| Census: | 1861 |
| County: | Cornwall (CON) |
| District: | Helston |
| Civil Parish: | St Keverne |
| Ecclesiastical Parish: | - |
| Piece: | 1573 |
| Enumeration District: | 6 |
| Folio: | 64 |
| Page: | 11 |
| Schedule: | 63 |
| House Number: | |
| House or Street Name: | Tredennack |
| Surname | Forenames | Relationship | Marital Status | Sex | Age | Occupation | Birth County | Birth Place | Disability | Notes |
| BORLASE | Joseph | Head | M | M | 35 | Ag Lab | Cornwall | St Keverne | - | |
| BORLASE | Jane | Wife | M | F | 34 | Lab Wife | Cornwall | Ruan Minor | - | |
| BORLASE | Elizabeth Jane | Dau | - | F | 7 | Scholar | Cornwall | Phillack | - | |
| BORLASE | Elizabeth | Dau | - | F | 4 | Scholar | Cornwall | Crowan | - | |
| BORLASE | Joseph | Son | - | M | 2 | Cornwall | Crowan | - | ||
| BORLASE | Mary Louisa | Dau | - | F | 1 | Cornwall | Phillack | - |