| Last Name | First Name | Birth Date | Death Date | Residence Location | SSN | Issued |
| BLACKBURN | HAZEN | Oct 27, 1901 | Jul, 1978 | Keosauqua, Iowa, 52565 | 478-38-0587 | |
| BLACKBURN | HUGH B | Sep 24, 1899 | Sep 4, 1988 | Keosauqua, Iowa, 52565 | 479-42-6975 | |
| BLACKBURN | LUCY | Nov 13, 1898 | Sep, 1974 | Keosauqua, Iowa, 52565 | 483-40-1179 | |
| BLACKBURN | ROBERT J | Sep 18, 1923 | Jul 11, 1997 | Keosauqua, Iowa, 52565 | 479-20-4442 |