| Bedfordshire | 4 |
| Buckinghamshire | 0 |
| Berkshire | 1 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 1 |
| Cornwall | 1 |
| Cumberland | 0 |
| Derbyshire | 1 |
| Devon | 3 |
| Dorset | 0 |
| Durham | 6 |
| Essex | 21 |
| Gloucestershire | 0 |
| Hampshire | 1 |
| Herefordshire | 0 |
| Hertfordshire | 1 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 12 |
| Lancashire | 1 |
| Leicestershire | 4 |
| Lincolnshire | 11 |
| London | 107 |
| Middlesex | 33 |
| Northumberland | 1 |
| Norfolk | 57 |
| Northamptonshire | 3 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 15 |
| Somerset | 0 |
| Surrey | 11 |
| Sussex | 14 |
| Staffordshire | 0 |
| Warwickshire | 1 |
| Westmorland | 0 |
| Wiltshire | 1 |
| Worcestershire | 3 |
| Yorkshire | 21 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 10 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| School | 20 |
| Bricklayer | 5 |
| General Servant (domestic) | 4 |
| Labourer | 4 |
| Bricklayers Labourer | 3 |
| Shoe Maker | 3 |
| Assistant | 2 |
| Boot Repairer | 2 |
| Charwoman | 2 |
| Clerk | 2 |
| General Servant | 2 |
| Coal Minch (hewer) | 2 |
| Domestic Servant | 2 |
| Student | 2 |
| Bricklayer Labourer | 2 |
| Cook Domestic | 2 |
| None | 2 |
| Quantity Surveyor | 2 |
| Carriage Groom | 1 |
| House Keeper Domestic | 1 |
| Matron House Of Rest | 1 |
| Partner In Same Outfitting | 1 |
| Plain Needlework | 1 |
| Head Teacher | 1 |
| House Keeper | 1 |
| Name | Census Frequency |
|---|---|
| William Caston | 204 |
| Mary Caston | 187 |
| John Caston | 145 |
| George Caston | 119 |
| Elizabeth Caston | 117 |
| Sarah Caston | 113 |
| Thomas Caston | 90 |
| James Caston | 87 |
| Robert Caston | 69 |
| Henry Caston | 58 |
| Charles Caston | 56 |
| Ann Caston | 55 |
| Samuel Caston | 48 |
| Eliza Caston | 44 |
| Edward Caston | 42 |
| Alfred Caston | 41 |
| Emma Caston | 40 |
| Annie Caston | 39 |
| Arthur Caston | 36 |
| Joseph Caston | 35 |
| Maria Caston | 35 |
| Jane Caston | 33 |
| Ellen Caston | 30 |
| Alice Caston | 29 |
| Martha Caston | 29 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Costin | 67% | 3,164 |
| 2 | Caston | 100% | 2,878 |
| 3 | Causton | 86% | 2,350 |
| 4 | Coston | 83% | 2,150 |
| 5 | Costain | 57% | 1,869 |
| 6 | Costen | 67% | 800 |
| 7 | Caustin | 71% | 378 |
| 8 | Castin | 83% | 171 |
| 9 | Custon | 83% | 131 |
| 10 | Custin | 67% | 122 |
| 11 | Castain | 71% | 101 |
The surname Caston is the 2nd most popular variant of Costin.