| Claris, Newtowncashel, Longford | €55,000 | 2017-05-05 |
| Clariss, Newtowncashel, Longford | €230,000 | 2024-12-20 |
| Clearaun, Newtowncashel, Co Longford | €26,000 | 2014-05-27 |
| Cleenrah, Aughnacliffe, County Longford | €150,000 | 2017-08-03 |
| Cleenrah, Aughnacliffe, Longford | €235,000 | 2020-12-22 |
| Cleenrath, Aughnacliff, Co Longford | €135,000 | 2026-08-04 |
| Cleenrath, Aughnacliffe, Co Longford | €35,000 | 2014-03-21 |
| Cleenrath, Aughnacliffe, Longford | €200,000 | 2024-10-28 |
| Clenellen, Drumlish, Co Longford | €72,000 | 2016-09-26 |
| Clengrath, Augnacliee, Longford | €65,000 | 2021-11-12 |
| Cleraun, Newtowncashel | €59,000 | 2012-12-07 |
| Cleraun, Newtowncashel, County Longford | €165,000 | 2024-01-16 |
| Cleraun, Newtowncashel, Longford | €250,000 | 2024-11-15 |
| Cloghan, Abbeyshrule, Co Longford | €50,000 | 2017-08-04 |
| Cloghan, Moydow, Co Longford | €250,000 | 2023-12-14 |
| Cloghan, Moydow, Longford | €175,000 | 2023-06-22 |
| Cloghan, Shrule, Co Longford | €80,000 | 2026-04-13 |
| Clonahard, Dublin Road, Freehellman | €320,000 | 2024-05-17 |
| Clonahard, Longford, Longford | €130,000 | 2014-10-31 |
| Clonahussey, Edgeworthstown, Longford | €325,000 | 2023-12-10 |
| Clonard, Ballymahon, Co. Longford | €102,000 | 2025-03-20 |
| Clonart, Dromod | €35,000 | 2013-09-11 |
| Clonaughill, Drumlish, Co Longford | €45,000 | 2016-03-18 |
| Clonback, Aughnacliffe | €16,640 | 2012-06-22 |
| Clonbalt House Clonbalt Woods, Clonbalt, Longford | €135,000 | 2016-01-29 |
| Clonbalt Lane, Longford, County Longford | €265,000 | 2025-08-25 |
| Clonbalt, Longford | €80,000 | 2013-10-24 |
| Clonbalt, Longford, Co Longford | €275,000 | 2026-05-07 |
| Clonbalt, Longford, Longford | €250,000 | 2022-09-16 |
| Clonbeg, Clontymullen, Legan | €270,000 | 2024-07-26 |
| Clonbrock, Killashee, Longford | €72,000 | 2021-06-25 |
| Clonca, Edgeworthstown, Longford | €510,000 | 2026-09-17 |
| Cloncallow, Ballymahon, Co Longford | €270,000 | 2021-09-30 |
| Cloncallow, Ballymahon, Longford | €80,000 | 2018-12-17 |
| Cloncallow, Forgney, Ballymahon | €380,000 | 2025-01-22 |
| Cloncoose, Ballinalee Rd, Longford | €102,500 | 2012-09-11 |
| Cloncoose, Longford | €205,000 | 2012-11-16 |
| Cloncoose, Longford, County Longford | €522,500 | 2022-12-01 |
| Cloncoose, Longford, Longford | €126,500 | 2016-12-01 |
| Cloncowley, Drumlish, Longford | €95,000 | 2016-11-30 |
| Cloncullen, Ballymahon | €85,000 | 2014-03-13 |
| Cloncullen, Ballymahon, Co Longford | €220,000 | 2023-02-09 |
| Cloncullen, Ballymahon, Longford | €365,000 | 2025-06-16 |
| Clondra Village, Longford, Longford | €75,000 | 2016-06-29 |
| Clondra West, Longford, Longford | €50,000 | 2019-12-09 |
| Clondra, Co. Longford | €120,000 | 2011-07-29 |
| Clondra, Longford. | €40,000 | 2012-11-13 |
| Clonee, Killoe, Co Longford | €95,000 | 2016-03-10 |
| Clonee, Killoe, County Longford | €53,000 | 2021-02-09 |
| Cloneen, Moyvore | €34,000 | 2012-01-03 |
| Clonellan, Newtownforbes, Longford | €139,500 | 2023-09-22 |
| Clonelly, Moyne | €30,000 | 2012-03-14 |
| Clonelly, Moyne, Co Longfor | €130,000 | 2025-12-15 |
| Clonelly, Moyne, Longford | €40,000 | 2024-11-12 |
| Clonevit, Moydow | €80,000 | 2019-12-02 |
| Clonevit, Moydow, County Longford | €45,000 | 2016-12-21 |
| Clonfin, Ballinalee | €34,000 | 2010-06-22 |
| Clonfin, Ballinalee, Longford | €228,000 | 2021-06-11 |
| Clonfore, Lanesboro | €140,000 | 2013-08-13 |
| Clonfower, Lanesboro, Longford | €315,000 | 2024-09-09 |
| Clonfower, Lanesborough | €80,000 | 2013-12-12 |
| Clonfuigh, Killashee, Longford | €350,000 | 2025-07-25 |
| Clonker House, 5A Park Rd, Longford | €210,000 | 2022-01-25 |
| Clonmee, Lanesboro, Longford | €315,000 | 2025-04-11 |
| Clonmee, Longford | €90,000 | 2015-02-25 |
| Clonmore Cottage, Cloonmore, Killashee | €85,000 | 2015-09-23 |
| Clonmore, Killashee, Co Longford | €40,000 | 2015-05-27 |
| Clonmore, Killashee, Longford | €420,000 | 2024-07-02 |
| Clonmucker, Kenagh, Co. Longford | €30,000 | 2020-07-09 |
| Clonrallagh, Drumlish Rd, Longford | €147,000 | 2014-12-23 |
| Clonrollagh, Drumlish Road, Longford | €140,000 | 2018-04-11 |
| Clonrollagh, Longford, Co Longford | €103,000 | 2017-06-23 |
| Clonscott, Moydow | €141,000 | 2013-09-20 |
| Clonscott, Moydow, Longford | €110,000 | 2020-02-29 |
| Clonterm, Longford, Longford | €210,000 | 2024-08-19 |
| Clontumper, Ballinalee, Co Longford | €225,000 | 2023-05-18 |
| Clontumpher, Ballinalee | €101,500 | 2012-12-18 |
| Clontumpher, Ballinalee, County Longford | €30,000 | 2018-02-28 |
| Clontumpher, Ballinalee, Longford | €88,000 | 2022-02-17 |
| Clonturk, Ballymccormack, County Longford | €100,000 | 2023-01-04 |
| Clonturk, Longford | €90,000 | 2011-08-03 |
| Clonturk, Longford, Co Longford | €95,000 | 2014-05-09 |
| Clontymullen, Newtown, Legan | €47,735 | 2014-06-27 |
| Clonwhelan, Edgeworthstown | €100,000 | 2011-07-29 |
| Clonwhelan, Edgeworthstown, Co. Longford | €42,000 | 2026-06-24 |
| Cloonadra, Lanerboro, Longford | €320,000 | 2026-06-09 |
| Cloonageeher, Newtownforbes | €20,000 | 2016-11-01 |
| Cloonagh 2, Dring, Co Longford | €161,000 | 2022-12-16 |
| Cloonagh, Dring, Co Longford | €47,500 | 2018-11-21 |
| Cloonagh, Dring, Longford | €227,500 | 2020-12-11 |
| Cloonagh, Drumlish | €259,500 | 2021-06-15 |
| Cloonagh, Drumlish, Longford | €150,000 | 2023-02-16 |
| Cloonagh, Granard | €115,000 | 2018-12-18 |
| Cloonanny, Longford, Co Longford | €149,000 | 2024-06-14 |
| Cloonart Bornacoola, Bornacoola, Longford | €70,000 | 2015-04-24 |
| Cloonart North, Bornacoola, County Longford | €154,000 | 2019-02-08 |
| Cloonart South, Bornacoola, Co Longford | €385,000 | 2023-05-02 |
| Cloonart, Bornacoola, County Longford | €125,000 | 2012-05-18 |
| Cloonart, Bornacoola, Longford | €250,000 | 2017-09-13 |
| Cloonart, Bornacooola, Co. Longford | €150,000 | 2011-05-30 |
| Cloonart, Dromod | €29,900 | 2013-06-28 |
| Cloonaugh Lower, Drumlish, Co Longford | €276,000 | 2026-07-15 |
| Cloonaugh Lower, Drumlish, Longford | €332,500 | 2024-10-18 |
| Cloonaugh Upper, Drumlish, Co Longford | €300,000 | 2025-03-28 |
| Cloonaugh Upper, Drumlish, County Longford | €300,000 | 2025-03-28 |
| Cloonaugh, Drumlish | €20,000 | 2013-09-02 |
| Cloonaugh, Drumlish, Co Longford | €155,000 | 2026-01-12 |
| Cloonaugh, Drumlish, County Longford | €55,000 | 2023-10-14 |
| Cloonaugh, Drumlish, Longford | €345,000 | 2024-10-22 |
| Cloonback, Aughnacliffe, Longford | €92,000 | 2020-12-18 |
| Cloonbalt Lane, Cloonbalt, County Longford | €650,000 | 2025-09-23 |
| Cloonbalt, Longford | €425,000 | 2024-03-08 |
| Clooncallow, Ballymahon | €153,000 | 2011-06-29 |
| Clooncarne, Bornacoola, Longford | €35,000 | 2012-12-20 |
| Clooncaufield, Moydow | €38,200 | 2012-12-19 |
| Clooncaugh, Edgeworthstown, Longford | €150,000 | 2021-05-11 |
| Clooncolligan, Bornacoola, Carrick On Shannon | €100,000 | 2021-05-12 |
| Clooncolligan, Bornacoola, County Longford | €70,000 | 2026-03-23 |
| Clooncoose, Longford | €317,000 | 2025-01-16 |
| Clooncoose, Longford, Co Longford | €468,500 | 2023-04-24 |
| Cloondara, Longford | €221,000 | 2026-06-25 |
| Clooneen, Dromod | €40,933 | 2011-06-22 |
| Clooneen, Dromod, Co Longford | €27,000 | 2016-10-05 |
| Cloonellan, Drumlish, Co. Longford | €138,000 | 2025-10-30 |
| Cloonkeel, Kilashee, County Longford | €100,000 | 2012-11-30 |
| Cloonkeel, Killashee | €64,000 | 2010-06-18 |
| Cloonkeel, Killashee, Longford | €240,000 | 2025-08-27 |
| Cloonkeen, Ardagh, Longford | €85,000 | 2017-10-04 |
| Cloonmacart, Drumlish, Co Longford | €75,000 | 2026-09-21 |
| Cloonmacart, Longford Rd, Drumlish | €200,000 | 2021-04-28 |
| Cloonmeen, Bornacoola, Carrick On Shannon | €30,000 | 2016-01-26 |
| Cloonmore, Longford, Whitehall | €43,000 | 2023-10-17 |
| Cloonmore, Whitehall, Longford | €55,000 | 2024-04-16 |
| Cloonscott, Moydow, Co Longford | €45,000 | 2017-02-08 |
| Cloontagh, Killashee, Longford | €99,000 | 2020-06-05 |
| Cloontagh, Newtownforbes, Co Longford | €65,000 | 2026-05-28 |
| Cloontagh, Newtownforbes, Longford | €240,000 | 2019-08-01 |
| Cloontaghmore, Killashee, Longford | €70,000 | 2022-04-14 |
| Cloontaghmore, Lanesboro, Longford | €151,000 | 2024-07-18 |
| Cloonteagh, Newtownforbes | €134,000 | 2010-04-29 |
| Cloughan, Abbeyshrule, Co Longford | €37,000 | 2014-09-18 |
| Cloughan, Abbeyshrule, Longford | €242,000 | 2021-08-10 |
| Cloughan, Abbeyshrule, Longford Agreement | €200,000 | 2021-11-18 |
| Cloughernal, Granard, Longford | €133,000 | 2025-07-30 |
| Cloughernal, Grandard, Co. Longford | €55,000 | 2025-11-07 |
| Cluain Caonach, Kenagh | €498,000 | 2014-05-28 |
| Clygeen, Legan, Longford | €100,000 | 2021-04-30 |
| Clynan, Abbeyshrule, County Longford | €107,000 | 2017-07-05 |
| Cois Abhainn, Black Island Rd, Ballinalee | €60,000 | 2016-10-11 |
| Cois Aghainn, Clondra, Longford | €100,000 | 2015-07-31 |
| Cokboy, Edgeworthstown, Longford | €225,000 | 2022-03-30 |
| Collogue House Mostrim, Longford, Longford | €110,000 | 2020-12-09 |
| Colmlann, Aughnashannagh, Ballinalee | €80,000 | 2025-04-04 |
| Commack, Moydow, Co. Longford | €99,000 | 2016-05-31 |
| Commons North, Rathcline Rd, Lanesboro | €125,000 | 2020-07-24 |
| Coolamber Manor Demesne, Lisryan | €200,000 | 2011-02-11 |
| Coolamber, Lisryan, Co Longford | €160,000 | 2022-12-16 |
| Coolamber, Lisryan, Longford | €40,000 | 2020-10-02 |
| Coolamber, Mostrim, Longford | €192,000 | 2014-12-11 |
| Coolarty, Co Longford | €85,000 | 2015-10-16 |
| Coolarty, Edgeworthstown, Longford | €80,000 | 2018-08-24 |
| Coolcaw, Ardagh, Longford | €52,000 | 2016-01-20 |
| Coolcor, Granard | €225,000 | 2010-09-08 |
| Coolcor, Granard, Co. Longford | €25,000 | 2016-09-16 |
| Coolcor, Granard, County Longford | €112,500 | 2021-02-08 |
| Cooldoney Abbeylara, Abbeylara, Longford | €30,000 | 2015-02-03 |
| Cooldoney, Abbeylara, Longford | €86,000 | 2018-08-22 |
| Cooleeney, Longford | €120,000 | 2010-12-22 |
| Cooleeney, Shroid, Co Longford | €85,000 | 2016-10-05 |
| Cooleeney, Shroid, Longford | €147,500 | 2018-01-29 |
| Cooleeny, Ardagh Rd, Longford | €152,000 | 2017-03-13 |
| Cooleeny, Shroid, Longford | €250,000 | 2020-01-24 |
| Coolgar, Granard, Co Longford | €101,000 | 2015-04-30 |
| Coolnahinch, Keenagh, Co Longford | €90,000 | 2025-09-17 |
| Coolnahinch, Longford | €255,000 | 2025-03-18 |
| Coolnainch, Longford, Longford | €140,000 | 2020-12-11 |
| Coracorkey, Legan | €40,000 | 2013-06-07 |
| Corboy, Edgesworthstown | €90,000 | 2011-12-02 |
| Corboy, Edgeworthstown | €40,000 | 2010-04-15 |
| Corboy, Edgeworthstown, Co. Longford | €130,000 | 2024-01-10 |
| Corboy, Edgeworthstown, County Longford | €46,000 | 2015-11-06 |
| Corboy, Edgeworthstown, Longford | €165,000 | 2023-12-19 |
| Corboy, Estate, Edgeworthstown | €55,000 | 2018-06-26 |
| Corboy, Longford | €28,000 | 2010-04-15 |
| Corboy, Mostrim, Longford | €141,000 | 2019-03-14 |
| Corclaragh, Edgeworthstown, County Longford | €40,000 | 2017-01-20 |
| Coreyna, Ballymahon | €80,000 | 2017-05-30 |
| Corglass, Moyne, Longford | €90,000 | 2024-04-21 |
| Corlea, Drumlish, Co Longford | €107,500 | 2021-07-12 |
| Corlea, Enybegs, Longford | €87,500 | 2014-09-26 |
| Corlea, Keenagh, Co. Longford | €340,000 | 2023-04-21 |
| Corllaragh, Edgeworthstown, Longford | €360,000 | 2023-12-13 |
| Cormagalva, Newtowncashel | €85,500 | 2011-01-07 |
| Cormaglava House, Newtowncashel, Longford | €180,400 | 2013-11-27 |
| Cormaglove, Newtowncashel, Co. Longford | €32,500 | 2016-12-16 |
| Cornacarta Ballymahon, Ballymahon, Longford | €225,000 | 2023-04-28 |
| Cornacarta, Ballymahon | €46,940 | 2012-12-21 |
| Cornacarta, Ballymahon, Co. Longford | €90,000 | 2025-08-22 |
| Cornadough, Newtowncashel | €100,000 | 2013-09-25 |
| Cornadough, Newtowncashel, Co Longford | €90,000 | 2021-05-07 |