| Bedfordshire | 0 |
| Buckinghamshire | 0 |
| Berkshire | 0 |
| Cambridgeshire | 0 |
| Channel Islands | 0 |
| Cheshire | 0 |
| Cornwall | 72 |
| Cumberland | 0 |
| Derbyshire | 0 |
| Devon | 0 |
| 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 | 9 |
| Middlesex | 0 |
| Northumberland | 0 |
| Norfolk | 0 |
| Northamptonshire | 10 |
| 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 | 1 |
| Denbighshire | 0 |
| Flintshire | 0 |
| Glamorgan | 0 |
| Merionethshire | 0 |
| Montgomeryshire | 0 |
| Monmouthshire | 0 |
| Pembrokeshire | 0 |
| Radnorshire | 0 |
| Profession | Census Frequency |
|---|---|
| Scholar | 20 |
| At Home | 6 |
| Miner | 6 |
| Copper Miner | 4 |
| Scholar Miner's Son | 4 |
| Agricultural Labourer | 3 |
| Dress Maker | 3 |
| Labourer | 3 |
| Waiter | 1 |
| Annuitant | 1 |
| Carpenter | 1 |
| Errand Boy | 1 |
| Gardener | 1 |
| Gardener's Labourer | 1 |
| Governess Public Teacher School | 1 |
| House Maid | 1 |
| House Servant | 1 |
| Inn Keeper's Servant | 1 |
| Lead Miner | 1 |
| Mariner | 1 |
| Out Of Service | 1 |
| Room Maid | 1 |
| Tailor's Wife | 1 |
| Tin Miner | 1 |
| Tin Miner's Wife | 1 |
| Name | Census Frequency |
|---|---|
| William Trevarthen | 90 |
| Elizabeth Trevarthen | 65 |
| Mary Trevarthen | 57 |
| Thomas Trevarthen | 54 |
| John Trevarthen | 46 |
| Jane Trevarthen | 32 |
| Ann Trevarthen | 29 |
| Richard Trevarthen | 28 |
| Edward Trevarthen | 24 |
| James Trevarthen | 22 |
| Robert Trevarthen | 13 |
| Henry Trevarthen | 12 |
| Bessie Trevarthen | 11 |
| Edith Trevarthen | 11 |
| Margaret Trevarthen | 11 |
| Annie Trevarthen | 10 |
| Benjamin Trevarthen | 10 |
| Charles Trevarthen | 10 |
| Grace Trevarthen | 10 |
| Maria Trevarthen | 10 |
| Daniel Trevarthen | 9 |
| Ellen Trevarthen | 9 |
| George Trevarthen | 9 |
| Joseph Trevarthen | 9 |
| Eliza Trevarthen | 8 |
| Rank | Surname | Match | Census Frequency |
|---|---|---|---|
| 1 | Trevarthen | 100% | 901 |
| 2 | Trevarthan | 90% | 108 |
The surname Trevarthen is the most popular version of all its varients