| Bedfordshire | 1 |
| Buckinghamshire | 4 |
| Berkshire | 19 |
| Cambridgeshire | 2 |
| Channel Islands | 4 |
| Cheshire | 107 |
| Cornwall | 19 |
| Cumberland | 93 |
| Derbyshire | 19 |
| Devon | 155 |
| Dorset | 21 |
| Durham | 441 |
| Essex | 61 |
| Gloucestershire | 65 |
| Hampshire | 46 |
| Herefordshire | 1 |
| Hertfordshire | 9 |
| Huntingdonshire (and Rutland) | 1 |
| Isle of Man | 3 |
| Kent | 21 |
| Lancashire | 626 |
| Leicestershire | 16 |
| Lincolnshire | 4 |
| London | 380 |
| Middlesex | 112 |
| Northumberland | 265 |
| Norfolk | 6 |
| Northamptonshire | 4 |
| Nottinghamshire | 14 |
| Oxfordshire | 18 |
| Rutland (and Huntingdonshire) | 1 |
| Shropshire | 5 |
| Suffolk | 3 |
| Somerset | 24 |
| Surrey | 84 |
| Sussex | 21 |
| Staffordshire | 28 |
| Warwickshire | 46 |
| Westmorland | 15 |
| Wiltshire | 4 |
| Worcestershire | 23 |
| Yorkshire | 253 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 68 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 14 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| School | 293 |
| Private Means | 45 |
| General Labourer | 30 |
| Coal Miner Hewer | 20 |
| At School | 17 |
| Dressmaker | 16 |
| General Servant (domestic) | 15 |
| Labourer | 15 |
| Clerk | 14 |
| None | 14 |
| Student | 13 |
| Laundress | 11 |
| Domestic Servant | 11 |
| Cotton Weaver | 11 |
| Assisting In Business | 10 |
| House Keeper | 9 |
| Housekeeper | 9 |
| Railway Clerk | 9 |
| General Servant Domestic | 8 |
| Postman | 8 |
| Home | 7 |
| Shop Assistant | 7 |
| Soldier | 7 |
| Charwoman | 6 |
| Cook (domestic) | 6 |
| 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