| Surname | Civil Parish | Barony | Riding |
| Harriett | Ardmayle | Middlethird | South |
| Harrigan | Clonbullogue | Clanwilliam | South |
| Harrigan | Clonoulty | Kilmanagh Lower | South |
| Harrigan | Killardry | Clanwilliam | South |
| Harrigan | Tipperary | Clanwilliam | South |
| Harrigan | Toem | Clanwilliam | South |
| Harrigan | Toem | Kilmanagh Upper | North |
| Harrington | Ballysheehan | Middlethird | South |
| Harrington | Clonpet | Clanwilliam | South |
| Harrington | Cordangan | Clanwilliam | South |
| Harrington | Emly | Clanwilliam | South |
| Harrington | Solloghodmore | Clanwilliam | South |
| Harrington | Templebeg | Kilmanagh Upper | North |
| Harrington | Tipperary | Clanwilliam | South |
| Harrington | Upperchurch | Kilmanagh Upper | North |
| Harris | Cullen | Clanwilliam | South |
| Harris | Donohill | Kilnamanagh Lower | South |
| Harris | Kilfeakle | Clanwilliam | South |
| Harrison | Donohill | Kilnamanagh Lower | South |
| Hart | Emly | Clanwilliam | South |
| Hart | Moyaliff | Kilmanagh Upper | North |
| Hartigan | Ballysheehan | Middlethird | South |
| Hartigan | Emly | Clanwilliam | South |
| Hartigan | Relickmurry & Athassel | Clanwilliam | South |
| Hartigan | Tipperary | Clanwilliam | South |
| Hartnett | Tipperary | Clanwilliam | South |
| Hartnett | Toem | Kilmanagh Upper | North |
| Harty | Clonbeg | Clanwilliam | South |
| Harty | Cullen | Clanwilliam | South |
| Harty | Emly | Clanwilliam | South |
| Harty | Templebredon | Clanwilliam | South |
| Harty | Templebredon | Coonagh | Limerick |
| Harty | Upperchurch | Kilmanagh Upper | North |
| Haskitt | Relickmurry & Athassel | Clanwilliam | South |
| Hasset | Ballysheehan | Middlethird | South |
| Hastings | Clonpet | Clanwilliam | South |
| Haughessy | Moycarky | Eliogarty | North |
| Hawarden | Ballintemple | Kilmanagh Lower | South |
| Hawarden | Clonoulty | Kilmanagh Lower | South |
| Hawke | Donohill | Kilnamanagh Lower | South |
| Hawthorn | Cordangan | Clanwilliam | South |
| Hay | Oughterleague | Kilnamanagh Lower | South |
| Hayde | Ballysheehan | Middlethird | South |
| Hayden | Ballysheehan | Middlethird | South |
| Hayden | Clonbeg | Clanwilliam | South |
| Hayden | Donohill | Clanwilliam | South |
| Hayden | Kilfeakle | Clanwilliam | South |
| Hayden | Relickmurry & Athassel | Clanwilliam | South |
| Hayden | Templebredon | Coonagh | Limerick |
| Hayden | Toem | Kilmanagh Upper | North |
| Hayes | Ardmayle | Middlethird | South |
| Hayes | Ardmayle | Middlethird | South |
| Hayes | Ballysheehan | Middlethird | South |
| Hayes | Bruis | Clanwilliam | South |
| Hayes | Clogher | Kilmanagh Lower | South |
| Hayes | Clonbeg | Clanwilliam | South |
| Hayes | Clonbullogue | Clanwilliam | South |
| Hayes | Clonoulty | Kilmanagh Lower | South |
| Hayes | Clonpet | Clanwilliam | South |
| Hayes | Cordangan | Clanwilliam | South |
| Hayes | Corroge | Clanwilliam | South |
| Hayes | Donohill | Clanwilliam | South |
| Hayes | Donohill | Kilnamanagh Lower | South |
| Hayes | Doon | Kilmanagh Upper | North |
| Hayes | Emly | Clanwilliam | South |
| Hayes | Fertiana | Eliogarty | North |
| Hayes | Gaile | Middlethird | South |
| Hayes | Glenbane | Clanwilliam | South |
| Hayes | Holycross | Eliogarty | North |
| Hayes | Horeabbey | Middlethird | South |
| Hayes | Kilfeakle | Clanwilliam | South |
| Hayes | Killardry | Clanwilliam | South |
| Hayes | Kilmore | Kilmanagh Lower | South |
| Hayes | Kilshane | Clanwilliam | South |
| Hayes | Moyaliff | Kilmanagh Upper | North |
| Hayes | Moycarky | Eliogarty | North |
| Hayes | Oughterleague | Clanwilliam | South |
| Hayes | Oughterleague | Kilnamanagh Lower | South |
| Hayes | Rathlynin | Clanwilliam | South |
| Hayes | Relickmurry & Athassel | Clanwilliam | South |
| Hayes | Shronell | Clanwilliam | South |
| Hayes | Solloghodmore | Clanwilliam | South |
| Hayes | Templebeg | Kilmanagh Upper | North |
| Hayes | Templebredon | Clanwilliam | South |
| Hayes | Templebredon | Coonagh | Limerick |
| Hayes | Templeneiry | Clanwilliam | South |
| Hayes | Templenoe | Clanwilliam | South |
| Hayes | Tipperary | Clanwilliam | South |
| Hayes | Toem | Clanwilliam | South |
| Hayes | Toem | Kilmanagh Upper | North |
| Hayes | Upperchurch | Kilmanagh Upper | North |
| Hayney | Relickmurry & Athassel | Clanwilliam | South |
| Hayre | Killardry | Clanwilliam | South |
| Heafy | Templeneiry | Clanwilliam | South |
| Healy | Clogher | Kilmanagh Lower | South |
| Healy | Cordangan | Clanwilliam | South |
| Healy | Donohill | Kilnamanagh Lower | South |
| Healy | Emly | Clanwilliam | South |
| Healy | Fertiana | Eliogarty | North |
| Healy | Holycross | Eliogarty | North |
| Healy | Killardry | Clanwilliam | South |
| Healy | Kilmore | Kilmanagh Lower | South |
| Healy | Oughterleague | Kilnamanagh Lower | South |
| Healy | Templebeg | Kilmanagh Upper | North |
| Healy | Tipperary | Clanwilliam | South |
| Heany | Ardmayle | Middlethird | South |
| Heany | Ballysheehan | Middlethird | South |
| Heany | Emly | Clanwilliam | South |
| Heany | Horeabbey | Middlethird | South |
| Heany | Killardry | Clanwilliam | South |
| Heany | Oughterleague | Kilnamanagh Lower | South |
| Hearns | Solloghodmore | Clanwilliam | South |
| Heber | Cordangan | Clanwilliam | South |
| Heedy | Donohill | Kilnamanagh Lower | South |
| Heelan | Clonpet | Clanwilliam | South |
| Heelan | Tipperary | Clanwilliam | South |
| Heelan | Toem | Kilmanagh Upper | North |
| Heenane | Lattin | Clanwilliam | South |
| Heffernan | Ardmayle | Middlethird | South |
| Heffernan | Ardmayle | Middlethird | South |
| Heffernan | Ballysheehan | Middlethird | South |
| Heffernan | Bruis | Clanwilliam | South |
| Heffernan | Clonbeg | Clanwilliam | South |
| Heffernan | Clonoulty | Kilmanagh Lower | South |
| Heffernan | Clonpet | Clanwilliam | South |
| Heffernan | Cordangan | Clanwilliam | South |
| Heffernan | Corroge | Clanwilliam | South |
| Heffernan | Cullen | Clanwilliam | South |
| Heffernan | Donohill | Clanwilliam | South |
| Heffernan | Donohill | Kilnamanagh Lower | South |
| Heffernan | Doon | Kilmanagh Upper | North |
| Heffernan | Emly | Clanwilliam | South |
| Heffernan | Fertiana | Eliogarty | North |
| Heffernan | Gaile | Middlethird | South |
| Heffernan | Glenbane | Clanwilliam | South |
| Heffernan | Holycross | Eliogarty | North |
| Heffernan | Kilfeakle | Clanwilliam | South |
| Heffernan | Killardry | Clanwilliam | South |
| Heffernan | Kilshane | Clanwilliam | South |
| Heffernan | Lattin | Clanwilliam | South |
| Heffernan | Moyaliff | Kilmanagh Upper | North |
| Heffernan | Moycarky | Eliogarty | North |
| Heffernan | Relickmurry & Athassel | Clanwilliam | South |
| Heffernan | Shronell | Clanwilliam | South |
| Heffernan | Templebredon | Clanwilliam | South |
| Heffernan | Templeneiry | Clanwilliam | South |
| Heffernan | Templenoe | Clanwilliam | South |
| Heffernan | Tipperary | Clanwilliam | South |
| Heffernan | Toem | Kilmanagh Upper | North |
| Heffernan | Upperchurch | Kilmanagh Upper | North |
| Helan | Clonbeg | Clanwilliam | South |
| Heland | Templeneiry | Clanwilliam | South |
| Hemphill | Horeabbey | Middlethird | South |
| Hemphill | Shronell | Clanwilliam | South |
| Hen | Dangandargan | Middlethird | South |
| Henbury | Kilmore | Kilmanagh Lower | South |
| Henderson | Ballintemple | Kilmanagh Lower | South |
| Henerty | Cordangan | Clanwilliam | South |
| Heney | Clonbullogue | Clanwilliam | South |
| Henly | Clonoulty | Kilmanagh Lower | South |
| Hennebry | Clonbeg | Clanwilliam | South |
| Henness;y | Tipperary | Clanwilliam | South |
| Hennessey | Holycross | Eliogarty | North |
| Hennessy | Ardmayle | Middlethird | South |
| Hennessy | Clogher | Kilmanagh Lower | South |
| Hennessy | Clonbeg | Clanwilliam | South |
| Hennessy | Clonbullogue | Clanwilliam | South |
| Hennessy | Cordangan | Clanwilliam | South |
| Hennessy | Corroge | Clanwilliam | South |
| Hennessy | Donohill | Clanwilliam | South |
| Hennessy | Donohill | Kilnamanagh Lower | South |
| Hennessy | Doon | Kilmanagh Upper | North |
| Hennessy | Emly | Clanwilliam | South |
| Hennessy | Fertiana | Eliogarty | North |
| Hennessy | Killardry | Clanwilliam | South |
| Hennessy | Kilmore | Kilmanagh Lower | South |
| Hennessy | Moycarky | Eliogarty | North |
| Hennessy | Oughterleague | Kilnamanagh Lower | South |
| Hennessy | Relickmurry & Athassel | Clanwilliam | South |
| Hennessy | Templeneiry | Clanwilliam | South |
| Henry | Templeneiry | Clanwilliam | South |
| Heoven | Fertiana | Eliogarty | North |
| Hereen | Clonbeg | Clanwilliam | South |
| Hereen | Cordangan | Clanwilliam | South |
| Herr | Dangandargan | Middlethird | South |
| Herr | Relickmurry & Athassel | Clanwilliam | South |
| Herr | Solloghodbeg | Clanwilliam | South |
| Heuston | Clonpet | Clanwilliam | South |
| Heuston | Cordangan | Clanwilliam | South |
| Heuston | Lattin | Clanwilliam | South |
| Heuston | Shronell | Clanwilliam | South |
| Hewetson | Tipperary | Clanwilliam | South |
| Hewett | Clonoulty | Kilmanagh Lower | South |
| Hewit | Solloghodmore | Clanwilliam | South |
| Hewitt | Horeabbey | Middlethird | South |
| Hewitt | Moyaliff | Kilmanagh Upper | North |
| Hewitt | Relickmurry & Athassel | Clanwilliam | South |
| Hewitt | Solloghodbeg | Clanwilliam | South |
| Hewlett | Toem | Kilmanagh Upper | North |
| Hewson | Ballintemple | Kilmanagh Lower | South |
| Hewson | Moyaliff | Kilmanagh Upper | North |
| Hewson | Tipperary | Clanwilliam | South |
| Hewston | Corroge | Clanwilliam | South |
| Hewston | Emly | Clanwilliam | South |
| Hewston | Solloghodmore | Clanwilliam | South |
| Heyde | Fertiana | Eliogarty | North |
| Hickey | Clogher | Kilmanagh Lower | South |
| Hickey | Clonbeg | Clanwilliam | South |
| Hickey | Clonbullogue | Clanwilliam | South |
| Hickey | Clonoulty | Kilmanagh Lower | South |
| Hickey | Clonpet | Clanwilliam | South |
| Hickey | Cordangan | Clanwilliam | South |
| Hickey | Donohill | Clanwilliam | South |
| Hickey | Donohill | Clanwilliam | South |
| Hickey | Donohill | Kilnamanagh Lower | South |
| Hickey | Doon | Kilmanagh Upper | North |
| Hickey | Emly | Clanwilliam | South |
| Hickey | Holycross | Eliogarty | North |
| Hickey | Kilfeakle | Clanwilliam | South |
| Hickey | Killardry | Clanwilliam | South |
| Hickey | Kilmore | Kilmanagh Lower | South |
| Hickey | Kilmucklin | Clanwilliam | South |
| Hickey | Kilshane | Clanwilliam | South |
| Hickey | Moyaliff | Kilmanagh Upper | North |
| Hickey | Moycarky | Eliogarty | North |
| Hickey | Oughterleague | Kilnamanagh Lower | South |
| Hickey | Rathlynin | Clanwilliam | South |
| Hickey | Relickmurry & Athassel | Clanwilliam | South |
| Hickey | Solloghodmore | Clanwilliam | South |
| Hickey | Templeneiry | Clanwilliam | South |
| Hickey | Templenoe | Clanwilliam | South |
| Hickey | Tipperary | Clanwilliam | South |
| Hickey | Toem | Kilmanagh Upper | North |
| Hide | Oughterleague | Kilnamanagh Lower | South |
| Higgins | Bruis | Clanwilliam | South |
| Higgins | Donohill | Kilnamanagh Lower | South |
| Higgins | Emly | Clanwilliam | South |
| Higgins | Glenbane | Clanwilliam | South |
| Higgins | Solloghodbeg | Clanwilliam | South |
| Higgins | Toem | Kilmanagh Upper | North |
| Hill | Ballysheehan | Middlethird | South |
| Hill | Clogher | Kilmanagh Lower | South |
| Hill | Clonbeg | Clanwilliam | South |
| Hill | Donohill | Kilnamanagh Lower | South |
| Hill | Holycross | Eliogarty | North |
| Hill | Moyaliff | Kilmanagh Upper | North |
| Hill | Relickmurry & Athassel | Clanwilliam | South |
| Hill | Templeneiry | Clanwilliam | South |
| Hindy | Ballysheehan | Middlethird | South |
| Hines | Emly | Clanwilliam | South |
| Hines | Moyaliff | Kilmanagh Upper | North |
| Hinick | Relickmurry & Athassel | Clanwilliam | South |
| Hoar | Tipperary | Clanwilliam | South |
| Hoare | Clonbullogue | Clanwilliam | South |
| Hoare | Cordangan | Clanwilliam | South |
| Hoare | Lattin | Clanwilliam | South |
| Hodges | Doon | Kilmanagh Upper | North |
| Hodgins | Toem | Kilmanagh Upper | North |
| Hodnett | Donohill | Kilnamanagh Lower | South |
| Hoey | Holycross | Eliogarty | North |
| Hogan | Ardmayle | Middlethird | South |
| Hogan | Ballintemple | Kilmanagh Lower | South |
| Hogan | Ballysheehan | Middlethird | South |
| Hogan | Bruis | Clanwilliam | South |
| Hogan | Clogher | Kilmanagh Lower | South |
| Hogan | Clonbeg | Clanwilliam | South |
| Hogan | Clonbullogue | Clanwilliam | South |
| Hogan | Clonoulty | Clanwilliam | South |
| Hogan | Clonoulty | Kilmanagh Lower | South |
| Hogan | Cordangan | Clanwilliam | South |
| Hogan | Donohill | Clanwilliam | South |
| Hogan | Donohill | Kilnamanagh Lower | South |
| Hogan | Emly | Clanwilliam | South |
| Hogan | Fertiana | Eliogarty | North |
| Hogan | Glenbane | Clanwilliam | South |
| Hogan | Holycross | Eliogarty | North |
| Hogan | Kilcornan | Clanwilliam | South |
| Hogan | Kilcornan | Clanwilliam | South |
| Hogan | Kilfeakle | Clanwilliam | South |
| Hogan | Moyaliff | Kilmanagh Upper | North |
| Hogan | Moycarky | Eliogarty | North |
| Hogan | Rathlynin | Clanwilliam | South |
| Hogan | Relickmurry & Athassel | Clanwilliam | South |
| Hogan | Shronell | Clanwilliam | South |
| Hogan | Solloghodbeg | Clanwilliam | South |
| Hogan | Solloghodmore | Clanwilliam | South |
| Hogan | Templebeg | Kilmanagh Upper | North |
| Hogan | Templebredon | Clanwilliam | South |
| Hogan | Templebredon | Coonagh | Limerick |
| Hogan | Templeneiry | Clanwilliam | South |
| Hogan | Templenoe | Clanwilliam | South |
| Hogan | Tipperary | Clanwilliam | South |
| Hogan | Toem | Kilmanagh Upper | North |
| Holaghan | Clonoulty | Kilmanagh Lower | South |
| Holleran | Moycarky | Eliogarty | North |
| Holleran | Toem | Kilmanagh Upper | North |
| Holly | Killardry | Clanwilliam | South |
| Holly | Kilmore | Kilmanagh Lower | South |
| Holly | Relickmurry & Athassel | Clanwilliam | South |
| Holly | Relickmurry & Athassel | Middlethird | South |
| Holmes | Clonbeg | Clanwilliam | South |
| Holmes | Emly | Clanwilliam | South |
| Holohan | Rathkennan | Kilmanagh Lower | South |
| Holony | Aghacrew | Kilmanagh Lower | South |
| Holway | Clonbeg | Clanwilliam | South |
| Holway | Clonbeg | Clanwilliam | South |
| Holway | Killardry | Clanwilliam | South |
| Holway | Relickmurry & Athassel | Clanwilliam | South |
| Holway | Tipperary | Clanwilliam | South |
| Honan | Relickmurry & Athassel | Clanwilliam | South |
| Honan | Templeneiry | Clanwilliam | South |
| Honan | Tipperary | Clanwilliam | South |
| Hone | Killardry | Clanwilliam | South |
| Honehan | Templebredon | Coonagh | Limerick |
| Honon | Templenoe | Clanwilliam | South |
| Hoolaghan | Kilmore | Kilmanagh Lower | South |
| Hoolaghan | Moycarky | Eliogarty | North |
| Hoolahan | Cordangan | Clanwilliam | South |
| Hoolahan | Emly | Clanwilliam | South |
| Hoolahan | Fertiana | Eliogarty | North |
| Hoolahan | Tipperary | Clanwilliam | South |
| Hoolihan | Upperchurch | Kilmanagh Upper | North |
| Hoops | Tipperary | Clanwilliam | South |
| Horan | Aghacrew | Kilmanagh Lower | South |
| Horan | Clonoulty | Kilmanagh Lower | South |
| Horan | Cullen | Clanwilliam | South |
| Horan | Donohill | Clanwilliam | South |
| Horan | Donohill | Kilnamanagh Lower | South |
| Horan | Kilcornan | Clanwilliam | South |
| Horan | Kilcornan | Clanwilliam | South |
| Horan | Solloghodmore | Clanwilliam | South |
| Horan | Toem | Kilmanagh Upper | North |
| Hore | Clonbeg | Clanwilliam | South |
| Hore | Killardry | Clanwilliam | South |
| Hore | Relickmurry & Athassel | Clanwilliam | South |
| Horgan | Relickmurry & Athassel | Middlethird | South |
| Horne | Killardry | Clanwilliam | South |
| Horne | Relickmurry & Athassel | Clanwilliam | South |
| Houlahan | Holycross | Eliogarty | North |
| Houlehan | Templebredon | Coonagh | Limerick |
| Houlihan | Emly | Clanwilliam | South |
| Houlihan | Killardry | Clanwilliam | South |
| Hourigan | Ballysheehan | Middlethird | South |
| Hourigan | Bruis | Clanwilliam | South |
| Hourigan | Clonoulty | Kilmanagh Lower | South |
| Hourigan | Cordangan | Clanwilliam | South |
| Hourigan | Corroge | Clanwilliam | South |
| Hourigan | Glenbane | Clanwilliam | South |
| Hourigan | Kilcornan | Clanwilliam | South |
| Hourigan | Kilfeakle | Clanwilliam | South |
| Hourigan | Relickmurry & Athassel | Clanwilliam | South |
| Hourigan | Shronell | Clanwilliam | South |
| Hourigan | Solloghodbeg | Clanwilliam | South |
| Hourigan | Templebredon | Coonagh | Limerick |
| Hourigan | Tipperary | Clanwilliam | South |
| Hourigan | Toem | Kilmanagh Upper | North |
| Howard | Ballintemple | Kilmanagh Lower | South |
| Howard | Solloghodmore | Clanwilliam | South |
| Howard | Tipperary | Clanwilliam | South |
| Howard | Tipperary | Clanwilliam | South |
| Howly | Emly | Clanwilliam | South |
| Hoyde | Ardmayle | Middlethird | South |
| Hoyne | Dangandargan | Middlethird | South |