Status: No longer exists as a named location, but can be identified on the ground.
There were 20 places in the hundred of Threo in Domesday Book.
| Name | Households |
|---|---|
| Welby | 57 |
| Barkston | 54 |
| Honington | 44 |
| Syston | 38 |
| Londonthorpe | 36 |
| Ropsley | 31 |
| Wilsford | 31 |
| Heydour | 28 |
| Belton | 26 |
| Oasby | 21 |
| Boothby [Pagnell] | 19.5 |
| Braceby | 18 |
| Harrowby | 18 |
| [Great and Little] Humby | 17 |
| Sapperton | 17 |
| [Old] Somerby | 16.5 |
| Towthorpe | 16 |
| Dunsthorpe | 14 |
| Aisby | 11 |
| Westhorpe | 10 |