| Place Name | Thornsett |
| Parish | New Mills |
| Grid Ref | SK0187 |
| Hundred | Europe |
| County | Derbyshire |
| Registration District | High Peak (1837-1838) |
| Hayfield (1838-1938) |
| Chapel-en-le-Frith (1938-1974) |
| High Peak (1974-) |
| Country | United Kingdom, England |
| Notes | Hamlet in New Mills parish |
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