| Census: | 1861 |
| County: | Cornwall (CON) |
| District: | Penzance |
| Civil Parish: | St Ives |
| Ecclesiastical Parish: | Halsetown |
| Piece: | 1589 |
| Enumeration District: | 4 |
| Folio: | 55 |
| Page: | 34 |
| Schedule: | 178 |
| House Number: | |
| House or Street Name: | Trenwith |
| Surname | Forenames | Relationship | Marital Status | Sex | Age | Occupation | Birth County | Birth Place | Disability | Notes |
| ELLIS | Thomas | Head | M | M | 59 | Tin Miner | Cornwall | St Ives | ||
| ELLIS | Grace | Wife | M | F | 56 | - | Cornwall | St Ives | ||
| WILLIAMS | Ann | Dau | M | F | 34 | Tin Dresser | Cornwall | Zennor | ||
| ELLIS | Grace | Dau | U | F | 17 | Tin Dresser | Cornwall | Zennor | ||
| ELLIS | Ruth | Dau | U | F | 13 | Tin Dresser | Cornwall | St Ives | ||
| ELLIS | Nanny B | Grndau | U | F | 12 | Tin Dresser | Cornwall | Madron | ||
| WILLIAMS | Colan | Grnson | - | M | 3 | - | Cornwall | St Ives |