| Bedfordshire | 8 |
| Buckinghamshire | 7 |
| Berkshire | 13 |
| Cambridgeshire | 1 |
| Channel Islands | 0 |
| Cheshire | 47 |
| Cornwall | 14 |
| Cumberland | 9 |
| Derbyshire | 9 |
| Devon | 16 |
| Dorset | 17 |
| Durham | 104 |
| Essex | 17 |
| Gloucestershire | 90 |
| Hampshire | 28 |
| Herefordshire | 70 |
| Hertfordshire | 4 |
| Huntingdonshire (and Rutland) | 4 |
| Isle of Man | 2 |
| Kent | 35 |
| Lancashire | 257 |
| Leicestershire | 1 |
| Lincolnshire | 3 |
| London | 230 |
| Middlesex | 65 |
| Northumberland | 28 |
| Norfolk | 0 |
| Northamptonshire | 1 |
| Nottinghamshire | 1 |
| Oxfordshire | 0 |
| Rutland (and Huntingdonshire) | 4 |
| Shropshire | 20 |
| Suffolk | 2 |
| Somerset | 43 |
| Surrey | 39 |
| Sussex | 24 |
| Staffordshire | 183 |
| Warwickshire | 104 |
| Westmorland | 0 |
| Wiltshire | 16 |
| Worcestershire | 46 |
| Yorkshire | 126 |
| Anglesey | 0 |
| Brecknockshire | 50 |
| Cardiganshire | 48 |
| Carnarvonshire | 2 |
| Carmarthenshire | 180 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 2,306 |
| Merionethshire | 3 |
| Montgomeryshire | 19 |
| Monmouthshire | 485 |
| Pembrokeshire | 413 |
| Radnorshire | 1 |
| Profession | Census Frequency |
|---|---|
| Farmer | 71 |
| Coal Miner Hewer | 70 |
| Coal Hewer | 64 |
| Dress Maker | 51 |
| General Labourer | 45 |
| Living On Own Means | 43 |
| General Servant Domestic | 34 |
| Coal Miner C Hewer | 32 |
| Scholar | 29 |
| Coal Miner | 26 |
| Cook Domestic | 16 |
| Housemaid Domestic | 15 |
| Domestic Servant | 14 |
| Dressmaker | 14 |
| Stone Mason | 14 |
| Tailor | 14 |
| Blacksmith | 13 |
| Carpenter | 13 |
| Charwoman | 13 |
| Coal Miner & Hewer | 13 |
| School Teacher | 12 |
| Grocer | 11 |
| House Keeper Domestic | 10 |
| In School | 10 |
| Servant Domestic | 9 |
| Name | Census Frequency |
|---|---|
| Mary Llewellyn | 2,123 |
| William Llewellyn | 1,903 |
| Thomas Llewellyn | 1,663 |
| John Llewellyn | 1,594 |
| Elizabeth Llewellyn | 1,248 |
| David Llewellyn | 1,053 |
| Margaret Llewellyn | 769 |
| Sarah Llewellyn | 741 |
| Ann Llewellyn | 681 |
| George Llewellyn | 523 |
| James Llewellyn | 522 |
| Jane Llewellyn | 476 |
| Catherine Llewellyn | 420 |
| Evan Llewellyn | 377 |
| Annie Llewellyn | 325 |
| Martha Llewellyn | 300 |
| Henry Llewellyn | 263 |
| Hannah Llewellyn | 260 |
| Edward Llewellyn | 252 |
| Charles Llewellyn | 245 |
| Edith Llewellyn | 235 |
| Eliza Llewellyn | 233 |
| Richard Llewellyn | 233 |
| Arthur Llewellyn | 198 |
| Alice Llewellyn | 195 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Llewellyn | 100% | 27,005 |
| 2 | Llewelyn | 89% | 5,751 |
| 3 | Lewellyn | 89% | 1,769 |
| 4 | Llewellen | 89% | 738 |
| 5 | Lewelyn | 78% | 718 |
| 6 | Llewllyn | 89% | 584 |
| 7 | Lewellen | 78% | 432 |
| 8 | Llwellyn | 89% | 327 |
| 9 | Llawellyn | 89% | 157 |
The surname Llewellyn is the most popular version of all its varients