| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 0 |
| Cornwall | 85 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 9 |
| 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 | 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 | 0 |
| 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 | 22 |
| Agricultural Labourer | 6 |
| Tin Dresser | 5 |
| Cordwainer | 2 |
| Draper Assistant | 2 |
| House Servant | 2 |
| Ship Builder | 2 |
| Stamps Boy | 2 |
| Carpenter Journeyman | 1 |
| Copper Miner | 1 |
| Farmer Of 100 Acres Employing 4 Labourer | 1 |
| Farmer Of 90 Acres Employing 1 Boy | 1 |
| Farmer's Daughter | 1 |
| Farmer's Servant | 1 |
| General Servant | 1 |
| Grocer | 1 |
| House Carpenter | 1 |
| House Mason | 1 |
| Keeper Of Sub Post Office | 1 |
| Laundress | 1 |
| Mason | 1 |
| Masons Wife | 1 |
| Retired Farmer | 1 |
| Retired Farmer's Wife | 1 |
| Servant | 1 |
| Name | Census Frequency |
|---|---|
| William Trethowan | 112 |
| John Trethowan | 68 |
| Mary Trethowan | 56 |
| Jane Trethowan | 47 |
| Elizabeth Trethowan | 46 |
| James Trethowan | 38 |
| George Trethowan | 32 |
| Emma Trethowan | 31 |
| Charles Trethowan | 27 |
| Henry Trethowan | 26 |
| Thomas Trethowan | 26 |
| Nicholas Trethowan | 22 |
| Ann Trethowan | 21 |
| Ellen Trethowan | 18 |
| Annie Trethowan | 16 |
| Sarah Trethowan | 14 |
| Edwin Trethowan | 12 |
| Frank Trethowan | 12 |
| Grace Trethowan | 12 |
| Caroline Trethowan | 11 |
| Mabel Trethowan | 10 |
| Alfred Trethowan | 9 |
| Emily Trethowan | 9 |
| Samuel Trethowan | 9 |
| Edith Trethowan | 8 |