| Name | Cemetery | County | Updated |
| MASON, John H. | Garden of Memories-Yankton Cemetery | Yankton | 2015-08-15 05:16:03 |
| MASON, Julia S. | Yankton Municipal Cemetery | Yankton | 2015-08-15 05:16:03 |
| MASON, Margaret E. | Garden of Memories-Yankton Cemetery | Yankton | 2015-08-15 05:16:03 |