| Bedfordshire | 55 |
| Buckinghamshire | 27 |
| Berkshire | 5 |
| Cambridgeshire | 68 |
| Channel Islands | 15 |
| Cheshire | 11 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 7 |
| Dorset | 0 |
| Durham | 4 |
| Essex | 161 |
| Gloucestershire | 20 |
| Hampshire | 9 |
| Herefordshire | 24 |
| Hertfordshire | 50 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 84 |
| Lancashire | 17 |
| Leicestershire | 7 |
| Lincolnshire | 36 |
| London | 364 |
| Middlesex | 33 |
| Northumberland | 0 |
| Norfolk | 254 |
| Northamptonshire | 37 |
| Nottinghamshire | 5 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 68 |
| Suffolk | 280 |
| Somerset | 0 |
| Surrey | 62 |
| Sussex | 7 |
| Staffordshire | 101 |
| Warwickshire | 29 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 17 |
| Yorkshire | 9 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 1 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 6 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 217 |
| Agricultural Labourer | 111 |
| House Servant | 33 |
| Labourer | 28 |
| Farm Labourer | 21 |
| Straw Plaiter | 18 |
| At Home | 18 |
| Shoe Maker | 17 |
| Dress Maker | 16 |
| Servant | 13 |
| Coal Miner | 13 |
| Tailor | 12 |
| Carpenter | 10 |
| Annuitant | 9 |
| Agricultural Labourer Wife | 9 |
| Plaiter | 8 |
| General Servant | 7 |
| Scholar At Home | 7 |
| House Keeper | 7 |
| Laundress | 7 |
| Cook | 7 |
| Blacksmith | 6 |
| Silk Weaver | 6 |
| Errand Boy | 5 |
| Agricultural Labourer Son | 5 |
| Name | Census Frequency |
|---|---|
| William Fenn | 1,319 |
| Mary Fenn | 1,136 |
| John Fenn | 1,087 |
| Elizabeth Fenn | 778 |
| Sarah Fenn | 706 |
| George Fenn | 681 |
| Thomas Fenn | 669 |
| James Fenn | 649 |
| Charles Fenn | 534 |
| Robert Fenn | 379 |
| Henry Fenn | 356 |
| Alice Fenn | 350 |
| Ann Fenn | 350 |
| Eliza Fenn | 344 |
| Edward Fenn | 319 |
| Emma Fenn | 296 |
| Ellen Fenn | 295 |
| Jane Fenn | 282 |
| Annie Fenn | 271 |
| Joseph Fenn | 271 |
| Alfred Fenn | 257 |
| Frederick Fenn | 242 |
| Emily Fenn | 241 |
| Arthur Fenn | 240 |
| Louisa Fenn | 197 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Fenn | 100% | 20,947 |
| 2 | Finn | 75% | 15,615 |
| 3 | Fann | 75% | 2,164 |
| 4 | Finan | 60% | 1,083 |
| 5 | Fenna | 80% | 889 |
| 6 | Finnie | 50% | 865 |
| 7 | Fen | 75% | 460 |
| 8 | Funn | 75% | 460 |
| 9 | Fenan | 80% | 264 |
| 10 | Phenn | 60% | 198 |
| 11 | Fon | 50% | 191 |
| 12 | Feenan | 67% | 174 |
| 13 | Fanon | 60% | 149 |
| 14 | Feen | 75% | 127 |
The surname Fenn is the most popular version of all its varients