| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 12 |
| Channel Islands | 1 |
| Cheshire | 0 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 1 |
| Dorset | 0 |
| Durham | 0 |
| Essex | 3 |
| Gloucestershire | 2 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 2 |
| Leicestershire | 3 |
| Lincolnshire | 2 |
| London | 1 |
| Middlesex | 0 |
| Northumberland | 0 |
| Norfolk | 1 |
| Northamptonshire | 4 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 1 |
| Suffolk | 0 |
| Somerset | 1 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 0 |
| Warwickshire | 6 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 1 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Female Servant | 5 |
| Agricultural Labourer | 3 |
| Labourer | 1 |
| Tailor | 1 |
| Independent | 1 |
| Stock ? | 1 |
| Stocking Man | 1 |
| Horse Break | 1 |
| Servant | 1 |
| Male Servant | 1 |
| Carpenter | 1 |
| Butcher | 1 |
| Cord Apprentice | 1 |
| Name | Census Frequency |
|---|---|
| John Fen | 35 |
| Mary Fen | 35 |
| Elizabeth Fen | 31 |
| William Fen | 30 |
| George Fen | 19 |
| Ann Fen | 15 |
| Jane Fen | 14 |
| Sarah Fen | 14 |
| Charles Fen | 12 |
| Edward Fen | 9 |
| Eliza Fen | 8 |
| Francis Fen | 8 |
| Henry Fen | 8 |
| James Fen | 8 |
| Robert Fen | 8 |
| Thomas Fen | 8 |
| Emma Fen | 6 |
| Philip Fen | 6 |
| Arthur Fen | 5 |
| Esther Fen | 5 |
| Samuel Fen | 5 |
| Alice Fen | 4 |
| Amice Fen | 4 |
| Fanny Fen | 4 |
| Hannah Fen | 4 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Fenn | 75% | 20,947 |
| 2 | Fane | 50% | 2,817 |
| 3 | Fone | 50% | 2,605 |
| 4 | Fine | 50% | 969 |
| 5 | Foan | 50% | 579 |
| 6 | Fan | 67% | 539 |
| 7 | Fen | 100% | 460 |
| 8 | Fain | 50% | 390 |
| 9 | Fean | 75% | 314 |
| 10 | Fin | 67% | 228 |
| 11 | Phenn | 40% | 198 |
| 12 | Fun | 67% | 195 |
| 13 | Fon | 67% | 191 |
| 14 | Feen | 75% | 127 |
The surname Fen is the 7th most popular variant of Fenn.