| Father | John D Costner (b. March 1862) |
| Mother | Nannie Clara Martin (b. December 1868, d. 31 January 1926) |
| Pedigree Chart | |
| Included in charts - lists | Martin - Descendants of Samuel Martin b. 1732 |
| Relationship | 3rd cousin 4 times removed of Carol Jay Gilstrap 3rd cousin 6 times removed of Isaac Silas Vaughn 3rd cousin 6 times removed of Katherine Gilstrap Scott 3rd cousin 6 times removed of Joseph Ryland Scott 3rd cousin 6 times removed of Charles Parker ("Parker") Scott 3rd cousin 6 times removed of Orly Marie Vaughn 3rd cousin 6 times removed of Avital Catherine Vaughn |
| Birth | 14 March 1902 | Maggie M Costner was born on 14 March 1902 in South CarolinaBG. |
| Death | 31 March 1988 | She died on 31 March 1988 at age 86 in Harris, Texas, United StatesBGO. |
| Last Edited | 3 September 2020 |