Compiled by Carl Wayne Gray
- 1818
| Duff, David Dryden | |
| B: | 20 Dec 1794 |
| D: | 27 Jun 1868 |
| Edmondson, Mary D. | |
| B: | 8 May 1800 |
| D: | 23 Dec 1865 |
| Duff, Sarah J. | |
| B: | 11 May 1836 |
| D: | 8 Aug 1842 |
| Duff, Richard F. | |
| B: | 28 Oct 1840 |
| D: | 6 Jun 1894 |
| Manker, Mary Elizabeth | |
| B: | 12 Jan 1848 |
| Ohio | |
| M: | 28 Oct 1868 |
| D: | 20 Mar 1932 |
| Duff, Rebecca M. | |
| B: | 28 Oct 1840 |
| D: | 3 Aug 1845 |
| Duff, Naomi Caroline | |
| B: | 5 Sep 1843 |
| Maysville, Pike County, Illinois | |
| D: | 22 Feb 1919 |
| St. Louis, St. Louis County, Missouri | |
| Figg, Joseph Butler | |
| B: | 15 Mar 1840 |
| Shelbyville, Shelby County, Illinois | |
| D: | 13 Oct 1910 |
| Clay City, Clay County, Illinois | |
| Duff, Nathaniel Harvey | |
| B: | 1808 |
| Virginia | |
| D: | 1885 |
| Illinois | |
| Apperson, Margaret K. | |
| B: | 16 Mar 1811 |
| Virginia | |
| M: | 25 Sep 1832 |
| Maysville, Clay County, Illinois | |
| D: | 2 Apr 1857 |
| Illinois | |
| Duff, Albert Harvey | |
| B: | 16 Dec 1873 |
| Clay County, Illinois | |
| D: | 14 Jan 1935 |
| Flora, Clay County, Illinois | |
| Herron, Mary Lillian | |
| B: | 23 Jul 1874 |
| Clay City, Clay County, Illinois | |
| M: | 1894 |
| Clay County, Illinois | |
| D: | 23 Oct 1921 |
| Clay City, Clay County, Illinois | |
| Babbs, Sarah | |
| B: | 26 Jul 1851 |
| Indiana | |
| M: | 20 Oct 1872 |
| D: | 20 Jan 1878 |
| Illinois | |
| Duff, Samuel | |
| D: | 1818 |
| Washington County, Virginia | |
| ?, Barbara | |
| D: | 1812 |
| Washington County, Virginia | |
I strive to document all my sources . If you have something to add, please let me know.
