| Census: | 1851 |
| County: | Ayrshire (AYR) |
| District: | Ayr |
| Civil Parish: | Old Cumnock |
| Ecclesiastical Parish: | Old Cumnock |
| Piece: | 610 |
| Enumeration District: | 2 |
| Folio: | 0 |
| Page: | 38 |
| Schedule: | 139 |
| House Number: | |
| House or Street Name: | North Side Of Townhead Street |
| Surname | Forenames | Relationship | Marital Status | Sex | Age | Occupation | Birth County | Birth Place | Disability | Notes |
| MURDOCH | Agnes | Head | W | F | 42 | Needlewoman | Ayrshire | Cumnock | ||
| MURDOCH | James | Son | U | M | 13 | Apprentice Weaver | Lanarkshire | Glasgow | ||
| MURDOCH | Thomas | Son | - | M | 12 | Scholar | Lanarkshire | Glasgow | ||
| MURDOCH | Margaret | Dau | - | F | 4 | Ayrshire | Cumnock |