| Census: | 1841 |
| County: | Argyllshire (ARL) |
| District: | Iona |
| Civil Parish: | Iona Q S |
| Piece: | 538 |
| Enumeration District: | 5 |
| Page: | 6 |
| House Number: | |
| House or Street Name: | Cro |
| Surname | Forenames | Sex | Age | Occupation | Birth County | Notes |
| BLACK | Duncan | M | 60 | Agricultural Labourer | Argyllshire | |
| BLACK | Donald | M | 20 | Agricultural Labourer | Argyllshire | |
| BLACK | Cathrine | F | 15 | Argyllshire | ||
| BLACK | Dugald | M | 15 | Argyllshire | ||
| BLACK | Isabella | F | 7 | Argyllshire |