| Bedfordshire | 2 |
| Buckinghamshire | 1 |
| Berkshire | 0 |
| Cambridgeshire | 5 |
| Channel Islands | 8 |
| Cheshire | 12 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 4 |
| Devon | 11 |
| Dorset | 2 |
| Durham | 12 |
| Essex | 15 |
| Gloucestershire | 4 |
| Hampshire | 4 |
| Herefordshire | 0 |
| Hertfordshire | 2 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 2 |
| Lancashire | 18 |
| Leicestershire | 1 |
| Lincolnshire | 7 |
| London | 57 |
| Middlesex | 2 |
| Northumberland | 5 |
| Norfolk | 1 |
| Northamptonshire | 1 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 4 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 7 |
| Sussex | 3 |
| Staffordshire | 0 |
| Warwickshire | 8 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 12 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 2 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 5 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Dress Maker | 9 |
| Living On Own Means | 4 |
| School | 3 |
| Carman | 2 |
| Dock Labourer | 2 |
| General Labourer | 2 |
| General Servant Domestic | 2 |
| Living On Income | 2 |
| Nurse Teacher | 2 |
| Painter | 2 |
| Cotton Weaver | 2 |
| Attending School | 1 |
| Basket Maker | 1 |
| Cow Man | 1 |
| Gas Maker | 1 |
| Heald Rivetter | 1 |
| Ladies Maid Domestic | 1 |
| Lamp Lighter | 1 |
| Licensed Hawker | 1 |
| Ship Driver | 1 |
| Textile Machine Fitter | 1 |
| Cook Domestic | 1 |
| Gunner Royal Garrison Artillery | 1 |
| Farm Labourer Agricultural Labourer | 1 |
| Private Soldier Secretary | 1 |
| Name | Census Frequency |
|---|---|
| William Clair | 95 |
| Mary Clair | 89 |
| John Clair | 81 |
| Elizabeth Clair | 70 |
| James Clair | 54 |
| George Clair | 52 |
| Sarah Clair | 47 |
| Thomas Clair | 40 |
| Henry Clair | 36 |
| Charles Clair | 35 |
| Margaret Clair | 35 |
| Jane Clair | 34 |
| Ann Clair | 28 |
| Ellen Clair | 25 |
| Emma Clair | 25 |
| Eliza Clair | 23 |
| Annie Clair | 22 |
| Emily Clair | 21 |
| Joseph Clair | 21 |
| Samuel Clair | 21 |
| Alice Clair | 20 |
| Caroline Clair | 17 |
| Edward Clair | 17 |
| Robert Clair | 15 |
| Hannah Clair | 14 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Clare | 60% | 33,757 |
| 2 | Clear | 60% | 5,193 |
| 3 | Cleare | 50% | 2,079 |
| 4 | Clair | 100% | 1,531 |
| 5 | Clara | 60% | 1,062 |
| 6 | Cooler | 33% | 684 |
| 7 | Cluer | 60% | 630 |
| 8 | Coler | 40% | 422 |
| 9 | Colier | 50% | 397 |
| 10 | Clore | 40% | 266 |
| 11 | Cleaer | 67% | 245 |
| 12 | Clure | 40% | 231 |
| 13 | Clere | 40% | 202 |
| 14 | Caler | 40% | 172 |
| 15 | Claire | 83% | 161 |
| 16 | Clar | 80% | 131 |
| 17 | Cleere | 50% | 127 |
The surname Clair is the 4th most popular variant of Clare.