| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 2 |
| Cheshire | 0 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 2 |
| Dorset | 0 |
| Durham | 3 |
| Essex | 0 |
| Gloucestershire | 2 |
| Hampshire | 1 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 7 |
| Kent | 4 |
| Lancashire | 22 |
| Leicestershire | 0 |
| Lincolnshire | 2 |
| London | 6 |
| Middlesex | 1 |
| Northumberland | 2 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 0 |
| Warwickshire | 0 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 0 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 9 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 7 |
| Labourer | 4 |
| House Servant | 3 |
| Emigrant | 3 |
| Fruiterer | 2 |
| Coal Miner | 2 |
| Agricultural Labourer | 2 |
| Gardener Servant | 1 |
| Hat Trimmer | 1 |
| At Home | 1 |
| Fisher Man | 1 |
| Fisher Man's Wife | 1 |
| Cook & Confectioner | 1 |
| Dress Maker | 1 |
| Joiner | 1 |
| Pauper | 1 |
| Plasterer | 1 |
| Grazier | 1 |
| Privet 5th Of Foot Chelsea | 1 |
| Annuitant | 1 |
| Needle Woman | 1 |
| Needlewoman | 1 |
| Agricultural Labourer Wife | 1 |
| Charwoman | 1 |
| Engine Builder | 1 |
| Name | Census Frequency |
|---|---|
| Mary Couley | 55 |
| John Couley | 33 |
| James Couley | 29 |
| Elizabeth Couley | 28 |
| Thomas Couley | 25 |
| William Couley | 24 |
| Ann Couley | 21 |
| George Couley | 14 |
| Margaret Couley | 14 |
| Sarah Couley | 13 |
| Ellen Couley | 10 |
| Jane Couley | 10 |
| Robert Couley | 10 |
| Annie Couley | 9 |
| Catherine Couley | 8 |
| Charles Couley | 8 |
| Patrick Couley | 8 |
| Edward Couley | 7 |
| Henry Couley | 7 |
| Alfred Couley | 6 |
| Alice Couley | 6 |
| Frederick Couley | 6 |
| Martha Couley | 6 |
| Joseph Couley | 5 |
| Michael Couley | 5 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Clay | 50% | 46,095 |
| 2 | Coley | 83% | 14,403 |
| 3 | Caley | 67% | 8,870 |
| 4 | Cooley | 83% | 6,530 |
| 5 | Claye | 33% | 618 |
| 6 | Couley | 100% | 544 |
| 7 | Culy | 67% | 451 |
| 8 | Coaley | 83% | 443 |
| 9 | Cley | 67% | 335 |
| 10 | Culey | 83% | 307 |
| 11 | Cauley | 83% | 293 |
| 12 | Ceely | 50% | 187 |
| 13 | Caly | 50% | 177 |
| 14 | Cloy | 50% | 177 |
| 15 | Coly | 67% | 162 |
| 16 | Coiley | 83% | 153 |
| 17 | Cooly | 67% | 147 |
| 18 | Cailey | 67% | 144 |
| 19 | Ecley | 50% | 116 |
The surname Couley is the 6th most popular variant of Clay.