| Surnames | Total | Surnames | Total | Surnames | Total | Surnames | Total | Surnames | Total | Surnames | Total |
| Agnew | 6 | Creegan | 2 | Goodfellow | 2 | Long | 1 | McGowan | 1 | Park | 1 |
| Banican | 1 | Creesh | 1 | Grant | 20 | Loughran | 4 | McGuinness | 2 | Perry | 2 |
| Bannican | 1 | Crilly | 1 | Green | 1 | Louth | 1 | McGuirk | 1 | Pyers | 1 |
| Barker | 1 | Crommie | 3 | Gregory | 5 | Lowe | 3 | McGurk | 3 | Quigley | 6 |
| Bates | 1 | Crummie | 1 | Griffin | 1 | Loy | 9 | McIlvene | 3 | Quin | 4 |
| Batterton | 1 | Cumiskey | 7 | Grimes | 3 | Loye | 14 | McIver | 2 | Quinn | 42 |
| Beattie | 1 | Cunningham | 5 | Hale | 6 | Lucky | 3 | McKeever | 3 | Rafferty | 4 |
| Began | 1 | Curran | 1 | Hamill | 2 | Lynch | 1 | McKenna | 8 | Reel | 6 |
| Begley | 5 | Daily | 1 | Hand | 1 | Lynas | 1 | McKeown | 20 | Reid | 1 |
| Bellew | 1 | Daley | 1 | Hanna | 1 | Macken | 5 | McKevitt | 1 | Reilly | 2 |
| Bellow | 1 | Daly | 10 | Hannon | 1 | Mackin | 32 | McKinley | 3 | Renaghan | 2 |
| Bennet | 1 | Delaney | 1 | Hanratty | 15 | Magill | 2 | McLean | 1 | Reynolds | 2 |
| Bennett | 1 | Devlin | 5 | Hart | 1 | Magin | 1 | McMahon | 19 | Rice | 4 |
| Black | 1 | Dobbs | 1 | Harte | 5 | Maguire | 9 | McManus | 2 | Richardson | 2 |
| Blacker | 1 | Donaghy | 6 | Harrison | 1 | Mallon | 8 | McNamee | 7 | Robb | 3 |
| Borden | 1 | Donaho | 1 | Harvesy | 1 | Malone | 3 | McNally | 6 | Robinson | 1 |
| Bowden | 1 | Donaldson | 12 | Harvey | 13 | Markey | 1 | McNeely | 1 | Rocks | 2 |
| Boyle | 15 | Donaghan | 1 | Harvy | 2 | Marks | 2 | McNulty | 17 | Rodgers | 2 |
| Bradley | 2 | Donaghy | 8 | Haughey | 1 | Marron | 1 | McParland | 4 | Ronaghan | 1 |
| Braidy | 1 | Donnelly | 18 | Hawey | 1 | Martin | 8 | McQuillan | 3 | Rooney | 8 |
| Branaghan | 1 | Doran | 1 | Heaney | 1 | McAleavy | 2 | McQuaid | 1 | Rowland | 5 |
| Brannigan | 4 | Downey | 1 | Hearty | 42 | McAlister | 2 | McShane | 29 | Ruddy | 7 |
| Breen | 1 | Doyle | 1 | Henery | 3 | McAllister | 3 | McShean | 2 | Runey | 1 |
| Brennan | 2 | Drysdale | 1 | Holland | 1 | McAneany | 1 | McTenna | 1 | Rush | 3 |
| Brown | 3 | Duffy | 22 | Hollywood | 7 | McAneaney | 1 | McVeigh | 3 | Sammon | 1 |
| Brownlow | 1 | Duncan | 1 | Holywood | 1 | McAnulty | 1 | McVerry | 1 | Sheridan | 3 |
| Burns | 19 | Durnin | 1 | Howells | 2 | McArdle | 18 | Meehan | 3 | Sherry | 2 |
| Byrne | 7 | Early | 3 | Hughes | 54 | McAtear | 1 | Mines | 7 | Shevlin | 2 |
| Byrnes | 3 | Eastwood | 1 | Jackson | 3 | McBride | 1 | Moan | 1 | Shields | 6 |
| Caffrey | 2 | Ellis | 2 | Jeffers | 6 | McBurney | 1 | Mohan | 2 | Shiels | 3 |
| Caherty | 4 | Elmore | 2 | Johnston | 8 | McCabe | 18 | Moley | 9 | Short | 5 |
| Calaghan | 1 | English | 2 | Kearnan | 1 | McCann | 13 | Moorhead | 1 | Shoulder | 1 |
| Callaghan | 20 | Evans | 1 | Kearney | 8 | McCardle | 11 | Morgan | 8 | Simpson | 1 |
| Callan | 6 | Fannan | 1 | Kearns | 1 | McClean | 1 | Morris | 16 | Sinclair | 1 |
| Campbell | 9 | Fanning | 1 | Keegan | 4 | McCluskey | 1 | Moynes | 2 | Sloan | 1 |
| Cane | 1 | Farrell | 3 | Keenan | 16 | McClure | 1 | Muckien | 2 | Smith | 6 |
| Cannon | 1 | Faughy | 2 | Kernan | 2 | McConville | 12 | Mullan | 1 | Smyth | 1 |
| Caragher | 2 | Fearon | 1 | Kiernan | 2 | McCooey | 7 | Mullen | 1 | Speers | 1 |
| Carefoot | 1 | Fechan | 1 | Kelly | 37 | McCormick | 2 | Mulligan | 3 | Stephens | 1 |
| Carney | 1 | Fee | 2 | Kennan | 1 | McCoy | 22 | Murchan | 2 | Sullivan | 1 |
| Carragher | 21 | Feehan | 3 | Kerley | 5 | McCudden | 1 | Murphy | 45 | Taffe | 3 |
| Carrol | 1 | Feeley | 1 | Kieran | 3 | McCreesh | 18 | Murray | 6 | Taffey | 2 |
| Casey | 9 | Feenan | 1 | Kilroy | 1 | McDermot | 1 | Murry | 2 | Tavey | 1 |
| Cassidy | 2 | Feeney | 1 | Kirk | 12 | McDonnell | 3 | Murtagh | 4 | Toner | 4 |
| Clarke | 2 | Fegan | 6 | Lafferty | 6 | McEldrew | 2 | Neill | 1 | Treanor | 6 |
| Clements | 1 | Ferron | 1 | Lamb | 3 | McElroy | 3 | Nelson | 1 | Trainor | 3 |
| Clerkin | 1 | Finegan | 2 | Lambe | 7 | McEneny | 1 | Norton | 3 | Traynor | 6 |
| Collins | 1 | Finnegan | 5 | Largap | 1 | McEntee | 3 | Nugent | 5 | Tumilty | 2 |
| Conlon | 22 | Fisher | 2 | Largey | 1 | McEnteggart | 1 | O'Brien | 2 | Wade | 2 |
| Connel | 1 | Fitzsimons | 1 | Largy | 3 | McEntegart | 5 | O'Callaghan | 3 | Ward | 4 |
| Connellan | 1 | Flynn | 3 | Larkin | 7 | McEvoy | 1 | O'Connor | 1 | Waters | 2 |
| Connolly | 5 | Garland | 6 | Laverty | 4 | McGahan | 2 | O'Donnell | 2 | Watters | 18 |
| Corr | 5 | Gartland | 6 | Lavall | 1 | McGahran | 2 | O'Hagan | 1 | White | 3 |
| Corrigan | 4 | Gearty | 1 | Lavell | 2 | McGarrell | 1 | O'Hanlon | 4 | Wiley | 1 |
| Cosgrove | 1 | Garvey | 10 | Lavelle | 11 | McGaw | 1 | O'Hare | 13 | Wilson | 2 |
| Coulter | 3 | Gibson | 1 | Lenaghan | 4 | McGeeney | 16 | O'Neill | 8 | Woods | 10 |
| Courtney | 3 | Gill | 1 | Lennan | 1 | McGeough | 4 | O'Reilly | 1 | Wright | 1 |
| Cowan | 4 | Gilmore | 3 | Lennon | 16 | McGill | 2 | Owens | 2 | Wynn | 1 |
| Coyne | 1 | Gogarty | 1 | Leonard | 1 | McGinn | 4 | Palmer | 1 | ||
| Craige | 1 | Golloghly | 6 | Linden | 1 | McGorman | 1 | Patton | 1 | ||