| Name | Event | Date | Location |
|---|---|---|---|
| Duncan Municipal Cemetery | Cemetery | ||
| Iola Helen Guest | death | 1937-09-28 | Stephens County, Oklahoma |
| John Standhope McCarver Mathes | death | 1941-00-00 | Stephens County, Oklahoma |
| John McConnell Mathes | death | 2002-10-12 | Stephens County, Oklahoma |