Alabama very early Marriages
| Grooms | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Brides | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
| Oaks, James W. | Blantern, Nancy | 26 Oct 1823 | Blount |
| Oaks, Jason | Gandy, Elizabeth | 19 Jun 1824 | Morgan |
| Oaks, Laban | Stapp, Sarah | 15 Aug 1823 | Jefferson |
| Obannon, Sampson | Obannon, Elizabeth | 6 Feb 1823 | Jefferson |
| Obryant, Brandon | McAlister, Rebecca | 17 Jun 1824 | Lauderdale |
| Odell, James | Marks, Jane | 3 Aug 1820 | Lauderdale |
| Oden, John | Ward, Biddy | 25 Mar 1823 | Bibb |
| Oden, John H. | Welch, Clarinda | 26 Dec 1825 | Morgan |
| Oden, Lewis | Junkins, Rosannah | 26 Feb 1822 | Morgan |
| Odum, William H. | Hussey, Mary | 23 Nov 1824 | Madison |
| Odum, William H. | Mahan, Nelly | 8 Jul 1819 | Dallas |
| Ogburn, Alexander | Hoglun, Peggy | 31 Mar 1823 | Blount |
| Ogburn, Harrison | Thaxton, Sally | 14 Mar 1825 | Montgomery |
| Ogden, Jesse | Coleman, Sarah | 22 Dec 1822 | Montgomery |
| Oglethorp, Thomas | Varner, Mary | 19 Sep 1825 | Marengo |
| Okes, Isaac | Martin, Anna | 18 Oct 1819 | Dallas |
| Oldham, Greenleaf | Nail, Sally | 24 Sep 1818 | Marengo |
| Olds, Jordan R. | Waller, Patsy | 16 Mar 1822 | Lawrence |
| Oliver, Alexander | Killough, Jane | 17 Jan 1822 | Jefferson |
| Oliver, Charley | Howard, Margaret | 4 Dec 1817 | Madison |
| Oliver, John | Weeden, Ruth Ann | 13 Jul 1820 | Madison |
| Oliver, Robert B. | Johnson, Sarah | 19 Sep 1819 | Lawrence |
| Oliver, Samuel R. | Bunkley, Jane | 11 Mar 1824 | Montgomery |
| Oliver, Theodorick | Martin, Betsey | 14 Feb 1820 | Dallas |
| Oneal, William | Hill, Sally | 3 May 1824 | Greene |
| Opry, George | Dees, Sally | 9 Jan 1818 | Clarke |
| Osbourn, Willis | Oakes, Lucy | 18 Apr 1822 | Perry |
| Osburn, Benjamin | Leeman, Patsy | 25 Jun 1820 | Madison |
| Osburn, Edwin J. | Duffey, Margaret | 12 Mar 1824 | Madison |
| Osburn, Ephraim B. | Smith, Nancy | 25 Jun 1818 | Madison |
| Osmatt, Simpson | Fulcher, Sarah | 18 Apr 1822 | Perry |
| Osment, Ervin | Arterbury, Sarah | 10 Jun 1820 | Dallas |
| Overall, Elias | Johnston, Charlotte | 24 Dec 1822 | Madison |
| Owen, George W. | Hollinger, Louisa L. | 21 Jun 1820 | Baldwin |
| Owen, Henry | Miller, Rebecca | 12 Jul 1822 | St. Clair |
| Owen, John | Pool, Sarah | 11 Nov 1824 | Wilcox |
| Owen, John | Smart, Delila Ann | 25 Dec 1825 | Madison |
| Owen, Jonathan L. | Steuart, Esther | 19 Jul 1821 | Morgan |
| Owen, Reuben | Holmes, Lydia | 18 Dec 1821 | Perry |
| Owen, Thomas | Williams, Dolly P. | 9 May 1823 | Tuscaloosa |
| Owen, William | Sanford, Nancy | 28 Dec 1820 | Madison |
| Owen, William P. | Glasgow, May | 17 Nov 1819 | Madison |
| Owens, Berry | Barnes, Anna | 4 Apr 1822 | Bibb |
| Owens, Elias C. | Mansfield, Emily G. | 10 Jun 1824 | Lauderdale |
| Owens, Hugh G. | Owens, Mary M. | 12 May 1825 | Wilcox |
| Owens, James H. | Easley, Lucy | 12 Dec 1818 | Lawrence |
| Owens, James or John | Norwood, Louisa | 4 Jan 1825 | Morgan |
| Owens, John | Morris, Mary | 11 Dec 1821 | Bibb |
| Owens, John | Whissenant, Cassey | 29 May 1822 | St. Clair |
| Owens, Johnathan | Mink, Nancy | 11 Oct 1822 | Shelby |
| Owens, Jonathan L. | McElderry, Cynthia W. | 25 Nov 1825 | Morgan |