| Census: | 1851 |
| County: | Ayrshire (AYR) |
| District: | Ayr |
| Civil Parish: | Kilmarnock |
| Ecclesiastical Parish: | Kilmarnock |
| Piece: | 597 |
| Enumeration District: | 28 |
| Folio: | 0 |
| Page: | 3 |
| Schedule: | 9 |
| House Number: | |
| House or Street Name: | Onthank |
| Surname | Forenames | Relationship | Marital Status | Sex | Age | Occupation | Birth County | Birth Place | Disability | Notes |
| MORTON | Lillias | Head | W | F | 64 | Farmer Of 85 Acres Emp 4 Labs | Ayrshire | Kilmarnock | ||
| MORTON | Hugh | Son | U | M | 19 | Ayrshire | Kilmarnock | |||
| MCCULLOCH | James | Servnt | U | M | 20 | Farm Labourer | Wigtownshire | - | ||
| BOYCE | David | Servnt | U | M | 24 | Farm Labourer | Ireland | - | ||
| WILKIE | Ann | Servnt | U | F | 34 | House Servant | Lanarkshire | Glasgow | ||
| JOHNSTONE | Agness | Servnt | U | F | 25 | House Servant | Ayrshire | Dalry |