| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 6 |
| Cheshire | 0 |
| Cornwall | 214 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 34 |
| Dorset | 0 |
| Durham | 0 |
| Essex | 0 |
| Gloucestershire | 0 |
| Hampshire | 0 |
| Herefordshire | 0 |
| Hertfordshire | 0 |
| Huntingdonshire | 0 |
| Isle of Man | 0 |
| Kent | 0 |
| Lancashire | 1 |
| Leicestershire | 0 |
| Lincolnshire | 0 |
| London | 0 |
| Middlesex | 0 |
| Northumberland | 0 |
| Norfolk | 0 |
| Northamptonshire | 0 |
| Nottinghamshire | 0 |
| Oxfordshire | 0 |
| Rutland | 0 |
| Shropshire | 0 |
| Suffolk | 0 |
| Somerset | 0 |
| Surrey | 0 |
| Sussex | 0 |
| Staffordshire | 0 |
| Warwickshire | 0 |
| Westmorland | 0 |
| Wiltshire | 0 |
| Worcestershire | 0 |
| Yorkshire | 8 |
| Anglesey | 0 |
| Brecknockshire | 0 |
| Cardiganshire | 0 |
| Carnarvonshire | 0 |
| Carmarthenshire | 0 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 51 |
| Tin Miner | 9 |
| Labourer | 8 |
| Farmers Son | 7 |
| Blacksmith | 5 |
| Domestic Servant | 5 |
| Miner | 5 |
| Clay Labourer | 4 |
| Farmers Daughter | 4 |
| Quarry Man | 4 |
| Copper Miner | 3 |
| Dress Maker | 3 |
| General Servant Domestic | 3 |
| Wife Of Above | 3 |
| Dressmaker | 3 |
| Household Duties | 2 |
| China Clay Lab | 2 |
| Clay Lab | 2 |
| Farm Servant | 2 |
| Farmer Of 20 Acres | 2 |
| General Servant | 2 |
| House Keeper | 2 |
| House Maid | 2 |
| Labourer's Wife | 2 |
| Miner Tin | 2 |
| Name | Census Frequency |
|---|---|
| William Trethewey | 220 |
| Mary Trethewey | 212 |
| John Trethewey | 179 |
| Elizabeth Trethewey | 147 |
| Richard Trethewey | 123 |
| Thomas Trethewey | 113 |
| Jane Trethewey | 88 |
| James Trethewey | 79 |
| Ann Trethewey | 73 |
| Samuel Trethewey | 54 |
| Emma Trethewey | 47 |
| Joseph Trethewey | 43 |
| Eliza Trethewey | 42 |
| George Trethewey | 37 |
| Charles Trethewey | 36 |
| Annie Trethewey | 33 |
| Alfred Trethewey | 31 |
| Henry Trethewey | 30 |
| Susan Trethewey | 28 |
| Sarah Trethewey | 26 |
| Catherine Trethewey | 25 |
| Robert Trethewey | 25 |
| Emily Trethewey | 24 |
| Frederick Trethewey | 24 |
| Maria Trethewey | 21 |