| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 2 |
| Cornwall | 11 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 7 |
| Dorset | 0 |
| Durham | 1 |
| Essex | 0 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 0 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 0 |
| Middlesex | 0 |
| Northumberland | 0 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 1 |
| 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 | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 6 |
| Labourer Engine Works | 1 |
| Fisherman | 1 |
| Surface Labourer In A Mine | 1 |
| Tin Miner | 1 |
| Ship Amourer R N | 1 |
| Coke Lab | 1 |
| Name | Census Frequency |
|---|---|
| John Cosin | 8 |
| Mary Cosin | 7 |
| Thomas Cosin | 7 |
| William Cosin | 7 |
| Charles Cosin | 5 |
| Elizabeth Cosin | 4 |
| James Cosin | 4 |
| Jane Cosin | 4 |
| Joseph Cosin | 4 |
| Ann Cosin | 3 |
| Benjamin Cosin | 3 |
| Sarah Cosin | 3 |
| Catherine Cosin | 2 |
| Emily Cosin | 2 |
| Emma Cosin | 2 |
| George Cosin | 2 |
| Henry Cosin | 2 |
| Matilda Cosin | 2 |
| Robert Cosin | 2 |
| Annie Cosin | 1 |
| Austin Cosin | 1 |
| Befril Cosin | 1 |
| Bertha Cosin | 1 |
| Cyril Cosin | 1 |
| David Cosin | 1 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Cousin | 83% | 4,986 |
| 2 | Cason | 60% | 3,407 |
| 3 | Causon | 50% | 589 |
| 4 | Cousen | 67% | 520 |
| 5 | Cusin | 80% | 183 |
| 6 | Couson | 67% | 177 |
| 7 | Cousine | 71% | 149 |
| 8 | Iacson | 33% | 148 |
| 9 | Coson | 80% | 138 |
| 10 | Acason | 50% | 118 |
| 11 | Cosin | 100% | 110 |
The surname Cosin is the 11th most popular variant of Cousin.