| Surname | Civil Parish | Barony | Riding |
| Lyons | Ballysheehan | Middlethird | South |
| Lyons | Clogher | Kilmanagh Lower | South |
| Lyons | Clonbeg | Clanwilliam | South |
| Lyons | Cordangan | Clanwilliam | South |
| Lyons | Donohill | Kilnamanagh Lower | South |
| Lyons | Fertiana | Eliogarty | North |
| Lyons | Relickmurry & Athassel | Clanwilliam | South |
| Lyons | Solloghodbeg | Clanwilliam | South |
| Lyons | Solloghodmore | Clanwilliam | South |
| Lyons | Templeneiry | Clanwilliam | South |
| Lyons | Toem | Kilmanagh Upper | North |
| Lysagh | Tipperary | Clanwilliam | South |
| Lysaght | Clonpet | Clanwilliam | South |
| Lysaght | Cordangan | Clanwilliam | South |
| M'Aboy | Ardmayle | Middlethird | South |
| Macabe | Ballintemple | Kilmanagh Lower | South |
| Maccarthy | Upperchurch | Kilmanagh Upper | North |
| Mackassy | Emly | Clanwilliam | South |
| Mackey | Clonoulty | Kilmanagh Lower | South |
| Mackey | Donohill | Kilnamanagh Lower | South |
| Mackey | Emly | Clanwilliam | South |
| Mackey | Kilcornan | Clanwilliam | South |
| Mackey | Relickmurry & Athassel | Clanwilliam | South |
| Mackey | Solloghodmore | Clanwilliam | South |
| Mackey | Tipperary | Clanwilliam | South |
| Mackey | Upperchurch | Kilmanagh Upper | North |
| Madden | Donohill | Clanwilliam | South |
| Madden | Donohill | Kilnamanagh Lower | South |
| Madden | Emly | Clanwilliam | South |
| Madden | Relickmurry & Athassel | Clanwilliam | South |
| Madden | Solloghodmore | Clanwilliam | South |
| Madden | Tipperary | Clanwilliam | South |
| Madden | Toem | Kilmanagh Upper | North |
| Madden | Upperchurch | Kilmanagh Upper | North |
| Maddock | Tipperary | Clanwilliam | South |
| Maddy | Killardry | Clanwilliam | South |
| Madigan | Donohill | Kilnamanagh Lower | South |
| Magan | Clonbullogue | Clanwilliam | South |
| Magan | Relickmurry & Athassel | Clanwilliam | South |
| Maglynn | Tipperary | Clanwilliam | South |
| Magner | Clonbeg | Clanwilliam | South |
| Magner | Emly | Clanwilliam | South |
| Magner | Relickmurry & Athassel | Clanwilliam | South |
| Magrath | Clogher | Kilmanagh Lower | South |
| Magrath | Clonbeg | Clanwilliam | South |
| Magrath | Clonoulty | Kilmanagh Lower | South |
| Magrath | Cordangan | Clanwilliam | South |
| Magrath | Kilfeakle | Clanwilliam | South |
| Magrath | Moyaliff | Kilmanagh Upper | North |
| Magrath | Tipperary | Clanwilliam | South |
| Magrath | Toem | Kilmanagh Upper | North |
| Maguire | Ballysheehan | Middlethird | South |
| Maguire | Moycarky | Eliogarty | North |
| Maguire | Killardry | Clanwilliam | South |
| Maher | Ardmayle | Middlethird | South |
| Maher | Ardmayle | Middlethird | South |
| Maher | Ballysheehan | Middlethird | South |
| Maher | Bruis | Clanwilliam | South |
| Maher | Clogher | Kilmanagh Lower | South |
| Maher | Clonbeg | Clanwilliam | South |
| Maher | Clonbullogue | Clanwilliam | South |
| Maher | Clonbullogue | Clanwilliam | South |
| Maher | Clonoulty | Kilmanagh Lower | South |
| Maher | Clonpet | Clanwilliam | South |
| Maher | Cordangan | Clanwilliam | South |
| Maher | Dangandargan | Middlethird | South |
| Maher | Donohill | Clanwilliam | South |
| Maher | Donohill | Kilnamanagh Lower | South |
| Maher | Doon | Kilmanagh Upper | North |
| Maher | Emly | Clanwilliam | South |
| Maher | Fertiana | Eliogarty | North |
| Maher | Gaile | Middlethird | South |
| Maher | Glenbane | Clanwilliam | South |
| Maher | Holycross | Eliogarty | North |
| Maher | Horeabbey | Middlethird | South |
| Maher | Kilcornan | Clanwilliam | South |
| Maher | Kilfeakle | Clanwilliam | South |
| Maher | Kilshane | Clanwilliam | South |
| Maher | Moyaliff | Kilmanagh Upper | North |
| Maher | Moycarky | Eliogarty | North |
| Maher | Rathlynin | Clanwilliam | South |
| Maher | Relickmurry & Athassel | Clanwilliam | South |
| Maher | Shronell | Clanwilliam | South |
| Maher | Solloghodbeg | Clanwilliam | South |
| Maher | Solloghodmore | Clanwilliam | South |
| Maher | Templebredon | Clanwilliam | South |
| Maher | Templebredon | Coonagh | Limerick |
| Maher | Templeneiry | Clanwilliam | South |
| Maher | Templenoe | Clanwilliam | South |
| Maher | Tipperary | Clanwilliam | South |
| Maher | Toem | Clanwilliam | South |
| Maher | Toem | Kilmanagh Upper | North |
| Maher | Upperchurch | Kilmanagh Upper | North |
| Mahon | Kilfeakle | Clanwilliam | South |
| Mahon | Moycarky | Eliogarty | North |
| Mahon | Templenoe | Clanwilliam | South |
| Mahony | Aghacrew | Kilmanagh Lower | South |
| Mahony | Ballysheehan | Middlethird | South |
| Mahony | Clogher | Kilmanagh Lower | South |
| Mahony | Clonbeg | Clanwilliam | South |
| Mahony | Cordangan | Clanwilliam | South |
| Mahony | Donohill | Clanwilliam | South |
| Mahony | Donohill | Kilnamanagh Lower | South |
| Mahony | Killardry | Clanwilliam | South |
| Mahony | Rathlynin | Clanwilliam | South |
| Mahony | Relickmurry & Athassel | Clanwilliam | South |
| Mahony | Solloghodmore | Clanwilliam | South |
| Mahony | Templebredon | Coonagh | Limerick |
| Mahony | Templeneiry | Clanwilliam | South |
| Mahony | Tipperary | Clanwilliam | South |
| Mahony | Toem | Kilmanagh Upper | North |
| Mahoyde | Kilshane | Clanwilliam | South |
| Malachy | Moyaliff | Kilmanagh Upper | North |
| Malaney | Kilfeakle | Clanwilliam | South |
| Mallaney | Templenoe | Clanwilliam | South |
| Mallay | Emly | Clanwilliam | South |
| Malone | Clogher | Kilmanagh Lower | South |
| Malone | Moyaliff | Kilmanagh Upper | North |
| Malone | Tipperary | Clanwilliam | South |
| Maloney | Upperchurch | Kilmanagh Upper | North |
| Malumby | Moycarky | Eliogarty | North |
| Managan | Oughterleague | Kilnamanagh Lower | South |
| Manahan | Cordangan | Clanwilliam | South |
| Mandeville | Cordangan | Clanwilliam | South |
| Mangaden | Clonoulty | Kilmanagh Lower | South |
| Mann | Emly | Clanwilliam | South |
| Mannin | Moycarky | Eliogarty | North |
| Manning | Ardmayle | Middlethird | South |
| Manning | Emly | Clanwilliam | South |
| Manning | Moyaliff | Kilmanagh Upper | North |
| Manning | Moycarky | Eliogarty | North |
| Manning | Upperchurch | Kilmanagh Upper | North |
| Mannion | Moycarky | Eliogarty | North |
| Mannix | Moycarky | Eliogarty | North |
| Mansergh | Ballysheehan | Middlethird | South |
| Mansergh | Cordangan | Clanwilliam | South |
| Mansergh | Donohill | Clanwilliam | South |
| Mansergh | Horeabbey | Middlethird | South |
| Mansergh | Moyaliff | Kilmanagh Upper | North |
| Mansergh | Relickmurry & Athassel | Middlethird | South |
| Mansergh | Templenoe | Clanwilliam | South |
| Mansergh | Tipperary | Clanwilliam | South |
| Mansfield | Dangandargan | Clanwilliam | South |
| Mara | Ardmayle | Middlethird | South |
| Mara | Ballysheehan | Middlethird | South |
| Mara | Bruis | Clanwilliam | South |
| Mara | Clogher | Kilmanagh Lower | South |
| Mara | Clonbeg | Clanwilliam | South |
| Mara | Clonoulty | Kilmanagh Lower | South |
| Mara | Donohill | Kilnamanagh Lower | South |
| Mara | Emly | Clanwilliam | South |
| Mara | Fertiana | Eliogarty | North |
| Mara | Glenbane | Clanwilliam | South |
| Mara | Holycross | Eliogarty | North |
| Mara | Kilmore | Kilmanagh Lower | South |
| Mara | Moyaliff | Kilmanagh Upper | North |
| Mara | Moycarky | Eliogarty | North |
| Mara | Rathlynin | Clanwilliam | South |
| Mara | Relickmurry & Athassel | Clanwilliam | South |
| Mara | Templebeg | Kilmanagh Upper | North |
| Mara | Templebredon | Coonagh | Limerick |
| Mara | Templeneiry | Clanwilliam | South |
| Mara | Toem | Kilmanagh Upper | North |
| Mara | Upperchurch | Kilmanagh Upper | North |
| Markly | Relickmurry & Athassel | Clanwilliam | South |
| Marnane | Donohill | Kilnamanagh Lower | South |
| Marnane | Toem | Clanwilliam | South |
| Marnel | Ballysheehan | Middlethird | South |
| Marony | Shronell | Clanwilliam | South |
| Mars | Cordangan | Clanwilliam | South |
| Martin | Ballysheehan | Middlethird | South |
| Martin | Clogher | Kilmanagh Lower | South |
| Martin | Donohill | Clanwilliam | South |
| Martin | Holycross | Eliogarty | North |
| Martin | Killardry | Clanwilliam | South |
| Martin | Kilmucklin | Clanwilliam | South |
| Martin | Moyaliff | Kilmanagh Upper | North |
| Martin | Oughterleague | Kilnamanagh Lower | South |
| Martin | Templeneiry | Clanwilliam | South |
| Martin | Tipperary | Clanwilliam | South |
| Mason | Clonoulty | Kilmanagh Lower | South |
| Mason | Cordangan | Clanwilliam | South |
| Mason | Moyaliff | Kilmanagh Upper | North |
| Mason | Moycarky | Eliogarty | North |
| Mason | Tipperary | Clanwilliam | South |
| Massey | Clonbeg | Clanwilliam | South |
| Massey | Relickmurry & Athassel | Clanwilliam | South |
| Massy | Corroge | Clanwilliam | South |
| Massy | Kilfeakle | Clanwilliam | South |
| Massy | Tipperary | Clanwilliam | South |
| Mathew | Kilfeakle | Clanwilliam | South |
| Mathew | Relickmurry & Athassel | Clanwilliam | South |
| Mathew | Toem | Kilmanagh Upper | North |
| Mathews | Horeabbey | Middlethird | South |
| Mathews | Rathlynin | Clanwilliam | South |
| Mathews | Relickmurry & Athassel | Middlethird | South |
| Mauleverer | Cordangan | Clanwilliam | South |
| M'Auliff | Donohill | Clanwilliam | South |
| M'Auliff | Templebredon | Coonagh | Limerick |
| Maunsell | Cordangan | Clanwilliam | South |
| Maurnane | Cullen | Clanwilliam | South |
| Maurnane | Killardry | Clanwilliam | South |
| Maurnane | Lattin | Clanwilliam | South |
| Maurnane | Solloghodmore | Clanwilliam | South |
| Maurnane | Templebredon | Clanwilliam | South |
| M'Avoy | Ardmayle | Middlethird | South |
| Max | Ballysheehan | Middlethird | South |
| Max | Moycarky | Eliogarty | North |
| M'Cabe | Cullen | Clanwilliam | South |
| M'Cabe | Donohill | Kilnamanagh Lower | South |
| M'Can | Clonbeg | Clanwilliam | South |
| M'Carthy | Clonbeg | Clanwilliam | South |
| M'Carthy | Clonbullogue | Clanwilliam | South |
| M'Carthy | Cordangan | Clanwilliam | South |
| M'Carthy | Corroge | Clanwilliam | South |
| M'Carthy | Cullen | Clanwilliam | South |
| M'Carthy | Emly | Clanwilliam | South |
| M'Carthy | Kilfeakle | Clanwilliam | South |
| M'Carthy | Kilmucklin | Clanwilliam | South |
| M'Carthy | Lattin | Clanwilliam | South |
| M'Carthy | Moyaliff | Kilmanagh Upper | North |
| M'Carthy | Relickmurry & Athassel | Clanwilliam | South |
| M'Carthy | Solloghodbeg | Clanwilliam | South |
| M'Carthy | Solloghodbeg | Clanwilliam | South |
| M'Carthy | Templeneiry | Clanwilliam | South |
| M'Carthy | Templenoe | Clanwilliam | South |
| M'Carthy | Tipperary | Clanwilliam | South |
| McBride | Holycross | Eliogarty | North |
| McDonnell | Clogher | Kilmanagh Lower | South |
| McGrath | Holycross | Eliogarty | North |
| M'Cleeland | Ballintemple | Kilmanagh Lower | South |
| M'Clure | Cordangan | Clanwilliam | South |
| M'Clure | Corroge | Clanwilliam | South |
| M'Clure | Cullen | Clanwilliam | South |
| M'Clure | Relickmurry & Athassel | Clanwilliam | South |
| McNamara | Holycross | Eliogarty | North |
| M'Cormack | Relickmurry & Athassel | Clanwilliam | South |
| M'Cormack | Templenoe | Clanwilliam | South |
| M'Cormack | Tipperary | Clanwilliam | South |
| M'Cormick | Clonoulty | Kilmanagh Lower | South |
| M'Crate | Clonbullogue | Clanwilliam | South |
| M'Creat | Tipperary | Clanwilliam | South |
| M'Curtin | Corroge | Clanwilliam | South |
| M'Curtin | Kilshane | Clanwilliam | South |
| M'Dermott | Relickmurry & Athassel | Clanwilliam | South |
| M'Dermott | Tipperary | Clanwilliam | South |
| M'Donald | Cordangan | Clanwilliam | South |
| M'Donnell | Toem | Kilmanagh Upper | North |
| Mead | Cordangan | Clanwilliam | South |
| Meade | Kilfeakle | Clanwilliam | South |
| Meade | Relickmurry & Athassel | Clanwilliam | South |
| Meagher | Clogher | Kilmanagh Lower | South |
| Meagher | Clonbullogue | Clanwilliam | South |
| Meagher | Horeabbey | Middlethird | South |
| Meagher | Killardry | Clanwilliam | South |
| Meagher | Moyaliff | Kilmanagh Upper | North |
| Meagher | Solloghodmore | Clanwilliam | South |
| Meagher | Upperchurch | Kilmanagh Upper | North |
| Mealy | Shronell | Clanwilliam | South |
| Meany | Emly | Clanwilliam | South |
| Meany | Moycarky | Eliogarty | North |
| Meany | Tipperary | Clanwilliam | South |
| Meara | Clonoulty | Kilmanagh Lower | South |
| Meara | Cullen | Clanwilliam | South |
| Meara | Holycross | Eliogarty | North |
| Meara | Moycarky | Eliogarty | North |
| Meara | Rathkennan | Kilmanagh Lower | South |
| Meehan | Clonbullogue | Clanwilliam | South |
| Meehan | Donohill | Kilnamanagh Lower | South |
| Meehan | Fertiana | Eliogarty | North |
| Meehan | Kilcornan | Clanwilliam | South |
| Meehan | Kilfeakle | Clanwilliam | South |
| Meehan | Kilmucklin | Clanwilliam | South |
| Meehan | Relickmurry & Athassel | Clanwilliam | South |
| Meehan | Solloghodmore | Clanwilliam | South |
| Meehan | Templebredon | Coonagh | Limerick |
| Meehan | Tipperary | Clanwilliam | South |
| Meehan | Toem | Kilmanagh Upper | North |
| Meenick | Cordangan | Clanwilliam | South |
| Mehan | Donohill | Clanwilliam | South |
| Meighan | Donohill | Kilnamanagh Lower | South |
| M'Encrowe | Relickmurry & Athassel | Clanwilliam | South |
| M'Enerny | Templebredon | Coonagh | Limerick |
| M'Eniry | Emly | Clanwilliam | South |
| Merrick | Clonbullogue | Clanwilliam | South |
| Merrick | Cullen | Clanwilliam | South |
| Merrick | Relickmurry & Athassel | Clanwilliam | South |
| Merrick | Lattin | Clanwilliam | South |
| Merrigan | Clonpet | Clanwilliam | South |
| Merrigan | Templeneiry | Clanwilliam | South |
| M'Evoy | Ballysheehan | Middlethird | South |
| M'Evoy | Cordangan | Clanwilliam | South |
| M'Gann | Clonbullogue | Clanwilliam | South |
| M'Glinn | Toem | Kilmanagh Upper | North |
| M'Glyn | Solloghodmore | Clanwilliam | South |
| M'Grath | Ardmayle | Middlethird | South |
| M'Grath | Ballysheehan | Middlethird | South |
| M'Grath | Bruis | Clanwilliam | South |
| M'Grath | Clonbeg | Clanwilliam | South |
| M'Grath | Clonoulty | Kilmanagh Lower | South |
| M'Grath | Clonpet | Clanwilliam | South |
| M'Grath | Cordangan | Clanwilliam | South |
| M'Grath | Corroge | Clanwilliam | South |
| M'Grath | Dangandargan | Middlethird | South |
| M'Grath | Donohill | Clanwilliam | South |
| M'Grath | Doon | Kilmanagh Upper | North |
| M'Grath | Emly | Clanwilliam | South |
| M'Grath | Glenbane | Clanwilliam | South |
| M'Grath | Horeabbey | Middlethird | South |
| M'Grath | Kilfeakle | Clanwilliam | South |
| M'Grath | Killardry | Clanwilliam | South |
| M'Grath | Kilshane | Clanwilliam | South |
| M'Grath | Moyaliff | Kilmanagh Upper | North |
| M'Grath | Moycarky | Eliogarty | North |
| M'Grath | Oughterleague | Clanwilliam | South |
| M'Grath | Oughterleague | Kilnamanagh Lower | South |
| M'Grath | Rathlynin | Clanwilliam | South |
| M'Grath | Relickmurry & Athassel | Clanwilliam | South |
| M'Grath | Shronell | Clanwilliam | South |
| M'Grath | Solloghodbeg | Clanwilliam | South |
| M'Grath | Templebredon | Coonagh | Limerick |
| M'Grath | Templenoe | Clanwilliam | South |
| M'Grath | Tipperary | Clanwilliam | South |
| M'Grath | Toem | Clanwilliam | South |
| M'Grath | Toem | Kilmanagh Upper | North |
| M'Grath | Upperchurch | Kilmanagh Upper | North |
| M'Guire | Clonbeg | Clanwilliam | South |
| M'Hugh | Donohill | Kilnamanagh Lower | South |
| Miller | Holycross | Eliogarty | North |
| Millet | Ballysheehan | Middlethird | South |
| Millet | Donohill | Kilnamanagh Lower | South |
| Mills | Ardmayle | Middlethird | South |
| Mills | Ballysheehan | Middlethird | South |
| Mills | Gaile | Middlethird | South |
| Minahan | Templebeg | Kilmanagh Upper | North |
| Minahan | Upperchurch | Kilmanagh Upper | North |
| M'Inally | Doon | Kilmanagh Upper | North |
| Minchin | Ballysheehan | Middlethird | South |
| Minchin | Holycross | Eliogarty | North |
| Minchin | Horeabbey | Middlethird | South |
| Minehan | Upperchurch | Kilmanagh Upper | North |
| Minihan | Clonoulty | Kilmanagh Lower | South |
| Minihan | Fertiana | Eliogarty | North |
| Minihane | Ardmayle | Middlethird | South |
| Mires | Rathlynin | Clanwilliam | South |
| Mitchel | Relickmurry & Athassel | Clanwilliam | South |
| Mitchell | Emly | Clanwilliam | South |
| M'Keneily | Clonoulty | Kilmanagh Lower | South |
| M'Leon | Clonoulty | Kilmanagh Lower | South |
| M'Mahon | Ardmayle | Middlethird | South |
| M'Mahon | Moyaliff | Kilmanagh Upper | North |
| M'Mahon | Shronell | Clanwilliam | South |
| M'Mahon | Solloghodmore | Clanwilliam | South |
| M'Mullen | Cordangan | Clanwilliam | South |
| M'Nally | Moyaliff | Kilmanagh Upper | North |
| M'Namara | Ballintemple | Kilmanagh Lower | South |
| M'Namara | Clonbullogue | Clanwilliam | South |
| M'Namara | Clonoulty | Kilmanagh Lower | South |
| M'Namara | Cordangan | Clanwilliam | South |
| M'Namara | Cullen | Clanwilliam | South |
| M'Namara | Donohill | Kilnamanagh Lower | South |
| M'Namara | Emly | Clanwilliam | South |
| M'Namara | Killardry | Clanwilliam | South |