| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 1 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 1 |
| Cornwall | 0 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 0 |
| Dorset | 0 |
| Durham | 1 |
| Essex | 7 |
| Gloucestershire | 0 |
| Hampshire | 2 |
| Herefordshire | 0 |
| Hertfordshire | 2 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 6 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 43 |
| Middlesex | 15 |
| Northumberland | 1 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 4 |
| Staffordshire | 0 |
| 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 | 6 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| School | 4 |
| Student | 3 |
| At Home | 2 |
| Boot Laster | 2 |
| Boot Repairer | 2 |
| A B Seaman | 2 |
| Apprentice Wood Engraver | 1 |
| Boot Salesman | 1 |
| Brick Layer | 1 |
| Carman | 1 |
| Charwoman | 1 |
| Printers Cutter | 1 |
| Cabinet Maker | 1 |
| Coal Merchant | 1 |
| French Polisher | 1 |
| Bus Conductor L G O Company | 1 |
| Collector, Gas Company | 1 |
| None Late Cabmen's Shelter Keeper | 1 |
| Painter | 1 |
| Printers Warehouseman | 1 |
| Private Means | 1 |
| Shirt Finisher | 1 |
| Upholstress | 1 |
| House Wife | 1 |
| Foreman Goverment Works Korthern Nigeria | 1 |
| Name | Census Frequency |
|---|---|
| John Castro | 29 |
| William Castro | 23 |
| Mary Castro | 22 |
| Thomas Castro | 17 |
| Henry Castro | 14 |
| James Castro | 14 |
| Charles Castro | 12 |
| Frederick Castro | 11 |
| George Castro | 11 |
| Margaret Castro | 11 |
| Elizabeth Castro | 10 |
| Alfred Castro | 8 |
| Ann Castro | 8 |
| Annie Castro | 8 |
| Ellen Castro | 8 |
| Joseph Castro | 8 |
| Louisa Castro | 7 |
| Edward Castro | 6 |
| Emma Castro | 6 |
| Ernest Castro | 6 |
| Richard Castro | 6 |
| Rosina Castro | 6 |
| Emily Castro | 5 |
| Jane Castro | 5 |
| Jessie Castro | 5 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Caster | 67% | 8,566 |
| 2 | Coster | 50% | 7,154 |
| 3 | Acaster | 57% | 1,597 |
| 4 | Castree | 71% | 1,146 |
| 5 | Costar | 50% | 927 |
| 6 | Castor | 67% | 655 |
| 7 | Caister | 57% | 534 |
| 8 | Castro | 100% | 471 |
| 9 | Custar | 50% | 245 |
| 10 | Custer | 50% | 226 |
| 11 | Caistor | 57% | 201 |
| 12 | Acastor | 57% | 142 |
The surname Castro is the 8th most popular variant of Caster.