| Bedfordshire | 4 |
| Buckinghamshire | 1 |
| Berkshire | 0 |
| Cambridgeshire | 1 |
| Channel Islands | 0 |
| Cheshire | 26 |
| Cornwall | 0 |
| Cumberland | 1 |
| Derbyshire | 1 |
| Devon | 2 |
| Dorset | 10 |
| Durham | 9 |
| Essex | 8 |
| Gloucestershire | 7 |
| Hampshire | 14 |
| Herefordshire | 3 |
| Hertfordshire | 3 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 26 |
| Lancashire | 33 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 43 |
| Middlesex | 7 |
| Northumberland | 1 |
| Norfolk | 1 |
| Northamptonshire | 0 |
| Nottinghamshire | 4 |
| Oxfordshire | 1 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 8 |
| Surrey | 7 |
| Sussex | 20 |
| Staffordshire | 21 |
| Warwickshire | 8 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 73 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 1 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 7 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 50 |
| Agricultural Labourer | 5 |
| General Labourer | 5 |
| General Servant | 5 |
| Coal Miner | 5 |
| Domestic Servant | 4 |
| Living On Her Own Means | 3 |
| Farmer | 3 |
| House Keeper | 3 |
| Dress Maker | 3 |
| Glass Bottler Maker | 3 |
| Warehouse Man | 2 |
| Painter | 2 |
| Grocer | 2 |
| Railway Engine Stoker | 2 |
| Paperhanger | 2 |
| Greengrocer | 2 |
| Lace Mender | 2 |
| General Domestic Servant | 2 |
| Laundress | 2 |
| Potter Warehouse Girl | 2 |
| Tailoress | 2 |
| Farm Assistant | 1 |
| Charwoman | 1 |
| Beer Seller | 1 |
| Name | Census Frequency |
|---|---|
| Mary Denn | 121 |
| John Denn | 108 |
| William Denn | 92 |
| Elizabeth Denn | 64 |
| George Denn | 58 |
| Sarah Denn | 51 |
| Thomas Denn | 51 |
| James Denn | 49 |
| Ann Denn | 48 |
| Charles Denn | 41 |
| Jane Denn | 31 |
| Emma Denn | 30 |
| Henry Denn | 28 |
| Annie Denn | 24 |
| Eliza Denn | 23 |
| Joseph Denn | 23 |
| Richard Denn | 23 |
| Ellen Denn | 20 |
| Edward Denn | 19 |
| Margaret Denn | 19 |
| Samuel Denn | 19 |
| Alice Denn | 17 |
| Hannah Denn | 16 |
| Martha Denn | 16 |
| Frances Denn | 15 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Dunn | 75% | 146,879 |
| 2 | Dann | 75% | 17,690 |
| 3 | Dunne | 60% | 6,121 |
| 4 | Denne | 80% | 3,224 |
| 5 | Donne | 60% | 2,234 |
| 6 | Denn | 100% | 1,645 |
| 7 | Deen | 75% | 1,115 |
| 8 | Dinan | 60% | 1,010 |
| 9 | Dinon | 60% | 963 |
| 10 | Dineen | 50% | 808 |
| 11 | Donn | 75% | 668 |
| 12 | Dinn | 75% | 630 |
| 13 | Dunean | 50% | 347 |
| 14 | Dennie | 67% | 312 |
| 15 | Den | 75% | 305 |
| 16 | Doonan | 50% | 258 |
| 17 | Danne | 60% | 203 |
| 18 | Duinn | 60% | 148 |
| 19 | Donan | 60% | 133 |
| 20 | Dinnie | 50% | 112 |
| 21 | Dinne | 60% | 105 |
The surname Denn is the 6th most popular variant of Dunn.