| Johns Row, Westport, Mayo | €250,000 | 2026-06-22 |
| Johnsforth, Swinford, Mayo | €25,000 | 2019-02-21 |
| Johnstown, Ballyhaunis, Co Mayo | €170,000 | 2026-01-26 |
| Johnstown, Ballyhaunis, Mayo | €230,000 | 2025-06-25 |
| Journeys End, Ballyknock, Ballycastle | €285,000 | 2021-09-28 |
| Journeys End, Breaffy, Castlebar | €192,000 | 2020-12-18 |
| Journeys End, Cartron, Balla | €215,000 | 2022-07-25 |
| Juwil Cottage, Tanamantha, Dugort East Achill | €125,000 | 2025-06-13 |
| Karymara, Rosbeg, Westport | €770,000 | 2023-10-05 |
| Kate Kelly's, Ballintubber, Claremorris | €195,000 | 2025-05-13 |
| Kates Cottage, Bofeenaun, Ballina | €132,500 | 2018-06-29 |
| Katies Cottage, Pollagh Keel, Achill Island | €77,000 | 2019-03-15 |
| Keel Bay, Aghinish, Ballinrobe | €320,500 | 2012-10-22 |
| Keel East, Achill | €230,000 | 2010-05-07 |
| Keel East, Achill Island, Co Mayo | €150,000 | 2023-09-06 |
| Keel East, Achill, County Mayo | €94,000 | 2023-08-16 |
| Keel East, Achill, Mayo | €267,500 | 2021-04-15 |
| Keel Lodge Coach House, Aghinish, Ballinrobe | €340,000 | 2025-03-11 |
| Keel Lodge, Aghinish, Ballinrobe | €145,000 | 2025-03-11 |
| Keel Lodge, Keel, Achill | €107,500 | 2017-12-19 |
| Keel Rd, Cabaun, Achill Island | €82,500 | 2025-05-12 |
| Keel West Dooagh, Achill, Mayo | €140,000 | 2021-08-11 |
| Keel West, Dooagh, Achill | €1,190,000 | 2026-02-11 |
| Keel, Achill | €250,000 | 2021-12-16 |
| Keel, Achill Island, Mayo | €120,750 | 2021-09-16 |
| Keel, Achill, Mayo | €210,000 | 2018-09-20 |
| Keelcoil, Breaffy, Castlebar | €310,000 | 2018-12-14 |
| Keelderry, Bodyke, Co Clare | €65,000 | 2025-10-10 |
| Keelkill Breaffy, Castlebar, Mayo | €190,000 | 2019-12-17 |
| Keelkill, Breaghwy, Castlebar | €90,000 | 2023-08-15 |
| Keeloges Old, Ballyvary, Castlebar | €327,000 | 2015-12-18 |
| Keeloges Old, Ballyvary, Co Mayo | €410,000 | 2026-08-28 |
| Keeloges Rd, Ballyvary, Castlebar | €190,000 | 2025-12-09 |
| Keelogues Old Road, Ballyvary, Castlebar | €280,000 | 2010-12-07 |
| Keelogues Old, Ballyvary | €309,000 | 2011-11-18 |
| Keelogues Old, Ballyvary, Castlebar | €13,000 | 2014-03-13 |
| Keelogues Road, Ballybary, Co Mayo | €60,000 | 2012-12-21 |
| Keelogues, Ballyvarry, Castlebar | €78,000 | 2015-10-20 |
| Keelogues, Islandeady, Castlebar | €120,000 | 2023-12-14 |
| Keelogues, Newport, Co. Mayo | €45,000 | 2022-12-21 |
| Keeloguesnew, Ballyvary, Castlebar | €125,000 | 2021-02-12 |
| Keelwest, Achill, Mayo | €121,000 | 2021-05-14 |
| Keelwest, Dooagh, Achill | €45,000 | 2018-05-31 |
| Keem Rd Keelwest, Dooagh, Achill | €133,000 | 2014-07-29 |
| Keem Road Keelwest, Dooagh, Achill | €150,000 | 2012-06-05 |
| Keenagh Beg, Ballina, Mayo | €170,000 | 2016-01-18 |
| Keenagh, Ballina, Co Mayo | €25,000 | 2019-04-23 |
| Keenagh, Ballina, Mayo | €63,000 | 2018-05-09 |
| Keenagh, Crossmolina | €120,000 | 2010-07-28 |
| Keenagh, Crossmolina, Mayo | €120,000 | 2019-05-13 |
| Keenaghbeg, Ballina, Mayo | €36,100 | 2023-04-06 |
| Keenaghmore, Keenaghbeg, Crossmolina | €30,000 | 2017-08-21 |
| Kells Road, Wilkinstown, Co Meath | €150,000 | 2025-12-01 |
| Kenlocke Cottage, Trean Laur, Tourmakeady | €145,000 | 2011-06-14 |
| Kennedy Gardens, Castlebar, Co.mayo | €192,000 | 2018-12-21 |
| Kenure, Carramore, Taugheen | €260,000 | 2022-07-12 |
| Kevin Barry Street, Ballina, Co Mayo | €40,000 | 2016-12-02 |
| Kevin Barry Street, Ballina, Mayo | €165,000 | 2023-08-01 |
| Kiladeer, Ballyheane | €60,000 | 2011-11-11 |
| Kilaturley, Swinford, County Mayo | €28,000 | 2017-08-04 |
| Kilawalla, Westport, Mayo | €140,000 | 2016-01-06 |
| Kilbeg, Claremorris | €90,000 | 2013-03-15 |
| Kilbeg, Claremorris, Co Mayo | €170,000 | 2024-06-04 |
| Kilbeg, Claremorris, County Mayo | €90,000 | 2018-01-30 |
| Kilbeg, Claremorris, Mayo | €235,000 | 2025-06-25 |
| Kilboyne, Ballinrobe Road, Castlebar | €174,273 | 2010-02-08 |
| Kilboyne, Castlebar | €129,075 | 2019-02-27 |
| Kilboyne, Castlebar, Mayo | €280,000 | 2023-09-22 |
| Kilboyne, Cregganbell, Castlebar | €129,008 | 2024-02-02 |
| Kilbree Lower, Westport, Co Mayo | €140,000 | 2018-11-01 |
| Kilbree Lower, Westport, Mayo | €188,200 | 2016-12-02 |
| Kilbree Upper, Westport, Mayo | €150,000 | 2021-03-19 |
| Kilbree, Sheeaune, Westport | €62,000 | 2013-10-31 |
| Kilbree, Westport, Co Mayo | €150,000 | 2022-05-18 |
| Kilbree, Westport, Mayo | €110,000 | 2022-11-08 |
| Kilbride West, Finny, Clonbur | €180,000 | 2019-08-08 |
| Kilbride, Ballycastle, Co Mayo | €50,000 | 2022-12-05 |
| Kilbride, Ballycastle, Mayo | €90,000 | 2023-11-24 |
| Kilbride, Finny, Co Mayo | €65,000 | 2025-02-17 |
| Kilbride, Mayo Abbey, Claremorris | €12,000 | 2024-05-27 |
| Kilbride, Newport, Mayo | €417,000 | 2026-04-24 |
| Kilbride, Swinford, Co Mayo | €335,000 | 2025-12-17 |
| Kilbride, Swinford, Mayo | €197,500 | 2025-07-01 |
| Kilbrogan, Tooreen, Ballyhaunis | €65,000 | 2018-04-30 |
| Kilcastle, Kilmoyee, Mayo | €135,000 | 2016-04-05 |
| Kilcolman House, Kilcolman, Claremorris | €200,000 | 2023-09-28 |
| Kilcolman, Claremorris, Mayo | €300,000 | 2022-01-18 |
| Kilcommon, Hollymount, Mayo | €70,000 | 2014-05-09 |
| Kilcon, Kiltimagh, Mayo | €64,500 | 2017-06-14 |
| Kilcummin Pier, Carramore Lacken, Ballina | €18,000 | 2012-08-23 |
| Kilcummin, Carrowmore Lacken, Ballina | €40,000 | 2025-07-15 |
| Kilcummin, Lacken, Ballina | €65,000 | 2014-11-21 |
| Kildara, Tulrahan, Claremorris | €174,000 | 2023-11-30 |
| Kildare, Tulrahan, Claremorris | €38,000 | 2021-02-11 |
| Kildarra, Tulrahan, Claremorris | €58,500 | 2013-10-31 |
| Kildavarogue, Castlehill, Ballina | €210,000 | 2023-08-04 |
| Kildownet, Derreens West, Achill Sound | €109,000 | 2021-08-27 |
| Kildun Beg, The Neale, Mayo | €320,000 | 2019-05-03 |
| Kildun, Neale, Ballinrobe | €80,000 | 2019-04-10 |
| Kildun, The Neale, Ballinrobe | €49,000 | 2016-09-24 |
| Kildun, The Neale, Claremorris | €77,500 | 2016-04-06 |
| Kileen, Mulaharlin Road, Dundalk | €160,000 | 2011-08-10 |
| Kileen, Swinford, Co Mayo | €25,000 | 2018-04-10 |
| Kileenrevagh, Scarduane, Claremorris | €106,000 | 2020-02-06 |
| Kilenna, Ballycastle, Mayo | €62,000 | 2014-05-13 |
| Kilfaul, Partry, Claremorris | €75,000 | 2022-08-22 |
| Kilfea, Islanddeady, Castlebar | €140,000 | 2020-01-07 |
| Kilfea, Islandeady, Castlebar | €270,000 | 2018-03-16 |
| Kilgallan, Buckfield, Kilmeena | €438,000 | 2014-05-19 |
| Kilgalligan, Carratigue, Ballina | €85,000 | 2022-05-12 |
| Kilgariff, Charlestown, Mayo | €60,000 | 2023-11-20 |
| Kilgarrif, Cloontia, County Mayo | €108,000 | 2021-05-04 |
| Kilgarriff West, Charlestown, County Mayo | €30,000 | 2017-03-20 |
| Kilgarriff, Ballyhaunis, Co. Mayo | €60,000 | 2023-11-09 |
| Kilgarriff, Charlestown, Mayo | €172,120 | 2015-11-27 |
| Kilgarriff, Costello | €17,000 | 2010-11-25 |
| Kilgarrigan, Carratigue, Ballina | €20,000 | 2024-06-21 |
| Kilgarve, Bonniconlon, Ballina | €125,000 | 2017-08-04 |
| Kilgarvin, Bonniconlon, Ballina | €86,500 | 2010-11-05 |
| Kilgeever, Louisburgh, Co Mayo | €210,000 | 2021-12-15 |
| Kilgeever, Louisburgh, County Mayo | €229,000 | 2024-02-01 |
| Kilgeever, Louisburgh, Mayo | €435,000 | 2026-07-24 |
| Kilgelia Holiday House, Attymass, Ballina | €45,000 | 2017-11-21 |
| Kilgreana, Ballyglass, Claremorris | €158,000 | 2017-11-14 |
| Kilkeeran, Ballinrobe | €35,000 | 2013-10-02 |
| Kilkeeran, Ballinrobe, Co Mayo | €100,000 | 2019-05-03 |
| Kilkeeran, Ballinrobe, Mayo | €275,000 | 2026-05-15 |
| Kilkeeran, Kilmaine, Co Mayo | €55,000 | 2014-12-10 |
| Kilkeeran, Partry, Claremorris | €261,000 | 2010-08-25 |
| Kilkeeran, Partry, Westport | €255,000 | 2011-11-16 |
| Kilkeeron, Ballinrobe, Mayo | €30,000 | 2022-06-22 |
| Kilkelly Rd, Swinford, Mayo | €356,000 | 2026-02-13 |
| Kilkelly Road, Swinford | €50,000 | 2011-09-16 |
| Kilkelly Road, Swinford, Co Mayo | €165,000 | 2024-09-24 |
| Kilkelly Road, Swinford, Mayo | €230,000 | 2020-01-30 |
| Kilkelly, Co. Mayo | €30,000 | 2026-09-21 |
| Kilkenny Cross, Breaffy Road, Castlebar | €105,000 | 2018-09-27 |
| Kilkenny Cross, Castlebar | €135,000 | 2010-08-17 |
| Kilkenny Cross, Castlebar, Co Mayo | €215,000 | 2022-05-13 |
| Kilkenny Cross, Castlebar, Mayo | €445,000 | 2026-07-08 |
| Kilkenny Cross, Doodarry, Breaffy Castlebar | €475,000 | 2023-11-17 |
| Kilkenny Lodge, Breaffy Road, Castlebar | €430,000 | 2019-04-16 |
| Kilkenny Rd, Swinford, Mayo | €200,000 | 2022-03-24 |
| Kilkenny, Breaffy Rd, Castlebar | €560,000 | 2016-10-14 |
| Kilkenny, Castlebar | €163,000 | 2012-09-07 |
| Kilknock, Brickens, Claremorris | €340,000 | 2021-12-17 |
| Kilknock, Castlebar, Mayo | €158,000 | 2016-07-15 |
| Kill, Clare Island, Westport | €120,000 | 2025-04-08 |
| Killaclare, Kilmovee, Co. Mayo | €30,000 | 2018-11-20 |
| Killadangan, The Curragh, Castlebar | €160,000 | 2019-10-03 |
| Killadangan, Westport | €800,000 | 2011-12-13 |
| Killadangan, Westport, Co Mayo | €690,000 | 2022-07-29 |
| Killadoon, Louisburgh, County Mayo | €50,000 | 2014-02-17 |
| Killadoon, Louisburgh, Mayo | €150,000 | 2014-02-17 |
| Killadoon, Westport, Co Mayo | €200,000 | 2023-09-28 |
| Killadoon, Westport, Mayo | €307,500 | 2024-08-30 |
| Killala Rd, Ballina, Mayo | €202,000 | 2021-04-30 |
| Killala Road, Ballina, Co Mayo | €18,411 | 2026-02-10 |
| Killanley, Quay Road, Ballina | €173,000 | 2022-04-04 |
| Killary Farm, Kinnakillew, Killadoon | €130,000 | 2023-02-08 |
| Killasser House, Attinaskollia, Killasser Swinford | €120,000 | 2026-06-10 |
| Killateeaun, Tourmackeady, Claremorris | €80,000 | 2016-08-23 |
| Killateeaun, Tourmakeady, Claremorris | €287,500 | 2022-12-02 |
| Killaturley, Swinford | €20,350 | 2013-01-21 |
| Killaturley, Swinford, Co Mayo | €45,000 | 2025-05-06 |
| Killaturley, Swinford, Mayo | €90,000 | 2024-03-28 |
| Killaturly, Swinford, Mayo | €143,000 | 2015-06-30 |
| Killaughbaun, Glenisland, Castlebar | €66,500 | 2021-06-30 |
| Killavally East, Westport, Co Mayo | €50,000 | 2020-01-08 |
| Killavally East, Westport, Mayo | €267,500 | 2021-04-29 |
| Killavally West, Westport, Co Mayo | €231,000 | 2022-02-22 |
| Killavally West, Westport, County Mayo | €60,000 | 2018-04-09 |
| Killavally, Derreennascooba, Westport | €177,500 | 2025-11-17 |
| Killawalla, Westport | €225,000 | 2018-03-21 |
| Killawalla, Westport, Mayo | €222,000 | 2023-12-22 |
| Killbride, Finney, Claremorris | €140,000 | 2023-07-12 |
| Kille, Clare Island, Westport | €38,332 | 2020-10-30 |
| Killedan House, Killedan, Swinford | €175,000 | 2020-09-09 |
| Killeen Cottage, Killeen, Swinford | €108,000 | 2020-11-04 |
| Killeen Hse & Oth, Sandymount, Newport | €675,000 | 2025-03-18 |
| Killeen, Aghamore, Ballyhaunis | €60,000 | 2025-07-01 |
| Killeen, Ballindine, Co. Mayo | €10,000 | 2021-07-15 |
| Killeen, Ballycastle, Co Mayo | €30,000 | 2026-05-21 |
| Killeen, Ballycastle, Mayo | €147,500 | 2012-09-03 |
| Killeen, Ballyvary, Castlebar | €232,500 | 2023-10-19 |
| Killeen, Castlehill, Ballina | €175,000 | 2021-11-05 |
| Killeen, Castlehill, Ballina Co.mayo | €185,000 | 2011-02-14 |
| Killeen, Clogher, Claremorris | €17,500 | 2019-04-18 |
| Killeen, Kincon, Ballina | €50,000 | 2026-02-06 |
| Killeen, Swinford | €42,500 | 2013-08-27 |
| Killeen, Swinford, Co Mayo | €45,000 | 2026-07-22 |
| Killeen, Swinford, County Mayo | €30,000 | 2018-08-14 |
| Killeen, Swinford, Mayo | €160,000 | 2025-07-23 |
| Killeena, Ballycasatle | €20,000 | 2011-07-01 |
| Killeenacoff, Westport | €125,000 | 2012-09-07 |
| Killeenacoff, Westport, Mayo | €150,000 | 2023-04-25 |
| Killeenashack Moygownagh, Ballina, Mayo | €123,000 | 2018-01-23 |
| Killeenashask, Moygownagh, Ballina | €210,000 | 2012-08-17 |
| Killeencoff, Westport, Co Mayo | €195,000 | 2023-06-23 |
| Killeenfarna, Ballyhaunis Road, Claremorris | €130,000 | 2018-12-17 |