| Bedfordshire | 6 |
| Buckinghamshire | 0 |
| Berkshire | 32 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 3 |
| Cornwall | 2 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 0 |
| Dorset | 5 |
| Durham | 4 |
| Essex | 53 |
| Gloucestershire | 16 |
| Hampshire | 4 |
| Herefordshire | 0 |
| Hertfordshire | 1 |
| Huntingdonshire | 0 |
| Isle of Man | 5 |
| Kent | 55 |
| Lancashire | 26 |
| Leicestershire | 7 |
| Lincolnshire | 2 |
| London | 176 |
| Middlesex | 44 |
| Northumberland | 0 |
| Norfolk | 7 |
| Northamptonshire | 12 |
| Nottinghamshire | 15 |
| Oxfordshire | 20 |
| Rutland | 0 |
| Shropshire | 16 |
| Suffolk | 49 |
| Somerset | 1 |
| Surrey | 17 |
| Sussex | 14 |
| Staffordshire | 1 |
| Warwickshire | 19 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 6 |
| Yorkshire | 16 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 1 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 2 |
| Pembrokeshire | 2 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| School | 55 |
| Private Means | 8 |
| Clerk | 4 |
| Bookseller | 4 |
| House Keeper | 3 |
| Housemaid (domestic) | 3 |
| Shop Assistant | 3 |
| Baker | 3 |
| Farmer | 3 |
| General Labourer | 3 |
| Coal Miner Hewer | 3 |
| Book Binders Leather Case Maker | 2 |
| Carman | 2 |
| General Servant (domestic) | 2 |
| Tailoress | 2 |
| Boot Shop Assistant | 2 |
| Farm Labourer | 2 |
| Old Age Pensioner | 2 |
| School Boy | 2 |
| Workin On Farm | 2 |
| Bootmaker | 2 |
| Domestic Servant | 2 |
| Dressmaker | 2 |
| Assistant Blind Making | 2 |
| Gardener | 2 |
| Name | Census Frequency |
|---|---|
| William Castell | 256 |
| Mary Castell | 222 |
| John Castell | 211 |
| Sarah Castell | 151 |
| George Castell | 137 |
| Elizabeth Castell | 133 |
| Charles Castell | 127 |
| James Castell | 127 |
| Thomas Castell | 102 |
| Henry Castell | 83 |
| Ann Castell | 75 |
| Alfred Castell | 57 |
| Annie Castell | 56 |
| Edward Castell | 56 |
| Jane Castell | 56 |
| Charlotte Castell | 54 |
| Alice Castell | 52 |
| Eliza Castell | 51 |
| Emma Castell | 50 |
| Arthur Castell | 48 |
| Joseph Castell | 47 |
| Ellen Castell | 45 |
| Frederick Castell | 45 |
| Edith Castell | 41 |
| Margaret Castell | 37 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Costello | 75% | 7,711 |
| 2 | Castell | 100% | 3,726 |
| 3 | Costella | 75% | 820 |
| 4 | Costall | 71% | 528 |
| 5 | Castello | 88% | 457 |
| 6 | Castelli | 88% | 405 |
| 7 | Castel | 86% | 305 |
| 8 | Costell | 86% | 275 |
| 9 | Costelloe | 67% | 216 |
| 10 | Costelle | 75% | 153 |
The surname Castell is the 2nd most popular variant of Costello.