| Last Name | First Name | Birth Date | Death Date | Residence Location | SSN | Issued |
| SYFERT | FLORENCE | Feb 23, 1906 | Nov 20, 1998 | Keosauqua, Iowa, 52565 | 483-60-9436 | |
| SYFERT | JAMES | Sep 19, 1881 | Mar, 1966 | Keosauqua, Iowa, 52565 | 482-20-0554 | |
| SYFERT | LOIS A | Feb 25, 1918 | Sep 15, 1992 | Keosauqua, Iowa, 52565 | 520-72-2992 | |
| SYFERT | MARTIN J | Aug 16, 1906 | Mar 2, 1995 | Keosauqua, Iowa, 52565 | 520-14-7512 |