| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 3 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 5 |
| Cornwall | 0 |
| Cumberland | 17 |
| Derbyshire | 0 |
| Devon | 2 |
| Dorset | 0 |
| Durham | 68 |
| Essex | 2 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 57 |
| Leicestershire | 5 |
| Lincolnshire | 0 |
| London | 28 |
| Middlesex | 0 |
| Northumberland | 47 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 1 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 1 |
| Warwickshire | 0 |
| Westmorland | 0 |
| Wiltshire | 1 |
| Worcestershire | 1 |
| Yorkshire | 61 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 3 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 2 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| School | 27 |
| General Labourer | 4 |
| Home | 3 |
| Housekeeper | 3 |
| Coal Miner Hewer | 3 |
| Labour General | 3 |
| Labourer | 2 |
| Dock Labourer | 2 |
| House Keeper | 2 |
| Carting Contracter | 2 |
| Worsted Spinner | 2 |
| Machine Puncher | 2 |
| Iron Ore Labourer | 2 |
| Shop Assistant | 2 |
| At School | 2 |
| Errand Boy | 2 |
| Wood Sawyer Joinery Works | 2 |
| Able Serman | 1 |
| Blacksmiths Stricker | 1 |
| Brass Finisher | 1 |
| Butchers Labourer | 1 |
| Calico Prting Trade | 1 |
| Cardroom Grinder | 1 |
| Coal Brewer | 1 |
| Cocanter Eycavator | 1 |
| Name | Census Frequency |
|---|---|
| Mary Malloy | 246 |
| John Malloy | 181 |
| James Malloy | 108 |
| William Malloy | 90 |
| Thomas Malloy | 88 |
| Margaret Malloy | 64 |
| Patrick Malloy | 62 |
| Catherine Malloy | 56 |
| Elizabeth Malloy | 55 |
| Ann Malloy | 48 |
| Ellen Malloy | 46 |
| Joseph Malloy | 43 |
| Michael Malloy | 41 |
| Sarah Malloy | 41 |
| Annie Malloy | 35 |
| Bridget Malloy | 35 |
| Edward Malloy | 33 |
| Charles Malloy | 28 |
| Jane Malloy | 27 |
| Peter Malloy | 26 |
| George Malloy | 23 |
| Henry Malloy | 23 |
| Alice Malloy | 21 |
| Robert Malloy | 21 |
| Richard Malloy | 16 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Molloy | 83% | 8,148 |
| 2 | Malley | 83% | 7,505 |
| 3 | Mulley | 67% | 5,197 |
| 4 | Maloy | 83% | 2,095 |
| 5 | Malloy | 100% | 1,982 |
| 6 | Molley | 67% | 1,376 |
| 7 | Omalley | 71% | 1,214 |
| 8 | Mulloy | 83% | 1,141 |
| 9 | Melloy | 83% | 773 |
| 10 | Mally | 83% | 717 |
| 11 | Milley | 67% | 622 |
| 12 | Melley | 67% | 523 |
| 13 | Mully | 67% | 395 |
| 14 | Melly | 67% | 356 |
| 15 | Molly | 67% | 310 |
| 16 | Mullay | 67% | 219 |
| 17 | Milly | 67% | 199 |
| 18 | Mallay | 83% | 168 |
| 19 | Mollay | 67% | 159 |
| 20 | Milloy | 83% | 147 |
| 21 | Omally | 67% | 101 |
The surname Malloy is the 5th most popular variant of Molloy.