| Census: | 1841 |
| County: | Cornwall (CON) |
| District: | Penwith |
| Civil Parish: | Madron |
| Piece: | 143 |
| Enumeration District: | 15 |
| Folio: | 5 |
| Page: | 2 |
| House Number: | |
| House or Street Name: | Crankan |
| Surname | Forenames | Sex | Age | Occupation | Birth County | Notes |
| CURNOW | Jacob | M | 35 | Farmer | Cornwall | |
| CURNOW | Frances | F | 35 | - | Cornwall | |
| CURNOW | Mary | F | 12 | - | Cornwall | |
| CURNOW | Catherine | F | 10 | - | Cornwall | |
| CURNOW | Jacob | M | 8 | - | Cornwall | |
| CURNOW | Benjamin | M | 7 | - | Cornwall | |
| CURNOW | William | M | 5 | - | Cornwall | |
| CURNOW | James | M | 3 | - | Cornwall | |
| CURNOW | John | M | 2 | - | Cornwall | |
| CURNOW | Barbara | F | 5m | - | Cornwall | |
| TREMBATH | Elizth | F | 30 | F. Servant | Cornwall |