| Bedfordshire | 8 |
| Buckinghamshire | 1 |
| Berkshire | 14 |
| Cambridgeshire | 0 |
| Channel Islands | 1 |
| Cheshire | 8 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 2 |
| Devon | 4 |
| Dorset | 13 |
| Durham | 1 |
| Essex | 19 |
| Gloucestershire | 93 |
| Hampshire | 121 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 14 |
| Lancashire | 25 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 45 |
| Middlesex | 12 |
| Northumberland | 0 |
| Norfolk | 9 |
| Northamptonshire | 0 |
| Nottinghamshire | 8 |
| Oxfordshire | 9 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 6 |
| Somerset | 70 |
| Surrey | 12 |
| Sussex | 1 |
| Staffordshire | 6 |
| Warwickshire | 11 |
| Westmorland | 0 |
| Wiltshire | 9 |
| Worcestershire | 2 |
| Yorkshire | 7 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 31 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 10 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| School | 62 |
| Private Means | 10 |
| None | 7 |
| Cook (domestic) | 4 |
| Dressmaker | 3 |
| Farmer | 3 |
| Coachman | 2 |
| House Maid (domestic) | 2 |
| House Painter | 2 |
| Stone Mason | 2 |
| No Occupation | 2 |
| Coffee Shop Proprietor Of Helper | 2 |
| At School | 2 |
| Domestic Servant | 2 |
| Labourer General | 2 |
| Laundress | 2 |
| Market Gardener | 2 |
| Plumber | 2 |
| Gardener Domestic | 2 |
| Postman | 2 |
| Engineer Turner | 2 |
| Assistant In The Business | 2 |
| Butcher | 2 |
| Green Grocer | 2 |
| Shorthand-typist | 2 |
| Name | Census Frequency |
|---|---|
| Mary Jefferis | 253 |
| William Jefferis | 226 |
| John Jefferis | 184 |
| Elizabeth Jefferis | 178 |
| Sarah Jefferis | 147 |
| George Jefferis | 146 |
| Thomas Jefferis | 128 |
| James Jefferis | 105 |
| Ann Jefferis | 93 |
| Henry Jefferis | 93 |
| Charles Jefferis | 83 |
| Jane Jefferis | 79 |
| Eliza Jefferis | 76 |
| Emma Jefferis | 59 |
| Samuel Jefferis | 54 |
| Joseph Jefferis | 49 |
| Edward Jefferis | 45 |
| Robert Jefferis | 45 |
| Alice Jefferis | 44 |
| Frederick Jefferis | 44 |
| Ellen Jefferis | 43 |
| Hannah Jefferis | 38 |
| Annie Jefferis | 36 |
| Edith Jefferis | 34 |
| Richard Jefferis | 34 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Jefferies | 89% | 25,339 |
| 2 | Jeffries | 75% | 22,848 |
| 3 | Jefferis | 100% | 3,716 |
| 4 | Jeffers | 88% | 2,853 |
| 5 | Jiffers | 75% | 415 |
| 6 | Jefferes | 88% | 303 |
| 7 | Jeffres | 75% | 288 |
| 8 | Jeffris | 88% | 237 |
| 9 | Jeffories | 78% | 190 |
| 10 | Jeffires | 75% | 184 |
| 11 | Jafferies | 78% | 162 |
| 12 | Jeffreis | 75% | 130 |
The surname Jefferis is the 3rd most popular variant of Jefferies.