| Bedfordshire | 4 |
| Buckinghamshire | 1 |
| Berkshire | 6 |
| Cambridgeshire | 18 |
| Channel Islands | 6 |
| Cheshire | 0 |
| Cornwall | 2 |
| Cumberland | 1 |
| Derbyshire | 0 |
| Devon | 60 |
| Dorset | 31 |
| Durham | 13 |
| Essex | 6 |
| Gloucestershire | 98 |
| Hampshire | 45 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire (and Rutland) | 6 |
| Isle of Man | 0 |
| Kent | 19 |
| Lancashire | 15 |
| Leicestershire | 7 |
| Lincolnshire | 21 |
| London | 216 |
| Middlesex | 10 |
| Northumberland | 0 |
| Norfolk | 7 |
| Northamptonshire | 24 |
| Nottinghamshire | 6 |
| Oxfordshire | 2 |
| Rutland (and Huntingdonshire) | 6 |
| Shropshire | 6 |
| Suffolk | 9 |
| Somerset | 41 |
| Surrey | 15 |
| Sussex | 8 |
| Staffordshire | 28 |
| Warwickshire | 54 |
| Westmorland | 0 |
| Wiltshire | 139 |
| Worcestershire | 7 |
| Yorkshire | 41 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 8 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 15 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 214 |
| Agricultural Labourer | 18 |
| Labourer | 13 |
| Domestic Servant | 11 |
| Dress Maker | 11 |
| Carpenter | 8 |
| Laundress | 8 |
| Farm Labourer | 8 |
| Annuitant | 5 |
| Shoe Maker | 5 |
| General Labourer | 5 |
| General Servant | 4 |
| Machinist | 4 |
| Assistant | 4 |
| Grocer | 4 |
| Draper Assistant | 4 |
| Nurse Domestic | 4 |
| Bricklayer | 3 |
| Charwoman | 3 |
| Housemaid | 3 |
| Tailoress | 3 |
| General Servant Domestic | 3 |
| Farmers Son | 3 |
| Sawyer | 3 |
| Carter | 3 |
| Name | Census Frequency |
|---|---|
| Mary Sly | 399 |
| William Sly | 394 |
| Elizabeth Sly | 330 |
| John Sly | 317 |
| George Sly | 224 |
| Sarah Sly | 217 |
| James Sly | 188 |
| Thomas Sly | 157 |
| Jane Sly | 143 |
| Ann Sly | 140 |
| Henry Sly | 133 |
| Samuel Sly | 115 |
| Emma Sly | 113 |
| Edward Sly | 112 |
| Charles Sly | 108 |
| Ellen Sly | 107 |
| Richard Sly | 105 |
| Robert Sly | 103 |
| Annie Sly | 98 |
| Eliza Sly | 95 |
| Frederick Sly | 88 |
| Emily Sly | 82 |
| Joseph Sly | 77 |
| Alfred Sly | 74 |
| Hannah Sly | 73 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Sealey | 50% | 8,185 |
| 2 | Sly | 100% | 6,824 |
| 3 | Seeley | 50% | 5,593 |
| 4 | Sealy | 60% | 4,075 |
| 5 | Soley | 60% | 2,276 |
| 6 | Seely | 60% | 1,875 |
| 7 | Ousley | 50% | 1,036 |
| 8 | Asley | 60% | 811 |
| 9 | Isley | 60% | 765 |
| 10 | Slay | 75% | 638 |
| 11 | Osley | 60% | 604 |
| 12 | Easley | 50% | 597 |
| 13 | Ausley | 50% | 415 |
| 14 | Ouseley | 43% | 390 |
| 15 | Saley | 60% | 379 |
| 16 | Suley | 60% | 365 |
| 17 | Siley | 60% | 280 |
| 18 | Sooley | 50% | 251 |
| 19 | Sailey | 50% | 242 |
| 20 | Usley | 60% | 235 |
| 21 | Esley | 60% | 222 |
| 22 | Seley | 60% | 218 |
| 23 | Sligh | 40% | 203 |
| 24 | Sley | 75% | 172 |
| 25 | Easly | 60% | 164 |
| 26 | Souley | 50% | 151 |
| 27 | Siely | 60% | 118 |
| 28 | Saly | 75% | 110 |
| 29 | Slye | 75% | 103 |
The surname Sly is the 2nd most popular variant of Sealey.