| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 5 |
| Cheshire | 32 |
| Cornwall | 5 |
| Cumberland | 153 |
| Derbyshire | 5 |
| Devon | 97 |
| Dorset | 0 |
| Durham | 151 |
| Essex | 1 |
| Gloucestershire | 18 |
| Hampshire | 10 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 16 |
| Lancashire | 246 |
| Leicestershire | 8 |
| Lincolnshire | 0 |
| London | 140 |
| Middlesex | 10 |
| Northumberland | 94 |
| Norfolk | 14 |
| Northamptonshire | 5 |
| Nottinghamshire | 4 |
| Oxfordshire | 8 |
| Rutland | 0 |
| Shropshire | 7 |
| Suffolk | 0 |
| Somerset | 12 |
| Surrey | 15 |
| Sussex | 8 |
| Staffordshire | 19 |
| Warwickshire | 28 |
| Westmorland | 9 |
| Wiltshire | 12 |
| Worcestershire | 11 |
| Yorkshire | 107 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 1 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 27 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 7 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 219 |
| Agricultural Labourer | 27 |
| Dress Maker | 16 |
| House Servant | 14 |
| House Keeper | 12 |
| Labourer | 11 |
| Coal Miner | 10 |
| Carter | 9 |
| Farmer's Son | 9 |
| Servant | 9 |
| Farmer's Wife | 8 |
| Joiner | 6 |
| Laundress | 6 |
| Farmer's Daughter | 5 |
| General Servant | 5 |
| Shoe Maker | 5 |
| Carpenter | 5 |
| Cook | 5 |
| Farm Labourer | 5 |
| Landed Proprietor | 4 |
| Milliner | 4 |
| Tailor | 4 |
| Cooper | 4 |
| Coal Labourer | 4 |
| Iron Moulder | 4 |
| Name | Census Frequency |
|---|---|
| John Irwin | 1,162 |
| Mary Irwin | 1,137 |
| William Irwin | 966 |
| Elizabeth Irwin | 641 |
| Thomas Irwin | 557 |
| George Irwin | 515 |
| James Irwin | 513 |
| Margaret Irwin | 396 |
| Jane Irwin | 380 |
| Sarah Irwin | 374 |
| Ann Irwin | 342 |
| Robert Irwin | 297 |
| Joseph Irwin | 273 |
| Henry Irwin | 222 |
| Annie Irwin | 211 |
| Ellen Irwin | 191 |
| Charles Irwin | 177 |
| Alice Irwin | 165 |
| Eliza Irwin | 159 |
| Edward Irwin | 155 |
| Catherine Irwin | 149 |
| Isabella Irwin | 143 |
| Richard Irwin | 143 |
| Hannah Irwin | 130 |
| Emily Irwin | 122 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Irwin | 100% | 15,031 |
| 2 | Urwin | 80% | 8,613 |
| 3 | Rowan | 40% | 6,658 |
| 4 | Rowen | 40% | 2,842 |
| 5 | Orwin | 80% | 1,701 |
| 6 | Erwin | 80% | 919 |
| 7 | Rewin | 60% | 518 |
| 8 | Erwine | 67% | 470 |
| 9 | Rown | 40% | 255 |
| 10 | Irwine | 83% | 220 |
| 11 | Arwin | 80% | 140 |
| 12 | Rowne | 20% | 101 |
The surname Irwin is the most popular version of all its varients