| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 1 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 1 |
| Devon | 0 |
| Dorset | 0 |
| Durham | 3 |
| Essex | 0 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 1 |
| Lancashire | 55 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 5 |
| Middlesex | 0 |
| Northumberland | 1 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 10 |
| Warwickshire | 0 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 2 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 1 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 8 |
| Labourer At Alkali Worker | 2 |
| Shoe Maker | 2 |
| Apprentice | 2 |
| Factory Hand | 2 |
| Provision Dealer | 2 |
| Bar Maid | 1 |
| Bolt Maker | 1 |
| Brick Maker | 1 |
| Congreve Match Maker | 1 |
| Cotton Spinner | 1 |
| Cotton Weaver | 1 |
| Dock Labourer | 1 |
| Dress Maker | 1 |
| Dress Maker Ap | 1 |
| Engine Smith | 1 |
| Engraver | 1 |
| Engraver Employing 3 Men | 1 |
| Excavator | 1 |
| Factory Worker Cotton | 1 |
| Grocer | 1 |
| Capperas Maker At Chemical Work | 1 |
| Labourer & Dress Maker | 1 |
| Labourer At Chemical Works | 1 |
| Straw Bonnet Maker | 1 |
| Name | Census Frequency |
|---|---|
| Mary Melloy | 69 |
| John Melloy | 62 |
| William Melloy | 49 |
| Sarah Melloy | 47 |
| James Melloy | 39 |
| Elizabeth Melloy | 35 |
| Thomas Melloy | 30 |
| Annie Melloy | 22 |
| Margaret Melloy | 21 |
| Patrick Melloy | 20 |
| Ann Melloy | 19 |
| Catherine Melloy | 16 |
| Alice Melloy | 14 |
| Jane Melloy | 14 |
| Robert Melloy | 14 |
| Joseph Melloy | 11 |
| Alfred Melloy | 10 |
| Charles Melloy | 10 |
| Ellen Melloy | 10 |
| George Melloy | 10 |
| Edward Melloy | 8 |
| Eliza Melloy | 8 |
| Emma Melloy | 8 |
| Hannah Melloy | 8 |
| Peter Melloy | 7 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Molloy | 83% | 8,148 |
| 2 | Malley | 67% | 7,505 |
| 3 | Mulley | 67% | 5,197 |
| 4 | Malloy | 83% | 1,982 |
| 5 | Molley | 67% | 1,376 |
| 6 | Omalley | 57% | 1,214 |
| 7 | Mulloy | 83% | 1,141 |
| 8 | Melloy | 100% | 773 |
| 9 | Mally | 67% | 717 |
| 10 | Meloy | 83% | 693 |
| 11 | Milley | 67% | 622 |
| 12 | Melley | 83% | 523 |
| 13 | Mully | 67% | 395 |
| 14 | Melly | 83% | 356 |
| 15 | Molly | 67% | 310 |
| 16 | Mullay | 67% | 219 |
| 17 | Milly | 67% | 199 |
| 18 | Mallay | 67% | 168 |
| 19 | Mollay | 67% | 159 |
| 20 | Milloy | 83% | 147 |
| 21 | Omally | 50% | 101 |
The surname Melloy is the 8th most popular variant of Molloy.