| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 2 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 7 |
| Cornwall | 0 |
| Cumberland | 6 |
| Derbyshire | 4 |
| Devon | 2 |
| Dorset | 0 |
| Durham | 11 |
| Essex | 4 |
| Gloucestershire | 0 |
| Hampshire | 10 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 2 |
| Lancashire | 6 |
| Leicestershire | 9 |
| Lincolnshire | 2 |
| London | 25 |
| Middlesex | 7 |
| Northumberland | 16 |
| Norfolk | 6 |
| Northamptonshire | 5 |
| Nottinghamshire | 3 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 4 |
| Suffolk | 6 |
| Somerset | 0 |
| Surrey | 2 |
| Sussex | 1 |
| Staffordshire | 2 |
| Warwickshire | 5 |
| Westmorland | 0 |
| Wiltshire | 3 |
| Worcestershire | 0 |
| Yorkshire | 24 |
| Anglesey | 0 |
| Brecknockshire | 2 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 2 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 1 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 25 |
| Agricultural Labourer | 4 |
| Clerk | 3 |
| Coal Miner | 3 |
| Hosiery Frame Work | 3 |
| Laundress | 2 |
| Living On Her Own Means | 2 |
| Domestic Nurse | 2 |
| General Servant Domestic | 2 |
| Collier | 1 |
| Bricklayer Labourer | 1 |
| General Labourer | 1 |
| Coal Sinker & Miner | 1 |
| Iron Worker Coacher | 1 |
| Iron Mongers Assistant | 1 |
| Bus Driver | 1 |
| Carpenter | 1 |
| Curtain Taper Lace | 1 |
| Lock Smith | 1 |
| Cook Domestic Servsant | 1 |
| Baker | 1 |
| Boot Maker | 1 |
| Labourer | 1 |
| Living On His Own Means | 1 |
| Plate Layer | 1 |
| Name | Census Frequency |
|---|---|
| William Castor | 55 |
| Mary Castor | 47 |
| John Castor | 34 |
| Sarah Castor | 28 |
| Elizabeth Castor | 25 |
| Thomas Castor | 24 |
| George Castor | 19 |
| Ann Castor | 18 |
| James Castor | 17 |
| Eliza Castor | 14 |
| Emma Castor | 11 |
| Charles Castor | 10 |
| Edward Castor | 10 |
| Henry Castor | 10 |
| Louisa Castor | 10 |
| Alice Castor | 9 |
| Emily Castor | 9 |
| Jane Castor | 9 |
| Joseph Castor | 9 |
| Walter Castor | 9 |
| Alfred Castor | 8 |
| Annie Castor | 8 |
| Robert Castor | 8 |
| Amelia Castor | 7 |
| Julia Castor | 6 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Caster | 83% | 8,566 |
| 2 | Coster | 67% | 7,154 |
| 3 | Acaster | 71% | 1,597 |
| 4 | Castree | 57% | 1,146 |
| 5 | Costar | 67% | 927 |
| 6 | Castor | 100% | 655 |
| 7 | Caister | 71% | 534 |
| 8 | Castro | 67% | 471 |
| 9 | Custar | 67% | 245 |
| 10 | Custer | 67% | 226 |
| 11 | Caistor | 86% | 201 |
| 12 | Acastor | 86% | 142 |
The surname Castor is the 6th most popular variant of Caster.