| Bedfordshire | 0 |
| Buckinghamshire | 1 |
| Berkshire | 5 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 4 |
| Cornwall | 0 |
| Cumberland | 5 |
| Derbyshire | 2 |
| Devon | 1 |
| Dorset | 1 |
| Durham | 23 |
| Essex | 15 |
| Gloucestershire | 1 |
| Hampshire | 3 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 29 |
| Lancashire | 59 |
| Leicestershire | 7 |
| Lincolnshire | 1 |
| London | 55 |
| Middlesex | 6 |
| Northumberland | 22 |
| Norfolk | 10 |
| Northamptonshire | 3 |
| Nottinghamshire | 1 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 3 |
| Surrey | 6 |
| Sussex | 9 |
| Staffordshire | 20 |
| Warwickshire | 32 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 3 |
| Yorkshire | 43 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 11 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 8 |
| Living On Own Means | 5 |
| Steward | 5 |
| Ordinary Seaman | 4 |
| A B Seaman | 4 |
| Dress Maker | 3 |
| Electrical Engineer | 3 |
| House Keeper | 3 |
| Master | 3 |
| Butcher | 3 |
| Engineer | 2 |
| Boarding House Keeper | 2 |
| Cotton Weaver | 2 |
| Dock Labourer | 2 |
| Fireman | 2 |
| Carpenter | 2 |
| Gardener Not Domestic | 2 |
| Grocer | 2 |
| Laundress Wash | 2 |
| Blacksmith | 2 |
| Griswold Machinist Hosiery | 2 |
| Iron Works Labourer | 1 |
| Maker Tailor | 1 |
| Charwoman | 1 |
| General Labourer | 1 |
| Name | Census Frequency |
|---|---|
| William Jenson | 147 |
| John Jenson | 118 |
| Mary Jenson | 105 |
| James Jenson | 75 |
| Elizabeth Jenson | 73 |
| George Jenson | 71 |
| Thomas Jenson | 69 |
| Sarah Jenson | 47 |
| Frederick Jenson | 41 |
| Ann Jenson | 40 |
| Jane Jenson | 40 |
| Hannah Jenson | 35 |
| Henry Jenson | 34 |
| Margaret Jenson | 33 |
| Alice Jenson | 29 |
| Emily Jenson | 28 |
| Annie Jenson | 26 |
| Robert Jenson | 25 |
| Caroline Jenson | 23 |
| Eliza Jenson | 23 |
| Charles Jenson | 22 |
| Ellen Jenson | 22 |
| Emma Jenson | 21 |
| Walter Jenson | 20 |
| Harriet Jenson | 19 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Janson | 83% | 5,757 |
| 2 | Jonson | 83% | 3,650 |
| 3 | Jenson | 100% | 2,204 |
| 4 | Joinson | 71% | 1,934 |
| 5 | Jensen | 83% | 1,352 |
| 6 | Janeson | 71% | 866 |
| 7 | Jansen | 67% | 684 |
| 8 | Jenison | 86% | 648 |
| 9 | Jinson | 83% | 431 |
| 10 | Joneson | 71% | 393 |
| 11 | Jainson | 71% | 131 |
| 12 | Genson | 83% | 114 |
The surname Jenson is the 3rd most popular variant of Janson.