drive, Archerstown Wood | €422,907 | 33 |
| Maple Drive, Millfarm | — | 12 |
| Maple Grove, Ashbourne | — | 5 |
| Maple Grove, Johnstown | — | 5 |
| Maple Grove, Johnstown Wood | — | 6 |
| Maplewood House, Royal Oaks | €262,115 | 12 |
| Marble Court, Dunshaughlin | €240,000 | 11 |
| Marian Villas, Laytown | — | 9 |
| Market Place, Dunshaughlin | — | 8 |
| Marshallstown, Kilmessan | — | 7 |
| Maudlin Court, Kells | €205,000 | 11 |
| Maudlin Road, Kells | €212,500 | 13 |
| Maudlin Street, Kells | €212,500 | 23 |
| Maudlin Vale, Trim | €298,500 | 32 |
| Maydenhayes Crescent, Maydenhayes | — | 13 |
| Maydenhayes Crescent, Mornington | — | 15 |
| Maydenhayes Glen, Maydenhayes | — | 6 |
| Maydenhayes Glen, Mornington | — | 23 |
| Maydenhayes Lane, Maydenhayes | — | 12 |
| Maydenhayes Lane, Mornington | — | 17 |
| Maydenhayes Lodge, Maydenhayes | — | 10 |
| Maydenhayes Lodge, Mornington | — | 7 |
| Maydenhayes Mews, Maydenhayes | — | 11 |
| Maydenhayes Mews, Mornington | — | 9 |
| Maydenhayes Road, Maydenhayes | €353,500 | 29 |
| Maydenhayes Road, Mornington | €405,000 | 39 |
| Maydenhayes Square, Maydenhayes | — | 21 |
| Maydenhayes Square, Mornington | — | 14 |
| Mayo Rd, Gibbstown | — | 6 |
| McDermott Villas, Navan | €256,000 | 8 |
| Meadow Green, Rowley's Lock | €356,828 | 21 |
| Meadowbank Hill, Ratoath | €510,000 | 24 |
| Meadowlands, Athboy | €378,000 | 21 |
| Meadstown, Dunderry | — | 8 |
| Meath Hill, Drumconrath | — | 7 |
| Mill Avenue, Maudlin Road | €339,207 | 5 |
| Mill Avenue, Millerstown | €363,413 | 54 |
| Mill Brook, Millerstown | €321,585 | 18 |
| mill Close, Glasheen | — | 9 |
| Mill Close, Millerstown | — | 13 |
| Mill Gate, Millerstown | €397,500 | 58 |
| Mill Lane, Glasheen | — | 5 |
| Mill Park, Glasheen | — | 5 |
| Mill Park, Millerstown | €383,259 | 9 |
| Mill Race, Duleek | — | 15 |
| Mill Rd, Glasheen | — | 9 |
| Mill Stream, Millerstown | €387,665 | 16 |
| Mill Way, Glasheen | — | 6 |
| Mill Way, Millerstown | €440,529 | 29 |
| Millbourne Avenue, Ashbourne | — | 5 |
| Millbourne Avenue, Slane Road | — | 12 |
| Millbourne Close, Ashbourne | — | 12 |
| Millbourne Close, Millbourne | — | 5 |
| Millbourne Close, Slane Road | — | 14 |
| Millbourne Crescent, Ashbourne | €410,000 | 18 |
| Millbourne Crescent, Slane Road | — | 12 |
| Millbourne Drive, Ashbourne | — | 23 |
| Millbourne Drive, Millbourne | — | 10 |
| Millbourne Drive, Slane Road | €389,500 | 65 |
| Millbourne Grove, Ashbourne | — | 13 |
| Millbourne Park, Ashbourne | — | 11 |
| Millbourne Park, Slane Road | — | 14 |
| Millbrook, Johnstown | €242,500 | 82 |
| Millbrook, Oldcastle | — | 6 |
| Millbrook Apts, Johnstown | €222,500 | 6 |
| Millbrook Apts, Millbrook | €200,000 | 10 |
| Millbrook Rd, Oldcastle | — | 6 |
| Millgate, Millerstown | — | 5 |
| Millrace, Duleek | €225,000 | 19 |
| Milltown Est, Ashbourne | — | 6 |
| Milltown Manor, Ashbourne | €440,485 | 55 |
| Milltown Meadows, Ashbourne | — | 67 |
| Milltown Road, Ashbourne | — | 6 |
| Moathill Manor, Athboy Rd | €202,000 | 16 |
| Moathill Manor, Navan | €185,000 | 16 |
| Moatlands, Rathoath | — | 5 |
| Moatlands, Ratoath | €355,000 | 14 |
| Mooretown, Ratoath | — | 11 |
| Mornington Court, Mornington | €307,500 | 23 |
| Mornington Green, Trim | — | 5 |
| Mornington Heights, Trim | — | 9 |
| Mornington Manor Ave, Mornington | — | 9 |
| Mornington Manor Crescent, Mornington | — | 9 |
| Mornington Manor Dr, Mornington | — | 8 |
| Mornington Tower, Mornington | €340,000 | 15 |
| Mornington Towers, Mornington | €306,500 | 18 |
| Morton Hall, Brews Hill | — | 5 |
| Moulden Bridge, Ratoath | €440,000 | 37 |
| Moy view, Kildalkey | — | 6 |
| Moyfenrath, Enfield | — | 12 |
| Moymet, Kilbride | — | 6 |
| Moyrath Close, Kildalkey | €440,528 | 8 |
| Moyrath View, Kildalkey | €272,500 | 19 |
| Moyview, Kildalkey | €488,000 | 9 |
| Mulhussey, KIlcock | — | 6 |
| Mullaghmore, Drumconrath | — | 6 |
| The Maudlins, Trim | €300,000 | 9 |
| The Meadow, Oldbridge Manor | €251,101 | 13 |
| The Meadows, Castle Farm | €339,207 | 39 |
| The Meadows, Castlefarm | €377,474 | 10 |
| The Meadows, Kildalkey | €280,000 | 27 |
| The Meadows, Millfarm | — | 6 |
| The Meadows, Oldbridge Manor | — | 26 |
| The Meadows, Whitefield Manor | €456,000 | 37 |
| The Mews, Baker Hall | €321,586 | 32 |
| The Mews, Dunboyne Castle | — | 5 |
| The Mews, Silver Banks | €281,938 | 22 |
| The Mill Tree, Ratoath | €533,000 | 13 |
| The Moy, Summerhill | — | 7 |