There were 25 places in the hundred of Blachethorna in Domesday Book.
| Name | Tax paid | Households |
|---|---|---|
| Alford | 5 | 18 |
| Ansford | 5 | 12 |
| Babcary | 5 | 24 |
| Barton [St David] | 4.8 | 16 |
| Blackford | 5 | 25 |
| [Castle] Cary | 15 | 58 |
| Compton [Pauncefoot] | 6 | 24 |
| [East] Lydford | 4 | 15 |
| Foddington | 5.0 | 13 |
| Holton | 2 | 6 |
| Keinton [Mandeville] | 6.3 | 15 |
| Kingweston | 5 | 22 |
| Lattiford | 2 | 0 |
| Lovington | 6 | 22 |
| Maperton | 5 | 22 |
| [North and South] Barrow | 10 | 32 |
| [North] Cadbury | 7.3 | 25.5 |
| [Queen] Camel | 15 | 44 |
| South Cadbury | 1.7 | 3.7 |
| Sparkford | 5.3 | 22 |
| Steart | 2 | 6 |
| Sutton [Montis] | 5 | 14 |
| [West] Lydford | 9 | 26 |
| Weston [Bampfylde] | 9.4 | 33.5 |
| Wheathill | 3 | 2 |