| Bedfordshire | 1 |
| Buckinghamshire | 0 |
| Berkshire | 3 |
| Cambridgeshire | 2 |
| Channel Islands | 6 |
| Cheshire | 76 |
| Cornwall | 2 |
| Cumberland | 14 |
| Derbyshire | 20 |
| Devon | 10 |
| Dorset | 0 |
| Durham | 113 |
| Essex | 21 |
| Gloucestershire | 5 |
| Hampshire | 14 |
| Herefordshire | 2 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 1 |
| Kent | 31 |
| Lancashire | 1,118 |
| Leicestershire | 2 |
| Lincolnshire | 1 |
| London | 193 |
| Middlesex | 12 |
| Northumberland | 62 |
| Norfolk | 0 |
| Northamptonshire | 2 |
| Nottinghamshire | 13 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 2 |
| Suffolk | 2 |
| Somerset | 1 |
| Surrey | 18 |
| Sussex | 4 |
| Staffordshire | 79 |
| Warwickshire | 37 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 3 |
| Yorkshire | 260 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 1 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 19 |
| Merionethshire | 1 |
| Montgomeryshire | 0 |
| Monmouthshire | 34 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| School | 213 |
| Labourer | 38 |
| General Labourer | 22 |
| Dock Labourer | 18 |
| Coal Miner Hewer | 18 |
| At School | 13 |
| Farm Labourer | 13 |
| Private Means | 12 |
| Labourer General | 11 |
| Cotton Weaver | 11 |
| At Home | 10 |
| Soldier | 10 |
| Dressmaker | 9 |
| Student | 9 |
| Housekeeper | 9 |
| Carter | 8 |
| Laundress | 8 |
| Domestic Servant | 7 |
| Bricklayer | 7 |
| Scholar | 7 |
| House Wife | 7 |
| General Servant (domestic) | 6 |
| House Keeper | 6 |
| Charwoman | 6 |
| Ring Spinner | 6 |
| Name | Census Frequency |
|---|---|
| Mary Molloy | 839 |
| John Molloy | 761 |
| Thomas Molloy | 469 |
| James Molloy | 424 |
| William Molloy | 318 |
| Elizabeth Molloy | 255 |
| Margaret Molloy | 238 |
| Patrick Molloy | 225 |
| Catherine Molloy | 223 |
| Ellen Molloy | 196 |
| Ann Molloy | 174 |
| Joseph Molloy | 171 |
| Michael Molloy | 168 |
| Annie Molloy | 158 |
| Sarah Molloy | 151 |
| Edward Molloy | 149 |
| Bridget Molloy | 143 |
| Jane Molloy | 115 |
| Charles Molloy | 106 |
| George Molloy | 88 |
| Peter Molloy | 80 |
| Alice Molloy | 77 |
| Eliza Molloy | 73 |
| Henry Molloy | 63 |
| Robert Molloy | 59 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Molloy | 100% | 8,148 |
| 2 | Malley | 67% | 7,505 |
| 3 | Mulley | 67% | 5,197 |
| 4 | Malloy | 83% | 1,982 |
| 5 | Molley | 83% | 1,376 |
| 6 | Omalley | 57% | 1,214 |
| 7 | Mulloy | 83% | 1,141 |
| 8 | Melloy | 83% | 773 |
| 9 | Mally | 67% | 717 |
| 10 | Milley | 67% | 622 |
| 11 | Melley | 67% | 523 |
| 12 | Moloy | 83% | 486 |
| 13 | Mully | 67% | 395 |
| 14 | Melly | 67% | 356 |
| 15 | Molly | 83% | 310 |
| 16 | Mullay | 67% | 219 |
| 17 | Milly | 67% | 199 |
| 18 | Mallay | 67% | 168 |
| 19 | Mollay | 83% | 159 |
| 20 | Milloy | 83% | 147 |
| 21 | Omally | 50% | 101 |
The surname Molloy is the most popular version of all its varients