| Census Year | 1861 |
| County | Cornwall (CON) |
| Census District | St Austell |
| Enumeration District | 15 |
| Civil Parish | St Blazey |
| Ecclesiastical Parish | - |
| Where Census Taken | St Blazey |
| Piece | RG9_1546 |
| Ward | - |
| Constituency | - |
| Page | 33 |
| Dwelling Number | 919 |
| Schedule | 176 |
| House Number | |
| House or Street Name | - |
| Surname | Forenames | Relationship | Marital Status | Sex | Age | Occupation | Nationality | Birth County | Birth Place | Disability | Notes |
| THOMAS | John | Head | M | M | 51y | Copper Miner | Devon | Beeralston | |||
| the person found in your search THOMAS | Margaret | Wife | M | F | 53y | Wales | - | ||||
| THOMAS | John | Son | S | M | 20y | Copper & Tin Miner | Cornwall | Tywardreath | |||
| THOMAS | Robert | Son | S | M | 19y | Engine Worker | Cornwall | Tywardreath | |||
| THOMAS | Sarah | Dau | S | F | 17y | Milliner | Cornwall | Tywardreath | |||
| THOMAS | Margaret | Dau | - | F | 13y | Scholar | Cornwall | St Blazey |