| Last Name | First Name | Birth Date | Death Date | Residence Location | SSN | Issued |
| MATHESON | AILEEN E | Jun 29, 1917 | Apr 30, 1988 | Keosauqua, Iowa, 52565 | 479-54-9905 | |
| MATHESON | DONALD K | Jun 15, 1914 | Feb 4, 1999 | Keosauqua, Iowa, 52565 | 485-05-5753 | |
| MATHESON | HUGH | Aug 26, 1895 | Dec, 1977 | Keosauqua, Iowa, 52565 | 481-36-5082 |