| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 0 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 1 |
| Dorset | 0 |
| Durham | 0 |
| Essex | 0 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 7 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 13 |
| Lancashire | 0 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 1 |
| Middlesex | 0 |
| Northumberland | 0 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 1 |
| Sussex | 0 |
| Staffordshire | 2 |
| 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 |
|---|---|
| Agricultural Labourer | 2 |
| Female Servant | 2 |
| Independent | 1 |
| Higler | 1 |
| Farmer | 1 |
| Paper Maker | 1 |
| Governess | 1 |
| House Keeper | 1 |
| Name | Census Frequency |
|---|---|
| George Costen | 48 |
| William Costen | 48 |
| Mary Costen | 43 |
| Henry Costen | 36 |
| Elizabeth Costen | 32 |
| John Costen | 31 |
| Thomas Costen | 25 |
| James Costen | 23 |
| Sarah Costen | 22 |
| Eliza Costen | 21 |
| Charles Costen | 20 |
| Alfred Costen | 19 |
| Ann Costen | 17 |
| Albert Costen | 16 |
| Alice Costen | 15 |
| Annie Costen | 13 |
| Edward Costen | 13 |
| Ellen Costen | 13 |
| Emma Costen | 13 |
| Arthur Costen | 12 |
| Emily Costen | 10 |
| Ernest Costen | 10 |
| Jane Costen | 10 |
| Edwin Costen | 9 |
| Louisa Costen | 8 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Costin | 83% | 3,164 |
| 2 | Caston | 67% | 2,878 |
| 3 | Causton | 57% | 2,350 |
| 4 | Coston | 83% | 2,150 |
| 5 | Costain | 71% | 1,869 |
| 6 | Cawston | 57% | 1,858 |
| 7 | Costen | 100% | 800 |
| 8 | Caustin | 57% | 378 |
| 9 | Castin | 67% | 171 |
| 10 | Custon | 67% | 131 |
| 11 | Custin | 67% | 122 |
| 12 | Castain | 57% | 101 |
The surname Costen is the 7th most popular variant of Costin.