| Bedfordshire | 2 |
| Buckinghamshire | 4 |
| Berkshire | 0 |
| Cambridgeshire | 1 |
| Channel Islands | 1 |
| Cheshire | 42 |
| Cornwall | 0 |
| Cumberland | 9 |
| Derbyshire | 18 |
| Devon | 8 |
| Dorset | 1 |
| Durham | 81 |
| Essex | 17 |
| Gloucestershire | 19 |
| Hampshire | 53 |
| Herefordshire | 0 |
| Hertfordshire | 1 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 11 |
| Lancashire | 623 |
| Leicestershire | 9 |
| Lincolnshire | 11 |
| London | 129 |
| Middlesex | 14 |
| Northumberland | 54 |
| Norfolk | 6 |
| Northamptonshire | 0 |
| Nottinghamshire | 20 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 7 |
| Somerset | 0 |
| Surrey | 13 |
| Sussex | 6 |
| Staffordshire | 63 |
| Warwickshire | 68 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 9 |
| Yorkshire | 63 |
| Anglesey | 0 |
| Brecknockshire | 1 |
| Cardiganshire | 0 |
| Carnarvonshire | 3 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 12 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 16 |
| Pembrokeshire | 3 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 246 |
| General Labourer | 38 |
| Cotton Weaver | 37 |
| Labourer | 29 |
| Coal Miner | 24 |
| Clerk | 15 |
| Living On Own Means | 11 |
| Dress Maker | 10 |
| Domestic Servant | 8 |
| Cotton Winder | 8 |
| Grocer | 8 |
| Agricultural Labourer | 7 |
| Carter | 7 |
| Laundress | 6 |
| Mill Operative | 6 |
| Apprentice | 6 |
| Charwoman | 6 |
| Tailoress | 6 |
| Dressmaker | 6 |
| House Keeper | 5 |
| No Occupation | 5 |
| Errand Boy | 5 |
| General Servant Domestic | 5 |
| Living On Her Own Means | 5 |
| Shipyard Labourer | 4 |
| Name | Census Frequency |
|---|---|
| Mary Malley | 691 |
| John Malley | 591 |
| James Malley | 355 |
| Thomas Malley | 347 |
| William Malley | 322 |
| Elizabeth Malley | 293 |
| Margaret Malley | 210 |
| Catherine Malley | 207 |
| Ann Malley | 197 |
| Sarah Malley | 186 |
| Patrick Malley | 177 |
| Edward Malley | 171 |
| Bridget Malley | 155 |
| Michael Malley | 155 |
| Ellen Malley | 142 |
| George Malley | 127 |
| Joseph Malley | 104 |
| Henry Malley | 101 |
| Charles Malley | 97 |
| Annie Malley | 93 |
| Jane Malley | 92 |
| Alice Malley | 81 |
| Eliza Malley | 78 |
| Peter Malley | 77 |
| Martha Malley | 67 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Molloy | 67% | 8,148 |
| 2 | Malley | 100% | 7,505 |
| 3 | Mulley | 83% | 5,197 |
| 4 | Maley | 83% | 4,972 |
| 5 | Malloy | 83% | 1,982 |
| 6 | Molley | 83% | 1,376 |
| 7 | Omalley | 86% | 1,214 |
| 8 | Mulloy | 67% | 1,141 |
| 9 | Mailey | 83% | 814 |
| 10 | Melloy | 67% | 773 |
| 11 | Mally | 83% | 717 |
| 12 | Maly | 67% | 622 |
| 13 | Milley | 83% | 622 |
| 14 | Melley | 83% | 523 |
| 15 | Mully | 67% | 395 |
| 16 | Melly | 67% | 356 |
| 17 | Molly | 67% | 310 |
| 18 | Mayley | 83% | 306 |
| 19 | Mullay | 67% | 219 |
| 20 | Milly | 67% | 199 |
| 21 | Mallay | 83% | 168 |
| 22 | Mollay | 67% | 159 |
| 23 | Milloy | 67% | 147 |
| 24 | Omally | 67% | 101 |
The surname Malley is the 2nd most popular variant of Molloy.