| Generation 1 | |
| [1.01 2] George Pleas Mcmahen (1882-1882) | |
| Generation 2 | |
| [1.02 3] Walter Scott Mcmahen (1855-1950) | LA--LA- |
| [2.01* ] Permelia Sophia Green (1860-1938) | LA--LA- |
| Generation 3 | |
| [1.03 4] Matthew Pleasant McMahon (1829-1862) | TN-LA |
| [3.01* ] Mary Magadalanie Tretch (~1813-~1857) | |
| Generation 4 | |
| [1.04 5] Hugh Blair McMahan (1804-1880) | SC-AL-TN-LA-AR |
| [4.01 6] Elizabeth HOOD (1807-1857) | SC-AL-TN-LA |
| Generation 5 | |
| [1.05* ] David McMahen (~1775-~1828) | CE-TN-USA-TN-AL |
| [4.02* ] Mathew Hood, Sr. (1756-1821) | SC |
| [5.01* ] Sarah Unknown (~1780-) | CE-TN |
| [6.01* ] Mary Smith (1759-1824) | SC |
