| Name | Cemetery | County | Updated |
| KOST, Katherina | Petersburg Cemetery | Yankton | 2015-08-15 05:00:17 |
| KOST, Otto | Petersburg Cemetery | Yankton | 2015-08-15 05:00:17 |
| KOST, Otto R. | Petersburg Cemetery | Yankton | 2015-08-15 05:00:17 |
| KOST, William | Petersburg Cemetery | Yankton | 2015-08-15 05:00:17 |