| Bedfordshire | 1 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 0 |
| Cornwall | 381 |
| Cumberland | 1 |
| Derbyshire | 0 |
| Devon | 25 |
| Dorset | 0 |
| Durham | 0 |
| Essex | 0 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 0 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 5 |
| Middlesex | 0 |
| Northumberland | 0 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 1 |
| Surrey | 0 |
| Sussex | 0 |
| 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 | 5 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 77 |
| Tin Miner | 11 |
| Agricultural Labourer | 10 |
| Tin Dresser | 10 |
| Farmer's Son | 7 |
| Dress Maker | 5 |
| Farmer's Daughter | 5 |
| General Servant | 5 |
| Lead Miner | 5 |
| Blacksmith | 4 |
| Carpenter | 4 |
| Domestic Servant | 4 |
| Farm Labourer | 4 |
| Miner | 4 |
| Draper Assistant | 3 |
| Farmer's Wife | 3 |
| General Servant Domestic | 3 |
| House Keeper | 3 |
| Servant | 3 |
| Wife | 3 |
| Wife Of Above | 3 |
| Ag Labourer | 2 |
| Builder | 2 |
| Cordwainer | 2 |
| Worsted Spinner | 2 |
| Name | Census Frequency |
|---|---|
| Mary Trebilcock | 321 |
| William Trebilcock | 290 |
| John Trebilcock | 203 |
| Elizabeth Trebilcock | 185 |
| James Trebilcock | 162 |
| Thomas Trebilcock | 121 |
| Jane Trebilcock | 105 |
| Richard Trebilcock | 103 |
| Ann Trebilcock | 77 |
| Eliza Trebilcock | 71 |
| Annie Trebilcock | 52 |
| Ellen Trebilcock | 52 |
| Charles Trebilcock | 51 |
| Joseph Trebilcock | 51 |
| Henry Trebilcock | 39 |
| Catherine Trebilcock | 38 |
| Samuel Trebilcock | 35 |
| Edwin Trebilcock | 32 |
| Sarah Trebilcock | 30 |
| Francis Trebilcock | 29 |
| Susan Trebilcock | 29 |
| Grace Trebilcock | 28 |
| George Trebilcock | 26 |
| Alfred Trebilcock | 25 |
| Emily Trebilcock | 20 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Trebilcock | 100% | 3,203 |
| 2 | Trebelcock | 90% | 112 |
The surname Trebilcock is the most popular version of all its varients