| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 1 |
| Cheshire | 16 |
| Cornwall | 9 |
| Cumberland | 0 |
| Derbyshire | 1 |
| Devon | 1 |
| Dorset | 0 |
| Durham | 7 |
| Essex | 0 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 11 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 3 |
| Middlesex | 0 |
| Northumberland | 0 |
| Norfolk | 1 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 2 |
| Somerset | 1 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 6 |
| Warwickshire | 5 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 9 |
| 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 |
|---|---|
| Scholar | 15 |
| General Labourer | 9 |
| Brick Yard Labourer | 2 |
| House Keeper | 2 |
| Chairman | 2 |
| Tailor | 1 |
| Boiler Shop Labourer | 1 |
| General Servant Domestic | 1 |
| Housemaid Domestic | 1 |
| Waiter | 1 |
| Farm Labourer | 1 |
| Servant Domestic | 1 |
| Apprentice Boot Maker | 1 |
| Card Room Hand Cotton | 1 |
| Charwoman | 1 |
| Stoker At Water Works | 1 |
| Washing Liquor Hawker | 1 |
| Iron Mongers Assistant | 1 |
| Domestic Servant House Maid | 1 |
| Bricklayer Labourer | 1 |
| Domestic Servant | 1 |
| Iron Moulder Apprentice | 1 |
| Slated Building Trade | 1 |
| Slater | 1 |
| Worsted Spinner | 1 |
| Name | Census Frequency |
|---|---|
| John Fenna | 71 |
| Mary Fenna | 59 |
| William Fenna | 56 |
| Elizabeth Fenna | 46 |
| Thomas Fenna | 43 |
| Sarah Fenna | 31 |
| George Fenna | 27 |
| Joseph Fenna | 25 |
| Edward Fenna | 23 |
| Ellen Fenna | 23 |
| James Fenna | 22 |
| Ann Fenna | 18 |
| Robert Fenna | 18 |
| Samuel Fenna | 18 |
| Alice Fenna | 17 |
| Henry Fenna | 16 |
| Annie Fenna | 14 |
| Charles Fenna | 13 |
| Arthur Fenna | 12 |
| Emma Fenna | 12 |
| Hannah Fenna | 11 |
| Margaret Fenna | 11 |
| Martha Fenna | 11 |
| Eliza Fenna | 9 |
| Ernest Fenna | 9 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Fenn | 80% | 20,947 |
| 2 | Finn | 60% | 15,615 |
| 3 | Fann | 60% | 2,164 |
| 4 | Finan | 40% | 1,083 |
| 5 | Fenna | 100% | 889 |
| 6 | Finnie | 50% | 865 |
| 7 | Funn | 60% | 460 |
| 8 | Fenan | 60% | 264 |
| 9 | Feenan | 67% | 174 |
| 10 | Fanon | 40% | 149 |
The surname Fenna is the 5th most popular variant of Fenn.