| Census: | 1881 |
| County: | Cornwall (CON) |
| District: | St Agnes |
| Civil Parish: | St Agnes |
| Ecclesiastical Parish: | Mithian |
| Piece: | 2308 |
| Enumeration District: | 8 |
| Folio: | 61 |
| Page: | 11 |
| Schedule: | 74 |
| House Number: | |
| House or Street Name: | Blackwater |
| Surname | Forenames | Relationship | Marital Status | Sex | Age | Occupation | Birth County | Birth Place | Disability | Notes |
| POWNING | James | Head | M | M | 53 | Mine Blacksmith | Cornwall | St Agnes | ||
| POWNING | Mary | Wife | M | F | 36 | Cornwall | St Agnes |