| Bedfordshire | 2 |
| Buckinghamshire | 4 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 45 |
| Cornwall | 6 |
| Cumberland | 0 |
| Derbyshire | 1 |
| Devon | 7 |
| Dorset | 3 |
| Durham | 22 |
| Essex | 24 |
| Gloucestershire | 12 |
| Hampshire | 47 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 1 |
| Kent | 22 |
| Lancashire | 513 |
| Leicestershire | 2 |
| Lincolnshire | 5 |
| London | 57 |
| Middlesex | 4 |
| Northumberland | 25 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 8 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 11 |
| Sussex | 6 |
| Staffordshire | 17 |
| Warwickshire | 30 |
| Westmorland | 1 |
| Wiltshire | 0 |
| Worcestershire | 17 |
| Yorkshire | 47 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 15 |
| Flintshire | 0 |
| Glamorgan | 7 |
| Merionethshire | 1 |
| Montgomeryshire | 0 |
| Monmouthshire | 4 |
| Pembrokeshire | 2 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| School | 77 |
| Labourer | 14 |
| Private Means | 11 |
| Cotton Weaver | 10 |
| General Labourer | 9 |
| None | 8 |
| Weaver | 8 |
| Carter | 7 |
| Dressmaker | 7 |
| General Servant (domestic) | 6 |
| At Home | 5 |
| Charwoman | 5 |
| Farm Labourer | 5 |
| Joiner | 5 |
| Coal Miner Hewer | 4 |
| House Keeper | 4 |
| Labourer General | 4 |
| Music Hall Ardiste (acrobad) | 4 |
| School Boy | 4 |
| Weaver Cotton | 4 |
| Weaver Cotton Cloth | 4 |
| Marine Store Dealer | 4 |
| Coat Miner Hewer | 4 |
| Clerk | 3 |
| House Painter | 3 |
| 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.