| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 2 |
| Cambridgeshire | 1 |
| Channel Islands | 18 |
| Cheshire | 1 |
| Cornwall | 10 |
| Cumberland | 0 |
| Derbyshire | 1 |
| Devon | 8 |
| Dorset | 0 |
| Durham | 0 |
| Essex | 8 |
| Gloucestershire | 0 |
| Hampshire | 10 |
| Herefordshire | 1 |
| Hertfordshire | 4 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 6 |
| Leicestershire | 2 |
| Lincolnshire | 1 |
| London | 46 |
| Middlesex | 1 |
| Northumberland | 0 |
| Norfolk | 4 |
| Northamptonshire | 0 |
| Nottinghamshire | 2 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 4 |
| Surrey | 4 |
| Sussex | 4 |
| Staffordshire | 5 |
| Warwickshire | 6 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 17 |
| Anglesey | 0 |
| Brecknockshire | 1 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 7 |
| Denbighshire | 0 |
| Flintshire | 6 |
| Glamorgan | 15 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 35 |
| Coal Miner | 5 |
| Farm Servant | 4 |
| General Servant | 3 |
| Tailor | 3 |
| Farm Servant Indoor | 3 |
| General Labourer | 3 |
| Worsted Weaver | 3 |
| Domestic Servant | 3 |
| Tin Plate Operative | 3 |
| Cook Domestic Servant | 2 |
| Labourer | 2 |
| No Occupation | 2 |
| Spinner Worsted Mill | 2 |
| None | 2 |
| Professor Of French | 2 |
| Agricultural Labourer | 2 |
| Lodging House Keeper | 2 |
| Charwoman | 2 |
| Farm Labourer | 2 |
| Coal Miner's Wife | 2 |
| Brick Layers Labourer | 2 |
| House Maid Domestic Servant | 1 |
| Check Clerk - Colliery | 1 |
| Tin Miner | 1 |
| Name | Census Frequency |
|---|---|
| Mary Denis | 130 |
| John Denis | 127 |
| William Denis | 109 |
| Elizabeth Denis | 78 |
| Sarah Denis | 76 |
| James Denis | 70 |
| Thomas Denis | 63 |
| George Denis | 47 |
| Ann Denis | 41 |
| Edward Denis | 33 |
| Joseph Denis | 32 |
| Jane Denis | 30 |
| Robert Denis | 29 |
| Henry Denis | 28 |
| Ellen Denis | 25 |
| Charles Denis | 24 |
| Emma Denis | 24 |
| Samuel Denis | 24 |
| Hannah Denis | 23 |
| Margaret Denis | 21 |
| Martha Denis | 20 |
| David Denis | 18 |
| Alice Denis | 17 |
| Charlotte Denis | 17 |
| Louisa Denis | 17 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Dennis | 83% | 63,648 |
| 2 | Daines | 50% | 6,892 |
| 3 | Deans | 60% | 6,868 |
| 4 | Dines | 60% | 6,591 |
| 5 | Danes | 60% | 5,886 |
| 6 | Dains | 40% | 2,062 |
| 7 | Denis | 100% | 1,916 |
| 8 | Dansie | 50% | 1,112 |
| 9 | Danies | 67% | 1,075 |
| 10 | Deanes | 67% | 867 |
| 11 | Dones | 60% | 793 |
| 12 | Edens | 60% | 660 |
| 13 | Danis | 80% | 515 |
| 14 | Dans | 60% | 483 |
| 15 | Duns | 60% | 426 |
| 16 | Deens | 60% | 367 |
| 17 | Idiens | 50% | 333 |
| 18 | Dennys | 67% | 209 |
| 19 | Dens | 80% | 181 |
| 20 | Douns | 40% | 155 |
| 21 | Dounes | 50% | 144 |
| 22 | Adans | 40% | 132 |
| 23 | Dunes | 60% | 124 |
| 24 | Danse | 40% | 100 |
The surname Denis is the 7th most popular variant of Dennis.