| David Crockett McMahan | > | Archibald D. McMahan | Mary Large | > |
| Gilbert R. 'Gib' McMahan | b 31 Mar 1817 | George McMahan | > | |
| | b 09 Jun 1851 | Rebecca F. McMahan | Susanah | ||
| George McKinley McMahan | d 28 Oct 1938 | b 1824 | ||
| |b 11 May 1900 | | | |||
| |d 23 Feb 1965 | Elizabeth 'Eliza' Manis | |||
| | | b 18 Oct 1867 | |||
| Lucille McMahan | d 23 Jan 1920 | |||
| |Ray Watson | | | |||
| | | | | |||
| Nancy Ellen King | ||||
| b 03 Jul 1903 | | | |||
| d 15 Feb 1981 | ||||
Source: Rosa Lee Downey notes, 16 June 1983, p 36.