| C6 Cormullen, Foxford, Cormullen | €72,000 | 2015-03-23 |
| Cabaun, Kell, Achill | €226,000 | 2024-10-11 |
| Cabintown, Ballycastle, County Mayo | €135,000 | 2014-03-21 |
| Cabragh, Castlehill, Ballina | €362,000 | 2025-09-26 |
| Cabragh, Toomore, Foxford | €52,000 | 2015-03-20 |
| Caffoley Lahardane, Ballina, Mayo | €125,000 | 2021-06-09 |
| Caffoley, Lahardane, Ballina | €90,000 | 2015-10-19 |
| Caheen, Tiormackeady, Mayo | €341,000 | 2024-03-08 |
| Caher, Aghamore, Ballyhaunis | €160,000 | 2021-12-10 |
| Caher, Ballinrobe, County Mayo | €65,000 | 2024-02-02 |
| Caher, Kiltimagh, Mayo | €40,000 | 2025-10-24 |
| Caher, Louisburgh | €245,000 | 2019-12-12 |
| Caher, Louisburgh, Co Mayo | €130,000 | 2019-03-15 |
| Caher, Louisburgh, Mayo | €320,000 | 2023-07-04 |
| Caher, Louisburgh, Westport | €136,000 | 2017-08-23 |
| Caher, Shrule, County Mayo | €41,000 | 2018-02-09 |
| Caher, Shrule, Mayo | €287,500 | 2024-07-11 |
| Caherard, Glencorrib, Shrule | €395,000 | 2024-01-19 |
| Caherduff, Cong | €225,000 | 2016-01-22 |
| Caherduff, The Neale | €110,132 | 2015-01-14 |
| Cahereen, Dalgan, Shrule | €286,020 | 2025-08-08 |
| Cahereevagh, Cortoon, Shrule | €165,000 | 2022-03-24 |
| Cahereevagh, Shrule | €170,000 | 2012-07-23 |
| Caherloughlin, The Neale, Ballinrobe | €198,000 | 2017-12-14 |
| Cahermaculick, Shrule, Co Mayo | €140,000 | 2022-10-28 |
| Cahermaculick, Shrule, Mayo | €110,000 | 2019-04-01 |
| Cahermacullick, Shrule, Mayo | €245,000 | 2018-09-12 |
| Cahernablaughy, Kilmaine Rd, Ballinrobe | €235,000 | 2021-05-31 |
| Cahernablauhy, Ballinrobe, Mayo | €125,000 | 2020-03-27 |
| Cahernablohy, Ballinrobe, Co Mayo | €114,000 | 2018-03-21 |
| Cahernablohy, Ballinrobe, Mayo | €300,000 | 2024-03-20 |
| Cahernabrock, Shrule | €120,000 | 2016-12-22 |
| Cahernabrock, Shrule, County Mayo | €67,000 | 2021-07-19 |
| Cahernabrock, Shrule, Mayo | €245,000 | 2019-04-23 |
| Cahernabrook, Shrule | €161,233 | 2011-06-17 |
| Cahernabrook, Shrule, Co Mayo | €170,000 | 2017-12-01 |
| Cahernabrook, Shrule, Mayo | €120,000 | 2025-04-30 |
| Cahernabruck, Shrule, Co Mayo | €188,000 | 2021-07-22 |
| Cahernabruck, Shrule, Mayo | €330,000 | 2020-12-11 |
| Cahernabunogy, Kilkeeran, Ballinrobe | €120,000 | 2014-08-12 |
| Cahernacreevy, Ballinrobe, Mayo | €100,000 | 2021-04-30 |
| Cahernicole, Neale, Mayo | €135,000 | 2016-01-20 |
| Caherrevagh, Shrule, Mayo | €118,000 | 2023-09-25 |
| Caherwiclaun, Kilmaine, Co Mayo | €75,000 | 2022-08-24 |
| Cahir Na Blatha, Ballinrobe, Co Mayo | €215,000 | 2023-08-03 |
| Cahir Pier, Ballinrobe, Co Mayo | €136,000 | 2016-02-16 |
| Cahir Pier, Ballinrobe1 | €86,100 | 2014-07-15 |
| Cahir, Aghamore, Ballyhaunis | €135,000 | 2023-03-20 |
| Cahir, Aughamore, Ballyahunis | €52,000 | 2020-09-04 |
| Cahir, Ballinrobe, County Mayo | €40,500 | 2021-01-15 |
| Cahir, Ballinrobe, Mayo | €265,000 | 2019-11-26 |
| Cahir, Kiltimagh, Co Mayo | €15,000 | 2014-01-31 |
| Cahir, Kiltimagh, County Mayo | €240,000 | 2021-07-29 |
| Cahir, Louisburgh | €135,000 | 2015-06-30 |
| Cahir, Louisburgh, Co Mayo | €200,000 | 2019-04-11 |
| Cahir, Louisburgh, Mayo | €50,000 | 2018-11-27 |
| Cahir, Near Ballinrobe, Co Mayo | €107,000 | 2026-06-18 |
| Cairns, Callow, Foxford | €110,000 | 2015-04-17 |
| Callacoon, Louisburgh, Co Mayo | €150,000 | 2024-11-28 |
| Callacoon, Louisburgh, County Mayo | €45,000 | 2022-03-01 |
| Callacoon, Louisburgh, Mayo | €330,000 | 2023-11-28 |
| Calladashan, Knockmore, Ballina | €140,000 | 2024-04-22 |
| Calladashan, Knockmore, Co. Mayo | €15,000 | 2019-04-26 |
| Calladashin, Knockmore, Ballina | €40,000 | 2022-01-31 |
| Callow, Foxford, Mayo | €150,000 | 2024-06-25 |
| Calta, Farmhill, Claremorris | €402,000 | 2026-09-04 |
| Caltra, Claremorris, Mayo | €520,000 | 2025-08-22 |
| Caltragh, Claremorris | €74,000 | 2012-02-09 |
| Camcloon Beg, Glenhest Rd, Newport | €175,000 | 2018-04-10 |
| Camcloon More, Newport, Mayo | €240,000 | 2020-03-02 |
| Camcloonmore, Newport, Mayo | €225,000 | 2016-05-03 |
| Camelot, Errew, Castlehill Ballina | €400,000 | 2024-02-21 |
| Canbrack, Kiltimagh, Co Mayo | €22,500 | 2025-04-08 |
| Canbrack, Kiltimagh, Mayo | €135,000 | 2023-12-14 |
| Cannons, Market Square, Castlebar | €102,500 | 2026-03-02 |
| Canons House, Upper Main St, Ballyhaunis | €145,000 | 2023-09-19 |
| Capnagower, Clare Island, Mayo | €400,000 | 2022-05-09 |
| Capnagower, Clare Island, Westport | €60,000 | 2018-04-12 |
| Cappacurry, Ballinrobe, Co Mayo | €241,300 | 2022-10-14 |
| Cappacurry, Ballinrobe, County Mayo | €45,000 | 2025-03-25 |
| Cappacurry, Ballinrobe, Mayo | €51,000 | 2019-08-14 |
| Cappaduff, Tourmakeady, Mayo | €340,000 | 2025-04-01 |
| Cappagh, Pontoon Rd, Castlebar | €260,000 | 2026-06-25 |
| Cappaghduff East, Tourmakeady, Claremorris | €100,000 | 2012-01-19 |
| Cappaghduff, Tourmakeady, Claremorris | €67,100 | 2013-08-21 |
| Cappaghduff, Tourmakeady, Co. Mayo | €30,000 | 2022-03-21 |
| Cappaghduff, Tourmakeady, Mayo | €150,000 | 2024-11-04 |
| Cappanacreha, Killateeaun, Tourmakeady | €170,000 | 2021-07-16 |
| Cappanacreha, Tormakeady, Co Mayo | €30,000 | 2022-12-20 |
| Cappanacreha, Tourmakeady, Mayo | €50,000 | 2022-09-08 |
| Cappanacreha, Tourmakedy, Co. Mayo | €110,000 | 2017-11-29 |
| Capparaney, Castlebar Mayo, Turlough | €60,000 | 2023-02-27 |
| Capparanny, Turlough, Castlebar | €392,000 | 2025-08-29 |
| Cappareney, Turlough, Co Mayo | €10,000 | 2015-06-09 |
| Cappavicar South, Breaghwy, Castlebar | €45,000 | 2025-02-14 |
| Cappavicar, Breaffy, Castlebar | €332,000 | 2024-09-11 |
| Cappervicar, Turlough, Castlebar | €350,000 | 2021-12-17 |
| Cara Cottage, Carrabawn, Westport | €800,000 | 2024-09-02 |
| Caravilla, Hollymount, Mayo | €25,000 | 2014-07-31 |
| Carclough West, Belmullet, Co Mayo | €40,000 | 2013-11-19 |
| Carentrila, Knockmore, Ballina | €165,000 | 2011-04-26 |
| Careys Cottage, Keenagh Beg, Ballina | €500,000 | 2022-11-04 |
| Carha, Bonniconlon, Ballina | €37,500 | 2021-11-30 |
| Carheen, Tourmakeady, Claremorris | €25,000 | 2016-02-08 |
| Carheen, Tourmakeady, County Mayo | €141,000 | 2017-06-22 |
| Carheens, Cross | €115,000 | 2010-03-29 |
| Carn Beg, Aghamore, Ballyhaunis | €90,000 | 2021-02-19 |
| Carn House, Carn Nash, Belmullet | €305,000 | 2015-04-21 |
| Carn Nash, Belmullet, Co Mayo | €77,000 | 2025-04-04 |
| Carn(fowler), Belmullet | €200,881 | 2011-11-15 |
| Carn, Ballinrobe, Mayo | €260,000 | 2014-01-06 |
| Carn, Belmullet | €100,000 | 2011-05-26 |
| Carn, Belmullet, Co Mayo | €175,000 | 2024-02-14 |
| Carn, Belmullet, Mayo | €220,000 | 2021-09-01 |
| Carn, Charlestown, Mayo | €55,000 | 2022-06-30 |
| Carn, Midfield, Swinford | €80,000 | 2011-01-25 |
| Carn, Rahard, Ballinrobe | €280,000 | 2023-02-10 |
| Carn, The Neale, Ballinrobe | €432,500 | 2024-03-14 |
| Carna, Upper Main Street, Ballyhaunis | €40,000 | 2018-12-19 |
| Carnaclay, Westport, Mayo | €525,000 | 2026-08-26 |
| Carnacon, Ballyglass, Claremorris | €44,000 | 2018-07-27 |
| Carnacon, Claremorris | €200,000 | 2010-10-22 |
| Carnacross, Swinford, Co.mayo | €120,000 | 2016-01-08 |
| Carnacul, Swinford | €35,750 | 2011-06-07 |
| Carnaglough, Bonniconlon, Ballina | €130,000 | 2010-02-02 |
| Carnahaltore, Ballyglass, Claremorris | €59,390 | 2011-06-17 |
| Carnahan, Balla, Castlebar | €35,000 | 2024-09-05 |
| Carnahan, Balla, Mayo | €18,000 | 2021-10-12 |
| Carnahaun, Balla, Castlebar | €495,000 | 2026-03-27 |
| Carnalecka, Balinrobe, Mayo | €85,000 | 2023-11-02 |
| Carnalecka, Ballinrobe, Mayo | €206,000 | 2015-12-15 |
| Carnalough, Doocastle, Ballymote | €130,000 | 2022-05-12 |
| Carnalurgan, Carrabaun, Mayo | €245,000 | 2019-03-22 |
| Carnalurgan, Westport, Mayo | €275,000 | 2015-09-02 |
| Carnamarrow, Castlebar | €130,000 | 2019-08-22 |
| Carne Fowler, Blacksod Rd, Belmullet | €175,000 | 2014-12-19 |
| Carne, Bellmullet, Co Mayo | €90,000 | 2016-07-27 |
| Carne, Belmullet, Mayo | €160,000 | 2018-02-13 |
| Carne-fowler, Belmullet, Co Mayo | €160,000 | 2016-07-29 |
| Carnelacka, Ballinrobe, Mayo | €214,000 | 2021-07-09 |
| Carnfowler, Belmullet, Ballina | €253,000 | 2025-12-17 |
| Carnhill Pullathomas, Belmullet, Mayo | €70,000 | 2023-08-04 |
| Carnhill, Callow, Foxford | €75,000 | 2014-11-19 |
| Carnmor, Aghamore, Ballyhaunis | €200,000 | 2025-08-19 |
| Carnmore, Aghamore, Ballyhaunis | €27,640 | 2017-06-27 |
| Carnmore, Ballyhaunis, County Mayo | €100,000 | 2025-07-07 |
| Carnrock, Belmullet, Co. Mayo | €90,000 | 2024-05-07 |
| Carnrock, Belmullet, Mayo | €50,000 | 2016-08-26 |
| Carnview, Tullinahoo, Midfield | €326,000 | 2025-05-12 |
| Carobeg, Kilkelly, Mayo | €85,000 | 2020-03-06 |
| Carowreagh, Ballyhaunis, Co. Mayo | €67,500 | 2015-06-25 |
| Carra Lodge, Carrabaun, Westport | €595,000 | 2020-12-10 |
| Carra Ns, Carra, Bonniconlon | €145,000 | 2024-03-14 |
| Carra, Bonniconlon, Ballina | €330,000 | 2020-06-29 |
| Carrabaun, Swinford, Co. Mayo | €30,000 | 2021-10-18 |
| Carrabaun, Westport | €110,000 | 2011-02-10 |
| Carrabawn, Swinford, Co Mayo | €165,000 | 2025-11-12 |
| Carrabawn, Westport | €240,000 | 2012-09-28 |
| Carrabawn, Westport, Co Mayo | €135,000 | 2017-10-06 |
| Carrabawn, Westport, County Mayo | €308,000 | 2012-03-23 |
| Carrabawn, Westport, Mayo | €550,000 | 2026-07-02 |
| Carrabeg House, Carnalecka, Ballinrobe | €330,000 | 2023-08-18 |
| Carracastle Bohola, Claremorris, Mayo | €78,000 | 2014-12-15 |
| Carracastle, Ballaghaderreen, Co Mayo | €59,000 | 2014-11-14 |
| Carracastle, Ballaghaderreen, County Mayo | €45,000 | 2020-02-13 |
| Carracastle, Ballina, Mayo | €311,000 | 2023-03-31 |
| Carracastle, Bohola | €72,000 | 2011-08-12 |
| Carracastle, Straide, Foxford | €249,000 | 2022-08-31 |
| Carraclogher, Ballyheane, Castlebar | €44,609 | 2012-12-17 |
| Carracrum, Bonniconlon, Ballina | €135,000 | 2023-08-29 |
| Carradine, Balla, County Mayo | €50,000 | 2017-10-11 |
| Carradoogan, Attymass, Ballina | €93,000 | 2024-10-21 |
| Carragolda, Bohola, Claremorris | €66,600 | 2024-11-20 |
| Carraholly, Westport, Mayo | €650,000 | 2025-07-16 |
| Carraigmor, Belclare, Westport | €200,000 | 2017-12-12 |
| Carralackey, Kilmovee, Ballaghahereen | €100,000 | 2019-09-11 |
| Carralavin Cottage, Carralavin, Bonniconlon | €210,000 | 2025-06-13 |
| Carralavin, Bonniconlon, Ballina | €50,000 | 2025-02-26 |
| Carramore North, Belcarra, Castlebar | €235,000 | 2015-08-14 |
| Carramore, Claremorris, Mayo | €275,000 | 2025-01-06 |
| Carramore, Clogher, Claremorris | €100,000 | 2021-06-11 |
| Carramore, Killasser, Swinford | €105,000 | 2026-07-23 |
| Carramore, Knock, Claremorris | €46,000 | 2019-06-26 |
| Carramore, Knock, Mayo | €185,000 | 2022-09-08 |
| Carramore, Liscarney, Westport | €931,000 | 2021-05-17 |
| Carramore, Louisburgh, Mayo | €165,000 | 2014-05-02 |
| Carramore, Shrule, Co Mayo | €266,000 | 2025-11-24 |
| Carramore, Shrule, Mayo | €238,500 | 2018-10-26 |
| Carramore, Tagheen, Claremorris | €210,000 | 2025-04-04 |
| Carramore, Tulrahan, Claremorris | €42,000 | 2022-08-16 |
| Carranbaun, Westport, Mayo | €360,000 | 2025-08-11 |
| Carrandine, Balla, Co Mayo | €85,000 | 2015-11-20 |
| Carranglough, Bonniconlon, Ballina | €24,750 | 2012-08-27 |
| Carranore Killasser, Swinford, Mayo | €59,000 | 2022-12-19 |
| Carrantanvally, Breaffy, Castlebar | €195,000 | 2025-04-15 |
| Carrantsleva, Shraheens, Balla | €130,000 | 2022-06-27 |
| Carrarevaugh, Liscarney, Westport | €40,000 | 2025-05-12 |
| Carratowick, Westport | €100,000 | 2012-05-16 |
| Carravilla, Hollymount, Mayo | €188,000 | 2021-10-29 |
| Carrentrilla, Ballina, Mayo | €145,000 | 2017-05-05 |