| Tullycallick, Emyvale, Co Monaghan | €285,000 | 2019-05-22 |
| Tullycallick, Glaslough, Monaghan | €180,000 | 2017-01-13 |
| Tullycara, Castleblayney, Monaghan | €230,000 | 2023-09-01 |
| Tullycaragh, Castleblayney, Monaghan | €275,000 | 2026-03-24 |
| Tullycoora, Drumacrib, Castleblaney | €650,000 | 2022-02-22 |
| Tullycoora, Drumacrib, Castleblayney | €95,000 | 2023-12-21 |
| Tullycroman, Monaghan | €250,000 | 2024-10-08 |
| Tullycroman, Monaghan, Co Monaghan | €162,500 | 2019-02-25 |
| Tullygoney, Tydavnet | €139,000 | 2014-01-02 |
| Tullygoney, Tydavnet, County Monaghan | €150,000 | 2024-03-20 |
| Tullygoney, Tydavnet, Monaghan | €200,000 | 2020-11-24 |
| Tullygrimes, Clones Road, Monaghan | €100,000 | 2016-06-10 |
| Tullyharnett, Castleblayney, County Monaghan | €30,000 | 2022-03-04 |
| Tullyharnett, Castleblayney, Monaghan | €123,750 | 2018-08-16 |
| Tullyhattna, Castleblayney, County Monaghan | €20,000 | 2021-01-20 |
| Tullyherim, Monaghan | €345,000 | 2020-11-18 |
| Tullyherim, Monaghan Town, Co Monaghan | €315,000 | 2019-10-10 |
| Tullyherim, Monaghan, Co Monaghan | €300,000 | 2020-07-20 |
| Tullykenny, Smithborough, County Monaghan | €45,000 | 2021-11-29 |
| Tullylish, Monaghan | €219,500 | 2019-11-06 |
| Tullylougherney, Magheracloone, Carrickmacross | €300,000 | 2023-10-03 |
| Tullynacrunat, Castleblayney, Co Monaghan | €60,000 | 2021-08-11 |
| Tullynacrunat, Castleblayney, Monaghan | €140,000 | 2025-09-01 |
| Tullynacrunnatt, Castleblaney, Monaghan | €140,000 | 2021-03-31 |
| Tullynacrunnet, Castleblayney, Monaghan | €250,000 | 2026-07-22 |
| Tullynageer, Mullycash, Co Monaghan | €120,000 | 2019-12-20 |
| Tullynagrow, Castleblayney, Monaghan | €355,000 | 2025-06-19 |
| Tullynahinera, Castleblayney, Co Monaghan | €235,000 | 2022-05-11 |
| Tullynahinnera, Castleblaney, County Monaghan | €22,900 | 2023-03-02 |
| Tullynahinnera, Castleblayney, Monaghan | €145,000 | 2023-06-15 |
| Tullynamalra, Loughmourne, Castleblayney | €270,000 | 2025-12-12 |
| Tullynamalroe, Loughmourne, Castleblaney | €155,000 | 2016-04-18 |
| Tullynanegish, Loughmourne, Castleblayney | €75,000 | 2023-12-20 |
| Tullynaskeagh East, Carrickmacross, Monaghan | €270,000 | 2016-07-20 |
| Tullynaskeagh West, Carrickmacross, Co Monaghan | €90,000 | 2017-02-17 |
| Tullynaskeagh, Carrickmacross | €185,000 | 2012-02-29 |
| Tullynaskeagh, Carrickmacross, Co Monaghan | €310,000 | 2021-11-08 |
| Tullynaskeagh, Carrickmacross, Monaghan | €50,000 | 2019-09-27 |
| Tullynaskeagh, Drumconrath Rd, Carrickmacross | €105,000 | 2013-07-30 |
| Tullyougherney, Broomfield, Castleblaney | €80,000 | 2015-10-29 |
| Tullyrain, Monaghan | €100,000 | 2017-10-10 |
| Tullyreas, Clones, Co. Monaghn | €70,000 | 2019-04-02 |
| Tullyree, Glaslough, County Monaghan | €130,000 | 2022-10-14 |
| Tullythisney, Oram, Castleblayney | €200,000 | 2020-05-22 |
| Tullyvanus, Cremorne, Co Monaghan | €80,000 | 2021-05-19 |
| Tullyvanus, Drumacrib, Castleblaney | €450,000 | 2023-03-01 |
| Tullyvaragh, Broomfield, Castleblayney | €55,000 | 2018-03-28 |
| Tullyvogey, Tydavnet, Monaghan | €65,000 | 2013-01-08 |
| Ture, Clones, Monaghan | €69,000 | 2024-08-01 |
| Tusker, Broomfield, Castleblayney | €40,000 | 2017-01-18 |
| Tusker, Broomfield, Monaghan | €35,000 | 2020-02-03 |
| Tyholland, Monaghan | €750,000 | 2025-04-30 |
| Tyleadon, Monaghan | €210,000 | 2012-09-05 |
| Ullinagh, Loughmourne, Castleblayney | €160,000 | 2021-08-25 |
| Umerafree, Corduff, Carrickmacross | €480,000 | 2024-10-18 |
| Unit 2, Main Street, Rockcorry | €20,000 | 2013-06-27 |
| Unit 3, Main Street, Rockcorry | €30,000 | 2013-06-27 |
| Unit 51 Knock Carrick, Annyalla, Castleblayney | €36,950 | 2013-11-15 |
| Unit 8 Lakeside Walk, North Road, Monaghan | €63,436 | 2017-10-10 |
| Units 1-8 (inclusive), Radharc An Bhri, Bree | €1,452,275 | 2021-07-23 |
| Upper Creeve, Latton, Castleblaney | €110,000 | 2020-07-07 |
| Urblekirk, Dunraymond, Monaghan | €225,000 | 2018-08-27 |
| Urblekirk, Monaghan, Co Monaghan | €435,000 | 2024-07-03 |
| Urcher, Stranooden, Monaghan | €251,000 | 2020-02-14 |
| Valley View House, Rooskey, Co. Monaghan | €170,000 | 2019-11-04 |
| Violet Hill View, Drum, Monaghan | €100,000 | 2022-07-28 |
| West St, Castleblayney, Monaghan | €78,750 | 2018-05-16 |
| White Door Opposite Mart, Muckno St, Castleblayney | €40,000 | 2020-03-27 |
| White House, Milltown, Monaghan | €200,000 | 2024-12-18 |
| Whitegate Lodge, Newbliss, Monaghan | €450,000 | 2025-09-04 |
| Willow Lodge, Tullyherim, Monaghan | €375,000 | 2020-08-11 |
| Windy Ridge, Tonaneave, Magheracloone | €112,000 | 2019-10-31 |
| Woodbrook House, Carrickmacross, Co Monaghan | €283,000 | 2019-01-25 |
| Woodview, Laragh, Castleblayney | €175,000 | 2015-02-20 |
| Woodview, Shankill, Shercock | €215,000 | 2024-04-08 |
| Woodycrest, Cornagal Broomfield, Castleblayney | €112,000 | 2024-11-27 |
| Wyndcroft, Newtownbutler Rd, Clones | €181,000 | 2022-03-15 |
| York House, York Street, Castleblayney | €250,000 | 2026-07-01 |
| York St, Castleblayney, Monaghan | €220,000 | 2024-11-12 |