| Bedfordshire | 48 |
| Buckinghamshire | 4 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 4 |
| Cornwall | 0 |
| Cumberland | 8 |
| Derbyshire | 1 |
| Devon | 2 |
| Dorset | 1 |
| Durham | 3 |
| Essex | 14 |
| Gloucestershire | 1 |
| Hampshire | 3 |
| Herefordshire | 0 |
| Hertfordshire | 10 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 63 |
| Lancashire | 35 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 109 |
| Middlesex | 5 |
| Northumberland | 5 |
| Norfolk | 0 |
| Northamptonshire | 4 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 1 |
| Surrey | 1 |
| Sussex | 8 |
| Staffordshire | 0 |
| Warwickshire | 16 |
| Westmorland | 0 |
| Wiltshire | 1 |
| Worcestershire | 9 |
| Yorkshire | 0 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 1 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 68 |
| Carpenter | 9 |
| General Labourer | 7 |
| Agricultural Labourer | 6 |
| Carman | 5 |
| Brickfield Labourer | 4 |
| Farm Labourer Agricultural | 4 |
| Farmer | 3 |
| Dressmaker | 3 |
| General Servant Domestic | 3 |
| Dress Maker | 3 |
| Farm Labourer | 3 |
| Straw Hat Finisher | 2 |
| Grocer | 2 |
| Joiner | 2 |
| Char Woman | 2 |
| House Keeper | 2 |
| Clerk | 2 |
| Brush Drawer | 2 |
| Car Man | 2 |
| Cook Domestic Servant | 2 |
| Merchants Clerk | 2 |
| Lacquerer Metal | 2 |
| Slater | 1 |
| Apprentice Watch Maker | 1 |
| Name | Census Frequency |
|---|---|
| William Costin | 221 |
| John Costin | 206 |
| Elizabeth Costin | 139 |
| Mary Costin | 137 |
| Charles Costin | 131 |
| Sarah Costin | 117 |
| Thomas Costin | 105 |
| George Costin | 97 |
| Henry Costin | 96 |
| James Costin | 83 |
| Ann Costin | 67 |
| Alfred Costin | 54 |
| Jane Costin | 54 |
| Edward Costin | 52 |
| Frederick Costin | 49 |
| Annie Costin | 45 |
| Emma Costin | 43 |
| Alice Costin | 42 |
| Robert Costin | 40 |
| Emily Costin | 39 |
| Ellen Costin | 38 |
| Florence Costin | 36 |
| Eliza Costin | 35 |
| Joseph Costin | 34 |
| Arthur Costin | 32 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Costin | 100% | 3,164 |
| 2 | Caston | 67% | 2,878 |
| 3 | Causton | 57% | 2,350 |
| 4 | Coston | 83% | 2,150 |
| 5 | Costain | 86% | 1,869 |
| 6 | Costen | 83% | 800 |
| 7 | Caustin | 71% | 378 |
| 8 | Castin | 83% | 171 |
| 9 | Custon | 67% | 131 |
| 10 | Custin | 83% | 122 |
| 11 | Castain | 71% | 101 |
The surname Costin is the most popular version of all its varients