| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 7 |
| Cornwall | 0 |
| Cumberland | 51 |
| Derbyshire | 0 |
| Devon | 0 |
| Dorset | 0 |
| Durham | 1 |
| Essex | 0 |
| Gloucestershire | 4 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 7 |
| Huntingdonshire | 0 |
| Isle of Man | 2 |
| Kent | 0 |
| Lancashire | 9 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 18 |
| Middlesex | 0 |
| Northumberland | 0 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 1 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 1 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 2 |
| Warwickshire | 0 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 3 |
| 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 | 18 |
| Lead Miner | 10 |
| Lead Ore Smelter | 5 |
| Lead Ore Washer | 3 |
| Labourer | 2 |
| Employed At Home | 2 |
| Provision Dealer | 2 |
| Cook | 2 |
| Blacksmith | 1 |
| Lead Miner's Wife | 1 |
| Shipwright Journeyman | 1 |
| General Labourer | 1 |
| Lodging House Keeper | 1 |
| Annuitant | 1 |
| Builder Employing 6 Men | 1 |
| Gunner & 10th Battr R A | 1 |
| Laundress | 1 |
| Market Gardener | 1 |
| Paper Hanger | 1 |
| Shipwright Dock Yard | 1 |
| Lace Mender | 1 |
| Lab | 1 |
| Surveyor | 1 |
| Washer Woman | 1 |
| Whalebone Cutter | 1 |
| Name | Census Frequency |
|---|---|
| John Erwin | 70 |
| Mary Erwin | 69 |
| William Erwin | 52 |
| Thomas Erwin | 48 |
| Elizabeth Erwin | 45 |
| George Erwin | 29 |
| Margaret Erwin | 27 |
| James Erwin | 24 |
| Hannah Erwin | 22 |
| Ann Erwin | 20 |
| Robert Erwin | 20 |
| Sarah Erwin | 19 |
| Annie Erwin | 18 |
| Jane Erwin | 16 |
| Joseph Erwin | 16 |
| Frederick Erwin | 13 |
| Isabella Erwin | 13 |
| Charles Erwin | 11 |
| Ellen Erwin | 11 |
| Clara Erwin | 10 |
| Julia Erwin | 10 |
| Henry Erwin | 9 |
| Alice Erwin | 8 |
| Samuel Erwin | 8 |
| Louisa Erwin | 7 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Irwin | 80% | 15,031 |
| 2 | Urwin | 80% | 8,613 |
| 3 | Rowan | 40% | 6,658 |
| 4 | Rowen | 40% | 2,842 |
| 5 | Orwin | 80% | 1,701 |
| 6 | Erwin | 100% | 919 |
| 7 | Rewin | 60% | 518 |
| 8 | Erwine | 83% | 470 |
| 9 | Rown | 40% | 255 |
| 10 | Irwine | 67% | 220 |
| 11 | Arwin | 80% | 140 |
| 12 | Rowne | 20% | 101 |
The surname Erwin is the 6th most popular variant of Irwin.