| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 1 |
| Cambridgeshire | 10 |
| Channel Islands | 0 |
| Cheshire | 0 |
| Cornwall | 3 |
| Cumberland | 8 |
| Derbyshire | 0 |
| Devon | 0 |
| Dorset | 0 |
| Durham | 1 |
| Essex | 3 |
| Gloucestershire | 1 |
| Hampshire | 7 |
| Herefordshire | 0 |
| Hertfordshire | 2 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 8 |
| Leicestershire | 1 |
| Lincolnshire | 0 |
| London | 12 |
| Middlesex | 3 |
| Northumberland | 14 |
| Norfolk | 2 |
| Northamptonshire | 0 |
| Nottinghamshire | 9 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 8 |
| Warwickshire | 0 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 22 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 2 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 17 |
| Agricultural Labourer | 3 |
| Living On Own Means | 3 |
| Coal Miner | 2 |
| Builder | 2 |
| Hawker | 2 |
| General Labourer | 2 |
| Cook Domestic Servant | 1 |
| Apprentice To Gas & Water Fitter | 1 |
| Brewer | 1 |
| Captain In The Army Officer | 1 |
| Maker | 1 |
| Tea Maker | 1 |
| Painter | 1 |
| Coachaman | 1 |
| Locomotive Fitter | 1 |
| Boot Fitter | 1 |
| Cloth Weaver | 1 |
| Dry Salter | 1 |
| Farm Servant | 1 |
| Farmer | 1 |
| General Servant Domestic | 1 |
| Mechanic | 1 |
| Nurse | 1 |
| Pupil | 1 |
| Name | Census Frequency |
|---|---|
| William Jenison | 59 |
| Mary Jenison | 51 |
| John Jenison | 49 |
| Thomas Jenison | 32 |
| Sarah Jenison | 24 |
| George Jenison | 22 |
| Elizabeth Jenison | 21 |
| James Jenison | 21 |
| Charles Jenison | 17 |
| Ann Jenison | 12 |
| Joseph Jenison | 12 |
| Alice Jenison | 11 |
| Jane Jenison | 11 |
| Richard Jenison | 11 |
| Robert Jenison | 11 |
| Annie Jenison | 9 |
| Eliza Jenison | 9 |
| Henry Jenison | 8 |
| Charlotte Jenison | 6 |
| Edward Jenison | 6 |
| Ellen Jenison | 6 |
| Frederick Jenison | 6 |
| Martha Jenison | 6 |
| Samuel Jenison | 6 |
| Catherine Jenison | 5 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Janson | 71% | 5,757 |
| 2 | Jennison | 88% | 5,292 |
| 3 | Jonson | 71% | 3,650 |
| 4 | Jenson | 86% | 2,204 |
| 5 | Joinson | 57% | 1,934 |
| 6 | Jensen | 71% | 1,352 |
| 7 | Janeson | 71% | 866 |
| 8 | Jansen | 57% | 684 |
| 9 | Jenison | 100% | 648 |
| 10 | Jinson | 71% | 431 |
| 11 | Joneson | 71% | 393 |
| 12 | Jainson | 57% | 131 |
| 13 | Jenneson | 75% | 101 |
The surname Jenison is the 9th most popular variant of Janson.