| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 22 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 0 |
| Dorset | 0 |
| Durham | 2 |
| Essex | 2 |
| Gloucestershire | 0 |
| Hampshire | 1 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 1 |
| Lancashire | 139 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 0 |
| Middlesex | 0 |
| Northumberland | 0 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 1 |
| Sussex | 2 |
| Staffordshire | 31 |
| Warwickshire | 16 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 7 |
| Yorkshire | 24 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 50 |
| General Labourer | 6 |
| Agricultural Labourer | 5 |
| Domestic Servant | 5 |
| Labourer | 5 |
| Cotton Spinner | 4 |
| Card Tenter Cotton Mill | 3 |
| Coal Miner | 3 |
| Farm Labourer | 3 |
| Fruit Hawker | 3 |
| House Keeper | 3 |
| Labourer In Iron Works | 3 |
| Bricklayer | 2 |
| Cotton Labourer Carrier In Mill | 2 |
| General Servant Domestic | 2 |
| Merchant Clerk | 2 |
| Railway Porter | 2 |
| Servant Out Of Sit | 2 |
| Bricklayer Labourer | 2 |
| Annuitant | 2 |
| Iron Works Labourer | 2 |
| Seaman Royal Navy | 1 |
| Tutor Private | 1 |
| General Farm Labourer | 1 |
| Grocer | 1 |
| Name | Census Frequency |
|---|---|
| Mary Mulloy | 119 |
| John Mulloy | 107 |
| Thomas Mulloy | 65 |
| James Mulloy | 54 |
| Patrick Mulloy | 52 |
| Catherine Mulloy | 50 |
| Margaret Mulloy | 43 |
| Ellen Mulloy | 39 |
| William Mulloy | 34 |
| Bridget Mulloy | 33 |
| Michael Mulloy | 29 |
| Ann Mulloy | 28 |
| Edward Mulloy | 28 |
| George Mulloy | 23 |
| Sarah Mulloy | 21 |
| Annie Mulloy | 19 |
| Elizabeth Mulloy | 17 |
| Martin Mulloy | 17 |
| Jane Mulloy | 16 |
| Charles Mulloy | 13 |
| Maria Mulloy | 11 |
| Henry Mulloy | 10 |
| Peter Mulloy | 10 |
| Joseph Mulloy | 9 |
| Kate Mulloy | 9 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Molloy | 83% | 8,148 |
| 2 | Malley | 67% | 7,505 |
| 3 | Mulley | 83% | 5,197 |
| 4 | Malloy | 83% | 1,982 |
| 5 | Molley | 67% | 1,376 |
| 6 | Omalley | 57% | 1,214 |
| 7 | Mulloy | 100% | 1,141 |
| 8 | Melloy | 83% | 773 |
| 9 | Mally | 67% | 717 |
| 10 | Milley | 67% | 622 |
| 11 | Melley | 67% | 523 |
| 12 | Mully | 83% | 395 |
| 13 | Melly | 67% | 356 |
| 14 | Molly | 67% | 310 |
| 15 | Mullay | 83% | 219 |
| 16 | Milly | 67% | 199 |
| 17 | Mallay | 67% | 168 |
| 18 | Mollay | 67% | 159 |
| 19 | Milloy | 83% | 147 |
| 20 | Omally | 50% | 101 |
The surname Mulloy is the 7th most popular variant of Molloy.