| Census: | 1841 |
| County: | Cornwall (CON) |
| District: | Powder |
| Civil Parish: | Tywardreath |
| Piece: | 146 |
| Enumeration District: | 7 |
| Folio: | 89 |
| Page: | 1 |
| House Number: | |
| House or Street Name: | Killhalland Moor |
| Surname | Forenames | Sex | Age | Occupation | Birth County | Notes |
| THOMAS | John | M | 30 | Copper Miner | Cornwall | |
| THOMAS | Margret | F | 30 | Cornwall | ||
| THOMAS | Mary | F | 11 | Cornwall | ||
| THOMAS | Elizabeth | F | 9 | Cornwall | ||
| THOMAS | Grace | F | 7 | Cornwall | ||
| THOMAS | William | M | 5 | Cornwall | ||
| THOMAS | Mabel | F | 3 | Cornwall | ||
| THOMAS | John | M | 8m | Unknown |