| Bedfordshire | 0 |
| Buckinghamshire | 12 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 0 |
| Cornwall | 1 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 2 |
| Dorset | 0 |
| Durham | 14 |
| Essex | 28 |
| Gloucestershire | 7 |
| Hampshire | 103 |
| Herefordshire | 2 |
| Hertfordshire | 68 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 80 |
| Lancashire | 20 |
| Leicestershire | 5 |
| Lincolnshire | 0 |
| London | 342 |
| Middlesex | 58 |
| Northumberland | 5 |
| Norfolk | 5 |
| Northamptonshire | 4 |
| Nottinghamshire | 0 |
| Oxfordshire | 7 |
| Rutland | 0 |
| Shropshire | 4 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 9 |
| Sussex | 48 |
| Staffordshire | 20 |
| Warwickshire | 16 |
| Westmorland | 0 |
| Wiltshire | 31 |
| Worcestershire | 2 |
| Yorkshire | 10 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 1 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 155 |
| Agricultural Labourer | 25 |
| Labourer | 16 |
| Domestic Servant | 10 |
| Laundress | 8 |
| Carman | 8 |
| Annuitant | 7 |
| Carpenter | 7 |
| Agricultural Lab | 6 |
| No Occupation | 6 |
| Tailoress | 6 |
| Wife Of Above | 5 |
| Ag Labourer | 5 |
| House Keeper | 4 |
| Dressmaker | 4 |
| Gardener | 4 |
| Nurse | 4 |
| Servant | 4 |
| Carpenter Journeyman | 4 |
| Cigar Maker | 4 |
| Errand Boy | 4 |
| Bricklayer Labourer | 3 |
| Coachman | 3 |
| Domestic | 3 |
| Governess | 3 |
| Name | Census Frequency |
|---|---|
| Mary Coster | 443 |
| William Coster | 396 |
| George Coster | 345 |
| John Coster | 318 |
| Elizabeth Coster | 240 |
| Sarah Coster | 239 |
| Charles Coster | 233 |
| Thomas Coster | 227 |
| James Coster | 224 |
| Henry Coster | 189 |
| Jane Coster | 149 |
| Ann Coster | 137 |
| Eliza Coster | 122 |
| Emma Coster | 111 |
| Ellen Coster | 107 |
| Alice Coster | 106 |
| Edward Coster | 101 |
| Frederick Coster | 87 |
| Annie Coster | 85 |
| Samuel Coster | 71 |
| Louisa Coster | 69 |
| Albert Coster | 67 |
| Alfred Coster | 65 |
| Arthur Coster | 65 |
| Emily Coster | 64 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Caster | 83% | 8,566 |
| 2 | Coster | 100% | 7,154 |
| 3 | Acaster | 71% | 1,597 |
| 4 | Castree | 57% | 1,146 |
| 5 | Costar | 83% | 927 |
| 6 | Castor | 67% | 655 |
| 7 | Caister | 71% | 534 |
| 8 | Castro | 50% | 471 |
| 9 | Custar | 67% | 245 |
| 10 | Custer | 83% | 226 |
| 11 | Caistor | 57% | 201 |
| 12 | Acastor | 57% | 142 |
The surname Coster is the 2nd most popular variant of Caster.