| Spouse 1 | Spouse 2 | Marriage Date | Mar. Book |
| O'BRIEN, Thomas | FIRESTONE, Hannah | 4 Sep 1842 | 1:168 |
| O'BRIEN, William M. | WAGONER, Eliza | 10 Nov 1842 | 1:184 |
| OLINGER, Jacob | TRITTLE, Mary Ann | 28 Nov 1844 | 2:81 |
| OSBORN, Jane | WRIGHT, Newel | 5 Oct 1848 | 3:43 |
| OURS, William | GOODING, Eliza Ann | 1 Dec 1849 | 3:92 |
| OUTCELT, Jacob | GUY, Harriett | 14 Nov 1841 | 1:141 |
Last Updated: 20 Sep 2000
/ Gene Andert / Fort Wayne, IN /