| Census: | 1841 |
| County: | Caithness (CAI) |
| District: | Halkirk |
| Civil Parish: | Halkirk |
| Piece: | 37 |
| Enumeration District: | 2 |
| Page: | 9 |
| House Number: | |
| House or Street Name: | Achater |
| Surname | Forenames | Sex | Age | Occupation | Birth County | Notes |
| CAMPBELL | William | M | 35 | Labourer | Caithness | |
| MATHISON | Cirsty | F | 35 | Caithness | ||
| MATHISON | Francis | M | 13 | Caithness | ||
| MATHISON | James | M | 11 | Caithness | ||
| MATHESON | Thomas | M | 9 | Caithness | ||
| MATHISON | Eliza | F | 4 | Caithness | ||
| MATHISON | Girsel | F | 80 | Caithness |