| Father | Albert Forbis McCain (b. 3 January 1893, d. September 1957) |
| Mother | Willie Alma Waggoner (b. 19 March 1898, d. 11 September 1984) |
| Pedigree Chart | |
| Included in charts - lists | Descendants of Alexander McCain (McKean) b. 1675 Descendants of Alexander McCain (McKean) b. 1752 Descendants of Arthur R E Forbis b. ca 1723 |
| Relationship | 2nd cousin 2 times removed of Charles Ryland ("Ryland") Scott 2nd cousin 4 times removed of Isaac Silas Vaughn 2nd cousin 4 times removed of Katherine Gilstrap Scott 2nd cousin 4 times removed of Joseph Ryland Scott 2nd cousin 4 times removed of Charles Parker ("Parker") Scott 2nd cousin 4 times removed of Orly Marie Vaughn 2nd cousin 4 times removed of Avital Catherine Vaughn |
| Birth | 6 December 1917 | Marvin Welton McCain was born on 6 December 1917 in Elliott, Wilbarger, Texas, United StatesBG. |
| Death | 9 October 1985 | He died on 9 October 1985 at age 67 in Los Angeles, Los Angeles, California, United StatesBGO. |
| Last Edited | 19 May 2022 |