| b 1854, | Archibald 'Redmond' McMahan | d 1891, | Archibald McMahan | McNulty |
| Redmond McMahan | b 1773 | George Byrd | ||
| | b 11 Jul 1795 | Elizabeth Byrd | Mary | ||
| Robert S. 'Robin' McMahan | b 1777 | |||
| |b 24 Jan 1822 | | | |||
| |d 07 Jan 1891 | Rebecca | |||
| | | b 1797 | |||
| Rebecca J. McMahan | d 1860 | |||
| | | | | |||
| | | | | |||
| Nancy | ||||
| b 04 Sep 1829 | | | |||
| d 26 Nov 1892 | ||||
Source: Rosa Lee Downey notes, 16 July 1983, p 9.