| Bedfordshire | 0 |
| Buckinghamshire | 1 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 0 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 1 |
| Dorset | 0 |
| Durham | 4 |
| Essex | 0 |
| Gloucestershire | 1 |
| Hampshire | 1 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 9 |
| Lancashire | 2 |
| Leicestershire | 0 |
| Lincolnshire | 52 |
| London | 64 |
| Middlesex | 10 |
| Northumberland | 0 |
| Norfolk | 13 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 1 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 3 |
| Staffordshire | 0 |
| Warwickshire | 7 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 1 |
| Yorkshire | 4 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 2 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Carman | 2 |
| Clerk | 2 |
| Office Cleaner | 2 |
| Professor Of Music | 2 |
| Solicitor Clerk | 2 |
| Farmer | 2 |
| Accountant Clerk | 1 |
| Artist | 1 |
| Caretaker | 1 |
| Cats Meat Dealer | 1 |
| Coffee House Keeper | 1 |
| Cook | 1 |
| Book Binder & Folder For Printer | 1 |
| Chemist & Druggist | 1 |
| Pianoforte Tuner | 1 |
| Gamekeepers Assistant | 1 |
| Retired Police Constable | 1 |
| Scholar | 1 |
| Woodman On Estate | 1 |
| Bank Manager | 1 |
| Machine Tool Maker | 1 |
| Saddler | 1 |
| Retired (vice Admiral Reg Army Officer | 1 |
| Certificated School Master | 1 |
| Mothers Help | 1 |
| Name | Census Frequency |
|---|---|
| William Blackbourne | 77 |
| Mary Blackbourne | 71 |
| John Blackbourne | 64 |
| George Blackbourne | 48 |
| Thomas Blackbourne | 43 |
| Elizabeth Blackbourne | 38 |
| Henry Blackbourne | 38 |
| Sarah Blackbourne | 32 |
| Joseph Blackbourne | 28 |
| Ellen Blackbourne | 24 |
| Jane Blackbourne | 24 |
| Ann Blackbourne | 22 |
| Emma Blackbourne | 22 |
| James Blackbourne | 18 |
| Annie Blackbourne | 16 |
| Eliza Blackbourne | 16 |
| Robert Blackbourne | 16 |
| Arthur Blackbourne | 15 |
| Edward Blackbourne | 15 |
| Alice Blackbourne | 13 |
| Charles Blackbourne | 12 |
| Martha Blackbourne | 12 |
| Walter Blackbourne | 12 |
| Emily Blackbourne | 10 |
| Florence Blackbourne | 10 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Blackburn | 82% | 77,165 |
| 2 | Blackbourn | 91% | 3,595 |
| 3 | Blackburne | 91% | 2,047 |
| 4 | Blackbourne | 100% | 1,126 |
| 5 | Blackborn | 82% | 348 |
| 6 | Balckburn | 64% | 164 |
| 7 | Blockburn | 73% | 109 |
The surname Blackbourne is the 4th most popular variant of Blackburn.