| Archibald McMahan | > | David Crockett McMahan | Elizabeth Byrd | > |
| McNulty McMahan | b 10 Oct 1796 | Samuel Large | > | |
| | b 19 Jun 1826 | Mary Large | Sarah 'Sallie' Gillian | ||
| Thomas Dearnold Wilson McMahan | d 31 May 1894 | b 12 Oct 1798 | Michael Rhinehart | |
| |b 13 Dec 1849 | | | John Rinehart | Leah | |
| |d 05 Oct 1921 | Leah Rinehart | b 1805 | Joseph Hill | > |
| | | b 17 Jan 1834 | Abigail Hill | Susannah McMinn | |
| William McNulty McMahan | d 05 Feb 1918 | William Trotter | ||
| | | John Trotter | | | William H. 'Billy' Trotter, Dr. | b 08 Dec 1777 |
| | | |b 26 Jul 1814 | Asa White | ||
| Melinda Caldona Trotter | d 14 Sep 1887 | b 23 Dec 1782 | Frederick Emert | > |
| b 18 Nov 1853 | | | Phillip Emert | Barbara Ann Neidig | > |
| d 16 Jul 1931 | Sarah Trigg Emert | b 17 Oct 1786 | Timothy Reagan | > |
| b 17 Apr 1819 | Elizabeth Reagan | Elizabeth Trigg | > | |
| d 08 Dec 1896 | b 04 Nov 1785 | |||
Source: 'McMahan Family Tree', Glenn F. McMahan, 10 March 1932, p 1. Rosa Lee Downey notes, 16 June 1983, p 45.