| Surname | Civil Parish | Barony | Riding |
| Connor | Ardmayle | Middlethird | South |
| Connor | Ballintemple | Kilmanagh Lower | South |
| Connor | Ballysheehan | Middlethird | South |
| Connor | Clonoulty | Kilmanagh Lower | South |
| Connor | Cordangan | Clanwilliam | South |
| Connor | Corroge | Clanwilliam | South |
| Connor | Donohill | Clanwilliam | South |
| Connor | Horeabbey | Middlethird | South |
| Connor | Kilfeakle | Clanwilliam | South |
| Connor | Kilmore | Kilmanagh Lower | South |
| Connor | Oughterleague | Kilnamanagh Lower | South |
| Connor | Rathlynin | Clanwilliam | South |
| Connor | Solloghodbeg | Clanwilliam | South |
| Connor | Templebredon | Clanwilliam | South |
| Connor | Templebredon | Coonagh | Limerick |
| Connor | Templenoe | Clanwilliam | South |
| Connor | Tipperary | Clanwilliam | South |
| Connor | Toem | Kilmanagh Upper | North |
| Connors | Ardmayle | Middlethird | South |
| Connors | Clogher | Kilmanagh Lower | South |
| Connors | Clonbeg | Clanwilliam | South |
| Connors | Clonbullogue | Clanwilliam | South |
| Connors | Clonoulty | Kilmanagh Lower | South |
| Connors | Clonpet | Clanwilliam | South |
| Connors | Cordangan | Clanwilliam | South |
| Connors | Cullen | Clanwilliam | South |
| Connors | Dangandargan | Clanwilliam | South |
| Connors | Dangandargan | Middlethird | South |
| Connors | Donohill | Kilnamanagh Lower | South |
| Connors | Emly | Clanwilliam | South |
| Connors | Kilfeakle | Clanwilliam | South |
| Connors | Killardry | Clanwilliam | South |
| Connors | Kilmore | Kilmanagh Lower | South |
| Connors | Kilshane | Clanwilliam | South |
| Connors | Relickmurry & Athassel | Clanwilliam | South |
| Connors | Relickmurry & Athassel | Middlethird | South |
| Connors | Shronell | Clanwilliam | South |
| Connors | Solloghodmore | Clanwilliam | South |
| Connors | Templeneiry | Clanwilliam | South |
| Connors | Tipperary | Clanwilliam | South |
| Connors | Toem | Kilmanagh Upper | North |
| Conrick | Relickmurry & Athassel | Clanwilliam | South |
| Conroy | Clonpet | Clanwilliam | South |
| Conroy | Cordangan | Clanwilliam | South |
| Conry | Lattin | Clanwilliam | South |
| Considine | Fertiana | Eliogarty | North |
| Considine | Holycross | Eliogarty | North |
| Conway | Clonbeg | Clanwilliam | South |
| Conway | Cullen | Clanwilliam | South |
| Conway | Doon | Kilmanagh Upper | North |
| Conway | Emly | Clanwilliam | South |
| Conway | Fertiana | Eliogarty | North |
| Conway | Holycross | Eliogarty | North |
| Conway | Horeabbey | Middlethird | South |
| Conway | Lattin | Clanwilliam | South |
| Conway | Relickmurry & Athassel | Clanwilliam | South |
| Conway | Relickmurry & Athassel | Clanwilliam | South |
| Conway | Templebredon | Coonagh | Limerick |
| Conway | Tipperary | Clanwilliam | South |
| Conway | Toem | Kilmanagh Upper | North |
| Conway | Upperchurch | Kilmanagh Upper | North |
| Coofin | Relickmurry & Athassel | Middlethird | South |
| Cooke | Ballintemple | Kilmanagh Lower | South |
| Cooke | Clonbeg | Clanwilliam | South |
| Cooke | Cordangan | Clanwilliam | South |
| Cooke | Emly | Clanwilliam | South |
| Cooke | Moycarky | Eliogarty | North |
| Cooke | Relickmurry & Athassel | Clanwilliam | South |
| Cooke | Tipperary | Clanwilliam | South |
| Cooker | Templeneiry | Clanwilliam | South |
| Coonan | Ardmayle | Middlethird | South |
| Coonan | Moyaliff | Kilmanagh Upper | North |
| Cooney | Clonbeg | Clanwilliam | South |
| Cooney | Horeabbey | Middlethird | South |
| Cooney | Kilfeakle | Clanwilliam | South |
| Cooney | Relickmurry & Athassel | Clanwilliam | South |
| Cooney | Templebredon | Coonagh | Limerick |
| Cooney | Tipperary | Clanwilliam | South |
| Cooper | Donohill | Kilnamanagh Lower | South |
| Cooper | Horeabbey | Middlethird | South |
| Cooper | Kilmore | Kilmanagh Lower | South |
| Cooper | Moyaliff | Kilmanagh Upper | North |
| Cooper | Oughterleague | Kilnamanagh Lower | South |
| Cooper | Relickmurry & Athassel | Clanwilliam | South |
| Cooper | Relickmurry & Athassel | Middlethird | South |
| Cooper | Templeneiry | Clanwilliam | South |
| Copinger | Horeabbey | Middlethird | South |
| Coppinger | Clonoulty | Kilmanagh Lower | South |
| Copps | Solloghodmore | Clanwilliam | South |
| Corbe | Relickmurry & Athassel | Clanwilliam | South |
| Corbet | Clonoulty | Kilmanagh Lower | South |
| Corbet | Donohill | Clanwilliam | South |
| Corbet | Donohill | Kilnamanagh Lower | South |
| Corbet | Killardry | Clanwilliam | South |
| Corbet | Oughterleague | Kilnamanagh Lower | South |
| Corbet | Upperchurch | Kilmanagh Upper | North |
| Corbett | Ardmayle | Middlethird | South |
| Corbett | Ballysheehan | Middlethird | South |
| Corbett | Bruis | Clanwilliam | South |
| Corbett | Clogher | Kilmanagh Lower | South |
| Corbett | Clogher | Kilmanagh Lower | South |
| Corbett | Clonpet | Clanwilliam | South |
| Corbett | Cordangan | Clanwilliam | South |
| Corbett | Cullen | Clanwilliam | South |
| Corbett | Donohill | Clanwilliam | South |
| Corbett | Doon | Kilmanagh Upper | North |
| Corbett | Emly | Clanwilliam | South |
| Corbett | Gaile | Middlethird | South |
| Corbett | Glenbane | Clanwilliam | South |
| Corbett | Kilfeakle | Clanwilliam | South |
| Corbett | Moyaliff | Kilmanagh Upper | North |
| Corbett | Moycarky | Eliogarty | North |
| Corbett | Oughterleague | Clanwilliam | South |
| Corbett | Shronell | Clanwilliam | South |
| Corbett | Solloghodbeg | Clanwilliam | South |
| Corbett | Templebeg | Kilmanagh Upper | North |
| Corbett | Templenoe | Clanwilliam | South |
| Corbett | Toem | Kilmanagh Upper | North |
| Corbett | Upperchurch | Kilmanagh Upper | North |
| Corboy | Cordangan | Clanwilliam | South |
| Corboy | Rathlynin | Clanwilliam | South |
| Corboy | Solloghodbeg | Clanwilliam | South |
| Corcoran | Clogher | Kilmanagh Lower | South |
| Corcoran | Clogher | Kilmanagh Lower | South |
| Corcoran | Clonbeg | Clanwilliam | South |
| Corcoran | Clonbullogue | Clanwilliam | South |
| Corcoran | Clonoulty | Kilmanagh Lower | South |
| Corcoran | Cordangan | Clanwilliam | South |
| Corcoran | Holycross | Eliogarty | North |
| Corcoran | Killardry | Clanwilliam | South |
| Corcoran | Moyaliff | Kilmanagh Upper | North |
| Corcoran | Oughterleague | Clanwilliam | South |
| Corcoran | Relickmurry & Athassel | Clanwilliam | South |
| Corcoran | Templebeg | Kilmanagh Upper | North |
| Corcoran | Templenoe | Clanwilliam | South |
| Corcoran | Tipperary | Clanwilliam | South |
| Corcoran | Toem | Kilmanagh Upper | North |
| Corcoran | Upperchurch | Kilmanagh Upper | North |
| Cormack | Ballysheehan | Middlethird | South |
| Cormack | Clogher | Kilmanagh Lower | South |
| Cormack | Clonbeg | Clanwilliam | South |
| Cormack | Clonbullogue | Clanwilliam | South |
| Cormack | Clonoulty | Kilmanagh Lower | South |
| Cormack | Clonpet | Clanwilliam | South |
| Cormack | Cullen | Clanwilliam | South |
| Cormack | Fertiana | Eliogarty | North |
| Cormack | Holycross | Eliogarty | North |
| Cormack | Moyaliff | Kilmanagh Upper | North |
| Cormack | Moycarky | Eliogarty | North |
| Cormack | Relickmurry & Athassel | Clanwilliam | South |
| Cormack | Relickmurry & Athassel | Middlethird | South |
| Cormack | Shronell | Clanwilliam | South |
| Cormack | Solloghodmore | Clanwilliam | South |
| Cormack | Templebeg | Kilmanagh Upper | North |
| Cormack | Templeneiry | Clanwilliam | South |
| Cormack | Templenoe | Clanwilliam | South |
| Cormack | Upperchurch | Kilmanagh Upper | North |
| Corman | Rathkennan | Kilmanagh Lower | South |
| Cormick | Relickmurry & Athassel | Clanwilliam | South |
| Cormick | Templebeg | Kilmanagh Upper | North |
| Cormie | Upperchurch | Kilmanagh Upper | North |
| Coroven | Relickmurry & Athassel | Clanwilliam | South |
| Corrigan | Clonbeg | Clanwilliam | South |
| Corrigan | Clonbullogue | Clanwilliam | South |
| Corrigan | Cordangan | Clanwilliam | South |
| Corrigan | Fertiana | Eliogarty | North |
| Cosgrave | Doon | Kilmanagh Upper | North |
| Cosgrave | Solloghodmore | Clanwilliam | South |
| Cosgrave | Templebredon | Coonagh | Limerick |
| Cosgrave | Toem | Kilmanagh Upper | North |
| Cosgrife | Emly | Clanwilliam | South |
| Cosgrove | Toem | Kilmanagh Upper | North |
| Costello | Clonbullogue | Clanwilliam | South |
| Costello | Dangandargan | Middlethird | South |
| Costello | Doon | Kilmanagh Upper | North |
| Costello | Moycarky | Eliogarty | North |
| Costello | Relickmurry & Athassel | Clanwilliam | South |
| Costello | Shronell | Clanwilliam | South |
| Costelloe | Clogher | Kilmanagh Lower | South |
| Costelloe | Clonoulty | Kilmanagh Lower | South |
| Costelloe | Clonoulty | Kilmanagh Lower | South |
| Costelloe | Cordangan | Clanwilliam | South |
| Costelloe | Relickmurry & Athassel | Clanwilliam | South |
| Costelloe | Templebeg | Kilmanagh Upper | North |
| Costelloe | Tipperary | Clanwilliam | South |
| Costelloe | Toem | Kilmanagh Upper | North |
| Costelloe | Upperchurch | Kilmanagh Upper | North |
| Costigan | Ardmayle | Middlethird | South |
| Costigan | Gaile | Middlethird | South |
| Costigan | Killardry | Clanwilliam | South |
| Cotter | Ballintemple | Kilmanagh Lower | South |
| Cotter | Tipperary | Clanwilliam | South |
| Cotter | Toem | Kilmanagh Upper | North |
| Cox | Templeneiry | Clanwilliam | South |
| Coxoran | Clonbeg | Clanwilliam | South |
| Craddock | Tipperary | Clanwilliam | South |
| Cradick | Templebeg | Kilmanagh Upper | North |
| Cranitch | Solloghodbeg | Clanwilliam | South |
| Cranley | Donohill | Clanwilliam | South |
| Cranley | Solloghodmore | Clanwilliam | South |
| Cranley | Tipperary | Clanwilliam | South |
| Cranly | Ballintemple | Kilmanagh Lower | South |
| Cranly | Solloghodmore | Clanwilliam | South |
| Crawford | Clonbeg | Clanwilliam | South |
| Crawford | Relickmurry & Athassel | Clanwilliam | South |
| Crawford | Solloghodmore | Clanwilliam | South |
| Crawley | Tipperary | Clanwilliam | South |
| Creagh | Clonbullogue | Clanwilliam | South |
| Creagh | Clonoulty | Kilmanagh Lower | South |
| Creagh | Donohill | Kilnamanagh Lower | South |
| Creagh | Holycross | Eliogarty | North |
| Creagh | Relickmurry & Athassel | Clanwilliam | South |
| Creagh | Solloghodmore | Clanwilliam | South |
| Creed | Moycarky | Eliogarty | North |
| Creswell | Templeneiry | Clanwilliam | South |
| Croagh | Aghacrew | Kilmanagh Lower | South |
| Croagh | Ballintemple | Kilmanagh Lower | South |
| Croagh | Ballysheehan | Middlethird | South |
| Croagh | Bruis | Clanwilliam | South |
| Croagh | Clogher | Kilmanagh Lower | South |
| Croagh | Clonoulty | Kilmanagh Lower | South |
| Croagh | Clonpet | Clanwilliam | South |
| Croagh | Cordangan | Clanwilliam | South |
| Croagh | Donohill | Clanwilliam | South |
| Croagh | Donohill | Kilnamanagh Lower | South |
| Croagh | Emly | Clanwilliam | South |
| Croagh | Glenbane | Clanwilliam | South |
| Croagh | Kilfeakle | Clanwilliam | South |
| Croagh | Kilshane | Clanwilliam | South |
| Croagh | Relickmurry & Athassel | Clanwilliam | South |
| Croagh | Shronell | Clanwilliam | South |
| Croagh | Templebredon | Coonagh | Limerick |
| Croagh | Templeneiry | Clanwilliam | South |
| Croagh | Templenoe | Clanwilliam | South |
| Croagh | Tipperary | Clanwilliam | South |
| Croake | Templebeg | Kilmanagh Upper | North |
| Crober | Bruis | Clanwilliam | South |
| Crober | Glenbane | Clanwilliam | South |
| Croker | Templebredon | Coonagh | Limerick |
| Cronan | Horeabbey | Middlethird | South |
| Croneen | Clonpet | Clanwilliam | South |
| Croney | Horeabbey | Middlethird | South |
| Cronin | Clonbeg | Clanwilliam | South |
| Cronin | Clonbullogue | Clanwilliam | South |
| Cronin | Cordangan | Clanwilliam | South |
| Cronin | Emly | Clanwilliam | South |
| Cronin | Holycross | Eliogarty | North |
| Cronin | Kilfeakle | Clanwilliam | South |
| Cronin | Kilmore | Kilmanagh Lower | South |
| Cronin | Lattin | Clanwilliam | South |
| Cronin | Solloghodbeg | Clanwilliam | South |
| Cronin | Solloghodmore | Clanwilliam | South |
| Cronin | Templenoe | Clanwilliam | South |
| Cronin | Tipperary | Clanwilliam | South |
| Cronin | Toem | Clanwilliam | South |
| Cronin | Toem | Kilmanagh Upper | North |
| Cross | Ballysheehan | Middlethird | South |
| Cross | Clonpet | Clanwilliam | South |
| Cross | Cordangan | Clanwilliam | South |
| Cross | Corroge | Clanwilliam | South |
| Cross | Donohill | Clanwilliam | South |
| Cross | Donohill | Kilnamanagh Lower | South |
| Cross | Kilfeakle | Clanwilliam | South |
| Cross | Shronell | Clanwilliam | South |
| Cross | Solloghodbeg | Clanwilliam | South |
| Cross | Tipperary | Clanwilliam | South |
| Crotty | Clonpet | Clanwilliam | South |
| Crotty | Fertiana | Eliogarty | North |
| Crotty | Shronell | Clanwilliam | South |
| Crotty | Tipperary | Clanwilliam | South |
| Crotty | Toem | Kilmanagh Upper | North |
| Crough | Holycross | Eliogarty | North |
| Crow | Emly | Clanwilliam | South |
| Crow | Rathlynin | Clanwilliam | South |
| Crow | Toem | Kilmanagh Upper | North |
| Crow | Upperchurch | Kilmanagh Upper | North |
| Crowe | Ardmayle | Middlethird | South |
| Crowe | Ballysheehan | Middlethird | South |
| Crowe | Clonbullogue | Clanwilliam | South |
| Crowe | Doon | Kilmanagh Upper | North |
| Crowe | Moyaliff | Kilmanagh Upper | North |
| Crowe | Relickmurry & Athassel | Clanwilliam | South |
| Crowe | Relickmurry & Athassel | Middlethird | South |
| Crowe | Shronell | Clanwilliam | South |
| Crowe | Templebeg | Kilmanagh Upper | North |
| Crowe | Templeneiry | Clanwilliam | South |
| Crowley | Ballysheehan | Middlethird | South |
| Crowley | Donohill | Kilnamanagh Lower | South |
| Crowley | Kilfeakle | Clanwilliam | South |
| Crowley | Relickmurry & Athassel | Clanwilliam | South |
| Crowley | Tipperary | Clanwilliam | South |
| Crowley | Toem | Kilmanagh Upper | North |
| Crowne | Clogher | Kilmanagh Lower | South |
| Cruise | Toem | Kilmanagh Upper | North |
| Crumin | Donohill | Clanwilliam | South |
| Cuddehy | Holycross | Eliogarty | North |
| Cuddy | Tipperary | Clanwilliam | South |
| Cuffe | Solloghodmore | Clanwilliam | South |
| Cull | Upperchurch | Kilmanagh Upper | North |
| Cullagh | Clogher | Kilmanagh Lower | South |
| Cullagh | Moyaliff | Kilmanagh Upper | North |
| Cullen | Ballysheehan | Middlethird | South |
| Cullen | Clogher | Kilmanagh Lower | South |
| Cullen | Clonoulty | Kilmanagh Lower | South |
| Cullen | Fertiana | Eliogarty | North |
| Cullen | Relickmurry & Athassel | Clanwilliam | South |
| Culligan | Lattin | Clanwilliam | South |
| Cullinan | Fertiana | Eliogarty | North |
| Cullinane | Ardmayle | Middlethird | South |
| Cullinane | Templeneiry | Clanwilliam | South |
| Cummins | Clogher | Kilmanagh Lower | South |
| Cummins | Clonoulty | Kilmanagh Lower | South |
| Cummins | Cordangan | Clanwilliam | South |
| Cummins | Donohill | Clanwilliam | South |
| Cummins | Donohill | Kilnamanagh Lower | South |
| Cummins | Killardry | Clanwilliam | South |
| Cummins | Moyaliff | Kilmanagh Upper | North |
| Cummins | Moycarky | Eliogarty | North |
| Cummins | Rathkennan | Kilmanagh Lower | South |
| Cummins | Relickmurry & Athassel | Clanwilliam | South |
| Cummins | Solloghodmore | Clanwilliam | South |
| Cummins | Templebredon | Clanwilliam | South |
| Cummins | Templenoe | Clanwilliam | South |
| Cummins | Tipperary | Clanwilliam | South |
| Cunnane | Relickmurry & Athassel | Clanwilliam | South |
| Cunneen | Upperchurch | Kilmanagh Upper | North |
| Cunningham | Ballysheehan | Middlethird | South |
| Cunningham | Clonbeg | Clanwilliam | South |
| Cunningham | Dangandargan | Clanwilliam | South |
| Cunningham | Killardry | Clanwilliam | South |
| Cunningham | Moycarky | Eliogarty | North |
| Cunningham | Rathlynin | Clanwilliam | South |
| Cunningham | Relickmurry & Athassel | Clanwilliam | South |
| Cunningham | Solloghodbeg | Clanwilliam | South |
| Cunningham | Templebredon | Coonagh | Limerick |
| Cunningham | Tipperary | Clanwilliam | South |
| Currahean | Toem | Kilmanagh Upper | North |
| Curran | Ardmayle | Middlethird | South |
| Curran | Holycross | Eliogarty | North |
| Curravan | Relickmurry & Athassel | Clanwilliam | South |
| Currivan | Clonbeg | Clanwilliam | South |
| Curry | Relickmurry & Athassel | Clanwilliam | South |
| Curtin | Corroge | Clanwilliam | South |
| Curtin | Tipperary | Clanwilliam | South |
| Curwin | Ardmayle | Middlethird | South |
| Curwin | Ardmayle | Middlethird | South |
| Curwin | Ballysheehan | Middlethird | South |
| Curwin | Gaile | Middlethird | South |
| Cusack | Horeabbey | Middlethird | South |
| Cusack | Templeneiry | Clanwilliam | South |
| Cush | Cordangan | Clanwilliam | South |
| Cusheen | Ballysheehan | Middlethird | South |
| Cushen | Ballysheehan | Middlethird | South |
| Cushen | Dangandargan | Middlethird | South |
| Cushen | Templeneiry | Clanwilliam | South |
| Cushin | Clonbeg | Clanwilliam | South |
| Cushin | Emly | Clanwilliam | South |
| Cushin | Relickmurry & Athassel | Clanwilliam | South |
| Cushion | Kilfeakle | Clanwilliam | South |
| Cushion | Oughterleague | Kilnamanagh Lower | South |
| Cusick | Relickmurry & Athassel | Clanwilliam | South |
| Cussen | Cullen | Clanwilliam | South |
| Cussin | Clonbeg | Clanwilliam | South |
| Cuthbert | Ardmayle | Middlethird | South |
| Dady | Templebeg | Kilmanagh Upper | North |
| Dagg | Relickmurry & Athassel | Clanwilliam | South |
| Daily | Kilfeakle | Clanwilliam | South |
| Dalton | Ballysheehan | Middlethird | South |
| Dalton | Clonbeg | Clanwilliam | South |