| Name | Birth Year | Birth Place |
| Annie Mabel Thorncroft | 1887 | Northamptonshire, England |
| Cecil Edwin Garcogw Thorncroft | 1910 | Warwickshire, England |
| Douglas Gerald Thorncroft | 1915 | Adderbury, Oxfordshire, England |
| Joan Mary Thorncroft | 1920 | Adderbury, Oxfordshire, England |
| Louis Thorncroft | 1888 | Harbury, Warwickshire, England |
| Address | Unknown |
| Parish | East Adderbury |
| Registration District | Banbury |
| County | Oxfordshire |
Source: findmypast - 1921 Census