| Name | Birth Year | Birth Place |
| Charles T Mason | 1870 | Castle Eden, Durham, England |
| Constance M Mason | 1903 | Harrogate, Yorkshire, England |
| Edith M Mason | 1872 | London, England |
| Ernest Mason | 1913 | Armley, Yorkshire, England |
| Evelyn Mason | 1907 | Armley, Yorkshire, England |
| Reginald Mason | 1905 | Armley, Yorkshire, England |
| Address | Unknown |
| Parish | Leeds |
| Registration District | Leeds |
| County | Yorkshire (West Riding) |
Source: findmypast - 1921 Census