| Bedfordshire | 1 |
| Buckinghamshire | 37 |
| Berkshire | 125 |
| Cambridgeshire | 8 |
| Channel Islands | 1 |
| Cheshire | 1 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 4 |
| Devon | 0 |
| Dorset | 2 |
| Durham | 0 |
| Essex | 23 |
| Gloucestershire | 0 |
| Hampshire | 25 |
| Herefordshire | 3 |
| Hertfordshire | 0 |
| Huntingdonshire (and Rutland) | 5 |
| Isle of Man | 0 |
| Kent | 11 |
| Lancashire | 17 |
| Leicestershire | 0 |
| Lincolnshire | 12 |
| London | 179 |
| Middlesex | 86 |
| Northumberland | 1 |
| Norfolk | 16 |
| Northamptonshire | 0 |
| Nottinghamshire | 9 |
| Oxfordshire | 24 |
| Rutland (and Huntingdonshire) | 5 |
| Shropshire | 0 |
| Suffolk | 7 |
| Somerset | 0 |
| Surrey | 22 |
| Sussex | 4 |
| Staffordshire | 9 |
| Warwickshire | 11 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 7 |
| Yorkshire | 24 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 1 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 18 |
| General Labourer | 17 |
| Charwoman | 11 |
| Domestic Servant | 8 |
| Laundress Wash | 7 |
| Cook Domestic | 6 |
| Dress Maker | 5 |
| Gardener | 4 |
| Brick Layer | 3 |
| Bricklayer | 3 |
| General Domestic Servant | 3 |
| House Keeper | 3 |
| Housemaid Domestic | 3 |
| Bricklayer Labourer | 3 |
| Agricultural Labourer | 3 |
| Cowman | 3 |
| House Maid Domestic | 3 |
| Living On Own Means | 3 |
| Draper's Assistant | 3 |
| Worsted Winder | 2 |
| Gardener Domestic | 2 |
| Carter On Farm | 2 |
| Fish Monger's Assistant | 2 |
| General Servant Domestic | 2 |
| Nurse Domestic | 2 |
| Name | Census Frequency |
|---|---|
| William Blay | 273 |
| Mary Blay | 230 |
| Thomas Blay | 208 |
| John Blay | 194 |
| Elizabeth Blay | 178 |
| James Blay | 171 |
| George Blay | 167 |
| Sarah Blay | 163 |
| Charles Blay | 102 |
| Frederick Blay | 91 |
| Henry Blay | 89 |
| Ann Blay | 82 |
| Richard Blay | 77 |
| Arthur Blay | 72 |
| Alice Blay | 70 |
| Emma Blay | 70 |
| Eliza Blay | 61 |
| Annie Blay | 59 |
| Ellen Blay | 53 |
| Jane Blay | 53 |
| Emily Blay | 52 |
| Joseph Blay | 45 |
| Caroline Blay | 42 |
| Hannah Blay | 41 |
| Louisa Blay | 40 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Bailey | 50% | 319,576 |
| 2 | Baily | 40% | 14,135 |
| 3 | Beeley | 50% | 4,485 |
| 4 | Blay | 100% | 4,268 |
| 5 | Baley | 60% | 4,170 |
| 6 | Bealey | 50% | 2,030 |
| 7 | Bly | 75% | 1,725 |
| 8 | Buley | 60% | 1,623 |
| 9 | Booley | 50% | 1,524 |
| 10 | Boley | 60% | 1,523 |
| 11 | Bloye | 60% | 1,424 |
| 12 | Biley | 60% | 1,387 |
| 13 | Abley | 60% | 1,329 |
| 14 | Bloy | 75% | 1,093 |
| 15 | Baly | 50% | 988 |
| 16 | Bealy | 60% | 397 |
| 17 | Boiley | 50% | 392 |
| 18 | Bloyee | 50% | 316 |
| 19 | Beely | 40% | 302 |
| 20 | Bleay | 80% | 296 |
| 21 | Bouley | 50% | 250 |
| 22 | Beley | 60% | 229 |
| 23 | Builey | 50% | 192 |
| 24 | Bailay | 67% | 183 |
| 25 | Beiley | 50% | 163 |
| 26 | Bley | 75% | 147 |
| 27 | Bailye | 33% | 146 |
| 28 | Ebley | 60% | 112 |
The surname Blay is the 4th most popular variant of Bailey.