| Census: | 1851 |
| County: | Fife (FIF) |
| District: | Markinch |
| Civil Parish: | Markinch |
| Ecclesiastical Parish: | Markinch |
| Piece: | 447 |
| Enumeration District: | 3 |
| Folio: | 0 |
| Page: | 6 |
| Schedule: | 17 |
| House Number: | |
| House or Street Name: | Balbirnie Mill |
| Surname | Forenames | Relationship | Marital Status | Sex | Age | Occupation | Birth County | Birth Place | Disability | Notes |
| KAY | Robert | Head | M | M | 68 | Farmer 114 Ac Emp 4 Lab | Fife | Falkland | ||
| KAY | Agness | Wife | M | F | 70 | Farmers Wife | Fife | Falkland | ||
| KAY | Ann | Dau | W | F | 45 | Farmers Daur | Fife | Falkland | ||
| KAY | Isabella | Dau | U | F | 40 | Farmers Daur | Fife | Leslie | ||
| REID | Janet | Servnt | U | F | 19 | House Servant | Kinross-shire | Portmoak |