| Lettergullion, Ballinamuck | €100,000 | 2013-09-04 |
| Lettergullion, Ballinamuck, Co Longford | €184,000 | 2025-08-01 |
| Lettergullion, Ballinamucuck, Co Longford | €350,000 | 2024-09-26 |
| Lettergullion, Drumlish | €63,000 | 2013-01-17 |
| Lettergullion, Drumlish, Longford | €185,000 | 2024-01-08 |
| Lettergullion, Longford | €60,000 | 2016-11-25 |
| Lettergunnell, Balinalee, Co Longford | €131,000 | 2017-07-27 |
| Lettergunnell, Ballinalee, County Longford | €220,000 | 2020-09-18 |
| Linkview, Dublin Rd, Longford | €255,000 | 2021-02-05 |
| Lis Brac Rd, Longford, Longford | €96,000 | 2018-04-30 |
| Lis Na Gree, Lisryan, Granard | €225,000 | 2020-01-24 |
| Lisacreevy, Colehill, Ballymahon | €250,000 | 2025-02-19 |
| Lisameen, Ballinalee | €105,000 | 2011-06-17 |
| Lisameen, Ballinalee, Co Longford | €75,000 | 2015-11-25 |
| Lisameen, Ballinalee, Longford | €160,000 | 2016-06-10 |
| Lisameen, Moat Farrell, Co. Longford | €92,000 | 2019-01-25 |
| Lisameen, Moatefarrell, Longford | €425,000 | 2021-11-10 |
| Lisameen, Moatfield, Ballinalee | €210,000 | 2022-08-11 |
| Lisamen, Moatefarrell, Co. Longford | €43,000 | 2014-10-21 |
| Lisanagh, Edgeworthstown, Longford | €400,000 | 2024-12-19 |
| Lisanure, Edgeworthstown, Co Longford | €43,000 | 2015-10-15 |
| Lisanurlan, Longford, Co Longford | €45,000 | 2016-06-21 |
| Lisanurlan, Longford, Longford | €300,000 | 2024-11-15 |
| Lisanurlan, Strokestown Rd, Longford | €160,000 | 2014-12-22 |
| Lisardowling, Dublin Rd, Longford | €550,000 | 2025-08-29 |
| Lisbrack House, Lisbrack, Co Longford | €550,000 | 2024-04-12 |
| Lisbrack, Newtownforbes, Longford | €214,000 | 2021-07-30 |
| Liscahill, Edgeworthstown, Co Longford | €111,000 | 2022-03-08 |
| Liscahill, Edgeworthstown, Longford | €200,000 | 2022-03-23 |
| Liscrevagh, Lanesborough, Co Longford | €100,000 | 2023-03-06 |
| Lisdara, Ennybegs, Longford | €304,000 | 2022-04-01 |
| Lisduff Cottage, Lisduff Montgomery, Moydow | €149,450 | 2017-11-27 |
| Lisduff, Ardagh, Longford | €400,000 | 2021-12-21 |
| Lisduff, Co Longford | €51,000 | 2015-07-07 |
| Lisduff, Longford | €130,000 | 2025-05-01 |
| Lisduff, Longford, Co Longford | €45,000 | 2019-08-26 |
| Lisduff, Longford, County Longford | €230,000 | 2011-10-25 |
| Lisduff, Longford, Longford | €115,000 | 2025-11-19 |
| Lisduff, Moydow | €218,000 | 2011-07-01 |
| Lisduff, Moydow, Ardagh | €135,000 | 2016-02-05 |
| Lisduff, Stonepark, Longford | €222,000 | 2019-08-02 |
| Lishratigan, Coolarty | €15,675 | 2013-08-21 |
| Lisieux, Dublin Rd, Longford | €150,000 | 2016-12-22 |
| Lislea, Ballinalee, Co. Longford | €300,000 | 2023-01-04 |
| Lislea, Ballinalee, Longford | €163,000 | 2023-11-10 |
| Lislea, Keenagh, Longford | €90,000 | 2024-03-04 |
| Lislea, Kenagh | €29,023 | 2012-09-04 |
| Lislea, Kenagh, Co Longford | €56,940 | 2021-11-05 |
| Lislea, Kenagh, Longford | €93,062 | 2015-11-05 |
| Lislea, Moydow, County Longford | €50,000 | 2023-05-29 |
| Lislom, Ballymahon, Co Longford | €176,000 | 2026-06-04 |
| Lislom, Ballymahon, Longford | €145,000 | 2023-05-11 |
| Lismacmurragh, Keenagh, Longford | €122,500 | 2019-05-27 |
| Lismagoneen, Clonbroney | €136,564 | 2011-07-15 |
| Lismagooneen House 1, Edgeworthstown, Co Longford | €200,000 | 2021-06-17 |
| Lismagooneen, Edgeworthstown, Co Longford | €290,000 | 2021-10-27 |
| Lismagooneen, Edgeworthstown, Longford | €40,000 | 2017-12-21 |
| Lismore, Longford | €25,000 | 2017-12-18 |
| Lismore, Longford, Longford | €50,000 | 2021-07-30 |
| Lismore, Newtownforbes, Co Longford | €150,000 | 2024-12-17 |
| Lismore, Newtownforbes, Longford | €145,000 | 2015-12-14 |
| Lismoy, Newtownforbes | €275,000 | 2010-08-10 |
| Lismoy, Newtownforbes, Co Longford | €240,000 | 2021-12-10 |
| Lismoy, Newtownforbes, Longford | €238,000 | 2020-06-10 |
| Lisnabo, Newtownforbes, Co Longford | €210,000 | 2022-07-22 |
| Lisnabo, Newtownforbes, Longford | €660,000 | 2021-09-30 |
| Lisnacreevy, Colehill, Co. Longford | €52,000 | 2025-05-23 |
| Lisnacusha, Lanesborough, County Longford | €115,000 | 2023-08-31 |
| Lisnageeragh, Edgeworthstown, Longford | €100,000 | 2018-02-06 |
| Lisnageeragh, Mostrim, Co Longford | €168,000 | 2019-10-14 |
| Lisnagrish, Dublin Rd, Edgeworthstown | €40,000 | 2016-08-20 |
| Lisnagrish, Dublin Road, Edgeworthstown | €220,000 | 2010-08-12 |
| Lisnagrish, Rd Edgeworthstown, Longford | €185,000 | 2018-06-07 |
| Lisnamuck, Longford | €375,000 | 2021-08-23 |
| Lisnamuck, Longford Rd, Longford | €155,000 | 2017-02-21 |
| Lisnanagh Edgeworthstown, Edgeworthstown, Longford | €160,000 | 2016-09-26 |
| Lisnanagh, Edgeworthstown | €100,000 | 2012-09-28 |
| Lisnanagh, Edgeworthstown, Co Longford | €365,000 | 2022-04-14 |
| Lisnanagh, Edgeworthstown, County Longford | €62,000 | 2014-10-09 |
| Lisnanagh, Edgeworthstown, Longford | €450,000 | 2024-08-02 |
| Lisnanagh, Mostrim, Co Longford | €150,000 | 2025-02-11 |
| Lisraghtigan, Colerty, Longford | €149,500 | 2017-07-12 |
| Lisraghtigan, Coolarty, County Longford | €15,000 | 2018-05-23 |
| Lisraghtigan, Coolarty, Granard | €34,900 | 2023-07-25 |
| Lisrathigan, Coolarty | €114,537 | 2013-11-11 |
| Lisrhatigan, Coolarty | €20,699 | 2013-07-23 |
| Lisrhatigan, Granard | €20,000 | 2011-08-17 |
| Lisroy, Viewmount, Longford | €246,000 | 2024-12-16 |
| Lisryan, Edgeworthstown, Co. Longford | €44,021 | 2013-11-04 |
| Lisryan, Edgeworthstown, Longford | €115,000 | 2019-10-04 |
| Lisryan, Granard | €45,000 | 2012-12-10 |
| Lisryan, Granard, Co Longford | €220,000 | 2018-09-07 |
| Lisryan, Granard, Longford | €30,000 | 2014-08-22 |
| Lisryan, Longford | €160,000 | 2013-11-19 |
| Lissanisky, Ballymahin, County Longford | €165,000 | 2018-12-14 |
| Lissanore, Edgeworthstown | €180,000 | 2010-09-30 |
| Lissanure, Edgeworthstown, Longford | €181,000 | 2024-09-13 |
| Lissawariff, Carrickboy | €67,000 | 2012-02-20 |
| Lissawarriff, Carrcickboy | €385,000 | 2011-06-03 |
| Lissawarriff, Carrickboy, Longford | €27,000 | 2017-09-28 |
| Lissduff, Ardagh, Co Longford | €100,000 | 2020-05-20 |
| Lissfarrell, Mostrim, Longford | €200,000 | 2020-06-19 |
| Lissianskey, Ballymahon, Longford | €227,500 | 2019-08-16 |
| Listraghee, Ballinalee, Co. Longford | €310,000 | 2026-08-10 |
| Listrahee, Ballinalee, Longford | €268,000 | 2026-01-26 |
| Llamedos, Currygrane, Ballinalee | €122,500 | 2015-08-07 |
| Lognahaw, Lismoy, Newtownforbes | €242,500 | 2023-06-22 |
| Lonford Country House, Ennybegs, Longford | €1,061,500 | 2023-10-09 |
| Long Ave, Colehill, Longford | €100,000 | 2026-04-01 |
| Longfield House, Curry, Newtownforbes | €300,000 | 2014-12-02 |
| Longfield, Edgeworthstown | €155,000 | 2012-09-11 |
| Longfield, Edgeworthstown, Co Longford | €290,000 | 2024-04-26 |
| Longford Rd, Drumlish, Longford | €95,000 | 2023-01-30 |
| Longford Rd, Lanesborough, Longford | €265,000 | 2016-10-20 |
| Longford Road, Ballinalee, Co Longford | €230,000 | 2024-10-01 |
| Longford Road, Drumlish | €94,365 | 2012-02-17 |
| Longhal House, Lisduff | €155,000 | 2010-07-07 |
| Loughanderg, Killalon, Co Meath | €30,000 | 2025-05-16 |
| Loughbawn, Newtowncashel, Co. Longford | €258,000 | 2023-12-18 |
| Loughill, Ardagh, Longford | €130,000 | 2024-01-22 |
| Loughill, Keenagh, Longford | €50,000 | 2024-03-21 |
| Loughill, Kenagh, Co Longford | €80,000 | 2021-10-19 |
| Lower Ferefad, Longford, Longford | €204,000 | 2019-06-20 |
| Lus Na Greine, Main Street, Granard | €150,000 | 2026-04-28 |
| Lyanmore, Ardagh | €250,000 | 2011-10-14 |
| Lyanmore, Ardagh, Longford | €139,950 | 2016-10-01 |
| Lyneen, Kilashee, Co. Longford | €25,000 | 2025-03-12 |
| Lyneen, Killashee, Longford | €100,000 | 2025-07-11 |
| Mac Art Meadows, Leitrim Cross, Newtownforbes | €140,000 | 2017-05-11 |
| Macart Meadows, Leitrim Cross, Newtownforbes | €33,039 | 2014-04-04 |
| Magali, Shrygarrow, Newtown Forbes | €210,000 | 2016-08-18 |
| Maghoraveen, Lanesboro, Longford | €275,000 | 2021-10-28 |
| Maguires Houses, Kilmore Lower, Longford | €140,000 | 2016-04-05 |
| Mahoraveen, Lanesboro, Longford | €115,000 | 2021-02-10 |
| Main St Ballymahon, Ballymahon, Longford | €270,000 | 2024-01-18 |
| Main St, Ballinalee, Longford | €170,000 | 2025-02-28 |
| Main St, Ballymahon, Co Longford | €182,000 | 2022-11-03 |
| Main St, Ballymahon, Longford | €170,000 | 2025-10-01 |
| Main St, Drumlish, Longford | €110,000 | 2025-09-18 |
| Main St, Edgeworthstown, Co. Longford | €105,000 | 2022-05-03 |
| Main St, Edgeworthstown, Longford | €140,000 | 2024-08-12 |
| Main St, Granard, Longford | €32,000 | 2015-12-23 |
| Main St, Keenagh Village, Keenagh | €175,000 | 2023-12-19 |
| Main St, Kenagh, Longford | €117,000 | 2020-03-10 |
| Main St, Lanesborough, Longford | €147,500 | 2026-04-01 |
| Main St, Newton Forbes, Longford | €35,000 | 2015-11-24 |
| Main St, Newtownforbes, Longford | €176,000 | 2026-01-09 |
| Main Street, Ballinalee, Co Longford | €170,000 | 2026-03-06 |
| Main Street, Ballymahon, Co. Longford | €100,000 | 2024-08-02 |
| Main Street, Ballymahon, County Longford | €102,397 | 2019-08-15 |
| Main Street, Ballymahon, Longford | €105,000 | 2019-10-04 |
| Main Street, Clondra, Co Longford | €276,000 | 2025-06-06 |
| Main Street, Drumlish, Co Longford | €36,500 | 2019-11-21 |
| Main Street, Edgeworthstown, Co. Longford | €15,000 | 2016-12-02 |
| Main Street, Edgeworthstown, County Longford | €100,000 | 2021-11-01 |
| Main Street, Edgeworthstown, Longford | €120,000 | 2024-05-29 |
| Main Street, Granard, Co Longford | €150,000 | 2026-05-07 |
| Main Street, Kenagh, Co. Longford | €25,000 | 2020-07-24 |
| Main Street, Kenagh, Longford | €155,000 | 2025-02-17 |
| Main Street, Lanesboro, Co Longford | €150,000 | 2015-05-08 |
| Main Street, Lanesborough, Co. Longford | €75,000 | 2022-03-28 |
| Main Street, Longford | €50,000 | 2013-11-05 |
| Main Street, Newtownforbes, Co. Longford | €100,000 | 2019-10-21 |
| Majors Well Rd, Longford, Longford | €310,000 | 2023-10-06 |
| Mardan House, Stonepark, Longford | €160,000 | 2011-03-08 |
| Market St, Granard, Longford | €30,000 | 2021-03-28 |
| Market Street, Granard, Co Longford | €67,000 | 2026-03-20 |
| Market Street, Granard, Longford | €15,000 | 2014-11-20 |
| Maryville House, Slieve, Clondra | €370,000 | 2022-09-05 |
| Mccormacks Pub, Abbeylara, Co Longford | €260,000 | 2025-06-06 |
| Meadow Court, Curryline, Newtownforbes | €230,000 | 2016-12-19 |
| Meadow Court, Newtownforbes, Longford | €375,500 | 2022-10-19 |
| Meadowview Ballagh, Newtownforbes, Longford | €250,000 | 2019-02-08 |
| Meeltanagh, Edgeworthstown, Longford | €220,000 | 2022-04-27 |
| Melbrook House, Melview, Longford | €320,000 | 2022-01-22 |
| Melview Cross, Derryharrow, Longford | €255,000 | 2023-10-19 |
| Melview, Corragarrow, Longford | €330,000 | 2019-09-27 |
| Melview, Longford | €600,000 | 2025-04-24 |
| Micknagh, Killoe, Co Longford | €37,000 | 2023-11-14 |
| Middleton, Killashee, Co Longford | €170,000 | 2026-07-02 |
| Mills Lane, Granard, Co. Longford | €46,000 | 2026-05-14 |
| Minard House, Minard, Sligo Rd | €450,000 | 2026-06-30 |
| Minard, Longford, Co Longford | €100,000 | 2021-11-15 |
| Moatefarrell, Mostrim, Longford | €93,000 | 2024-01-20 |
| Moatfarrell, Ballinalee, Longford | €143,000 | 2022-12-15 |
| Moatfarrell, Edgeworthstown | €85,000 | 2011-01-07 |
| Moatfarrell, Edgeworthstown, Co Longford | €185,000 | 2022-12-15 |
| Modena, Rabbit Park, Ardagh | €375,000 | 2024-11-29 |
| Mohill Rd, Drumlish, Longford | €69,250 | 2019-08-02 |
| Moigh, Ballymahon | €69,000 | 2010-04-30 |
| Moigh, Ballymahon, Co Longford | €101,000 | 2025-09-25 |
| Moigh, Ballymahon, Longford | €235,000 | 2024-08-01 |
| Mollies Cottage, Lehery, Lanesboro | €77,000 | 2020-04-17 |
| Molly, Aughnacliffe | €123,348 | 2017-11-08 |
| Molly, Aughnacliffe, Co Longford | €84,000 | 2025-02-27 |
| Molly, Aughnacliffe, County Longford | €440,000 | 2021-09-23 |
| Molly, Aughnacliffee, Co Longford | €98,000 | 2016-12-09 |
| Monadarragh, Edgeworthstown | €187,000 | 2011-01-14 |
| Monadarragh, Edgeworthstown, Longford | €60,000 | 2020-03-31 |
| Monaduff, Drumlish, Longford | €373,000 | 2023-11-21 |