| Census: | 1851 |
| County: | Ayrshire (AYR) |
| District: | Ayr |
| Civil Parish: | Loudoun |
| Ecclesiastical Parish: | Loudoun |
| Piece: | 603 |
| Enumeration District: | 9 |
| Folio: | 0 |
| Page: | 7 |
| Schedule: | 32 |
| House Number: | |
| House or Street Name: | Darvel |
| Surname | Forenames | Relationship | Marital Status | Sex | Age | Occupation | Birth County | Birth Place | Disability | Notes |
| SPEIRS | William | Head | M | M | 60 | Carter | Ayrshire | Kilmaurs | ||
| SPEIRS | Isobel | Wife | M | F | 59 | Ayrshire | Muirkirk | |||
| SPEIRS | Isobel | Dau | U | F | 26 | Cotton Cloth Cutter | Lanarkshire | Avondale | ||
| SPEIRS | Robert | Son | U | M | 21 | Hand Loom Weaver Cotton | Ayrshire | Loudoun | ||
| SPEIRS | William | Son | - | M | 6 | Ayrshire | Loudoun | |||
| SMITH | James | Lodger | U | M | 44 | Hand Loom Weaver Cotton | Ayrshire | Riccarton |