| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 0 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 0 |
| Dorset | 0 |
| Durham | 0 |
| Essex | 0 |
| Gloucestershire | 0 |
| Hampshire | 1 |
| Herefordshire | 0 |
| Hertfordshire | 1 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 0 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 1 |
| Middlesex | 1 |
| Northumberland | 0 |
| 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 | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Chemists Packer | 1 |
| Housekeeper Domestic | 1 |
| Kitchen Maid Domestic | 1 |
| Custonehouse Officer | 1 |
| Name | Census Frequency |
|---|---|
| John Castin | 16 |
| William Castin | 10 |
| Mary Castin | 9 |
| Elizabeth Castin | 8 |
| James Castin | 7 |
| George Castin | 6 |
| Jane Castin | 5 |
| Sarah Castin | 5 |
| Thomas Castin | 5 |
| Alice Castin | 4 |
| Amelia Castin | 4 |
| Edward Castin | 4 |
| Henry Castin | 4 |
| Samuel Castin | 4 |
| Annie Castin | 3 |
| Frances Castin | 3 |
| Frederick Castin | 3 |
| Gertrude Castin | 3 |
| Joseph Castin | 3 |
| Margaret Castin | 3 |
| Alfred Castin | 2 |
| Arnold Castin | 2 |
| Caroline Castin | 2 |
| Michael Castin | 2 |
| Robert Castin | 2 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Costin | 83% | 3,164 |
| 2 | Caston | 83% | 2,878 |
| 3 | Causton | 71% | 2,350 |
| 4 | Coston | 67% | 2,150 |
| 5 | Costain | 71% | 1,869 |
| 6 | Costen | 67% | 800 |
| 7 | Caustin | 86% | 378 |
| 8 | Castin | 100% | 171 |
| 9 | Custon | 67% | 131 |
| 10 | Custin | 83% | 122 |
| 11 | Castain | 86% | 101 |
The surname Castin is the 8th most popular variant of Costin.