| Madron, Wealthy married Hiram Wees in Allen County on 1-11-1830 |
| Magner, Hannah married William Rodenbeck in Allen County on 12-20-1849 |
| Mahoney, Daniel married Margaret Clark in Allen County on 2-14-1847 |
| Mahoney, John married Ellenor Obrien in Allen County on 2-16-1839 |
| Maier, Otis W. married Harriet Bennett in Allen County on 11-22-1840 |
| Mailand, Charles married Dina Berning in Allen County on 11-17-1843 |
| Main, Delila married Austin Hunt in Allen County on 6-24-1849 |
| Main, Ezekiel married Mary Johnson in Allen County on 5-29-1849 |
| Main, Jesse married Malinda Smith in Allen County on 8-5-1849 |
| Maine, Mary Jane married George Platton in Allen County on 3-18-1841 |
| Mair, Clarissa married John Irving in Allen County on 7-23-1840 |
| Maison, John married Amelia N. Nicholas in Allen County on 12-4-1849 |
| Majors, Robert married Ellen E. Owens in Allen County on 11-16-1846 |
| Mallott, David married Nancy Ann Ball in Allen County on 5-12-1844 |
| Malone, Lawrence married Ann Summers in Allen County on 12-28-1837 |
| Maloney, James married Mary Romy in Allen County on 9-4-1837 |
| Maloney, Maria married James Ohara in Allen County on 23-15-1848 |
| Maloney, Patrick married Mary Cushing in Allen County on 12-7-1836 |
| Maloney, Patrick married Catherine Welsh in Allen County on 7-30-1840 |
| Maloney, Peter married Elizabeth Weisburg in Allen County on 4-20-1850 |
| Mann, John married Jane Orr in Allen County on 5-15-1848 |
| Manning, Elizabeth married Levi Swartz in Allen County on 9-23-1849 |
| Manning, Emeline married John E. Lemmon in Allen County on 8-25-1847 |
| Manning, James married Caroline Furrow in Allen County on 12-21-1843 |
| Manning, Lavina married Weeks in Allen County on 3-21-1839 |
| Manning, Lucinda married Jeptha Wallburn in Allen County on 2-27-1835 |
| Manning, Nancy married Dennis Dove in Allen County on 6-16-1844 |
| Manning, Sarah married Janes Clark in Allen County on 7-7-1835 |
| Manning, Sarah E. married George W. Watson in Allen County on 3-8-1849 |
| Manning, Susana married John Pette in Allen County on 10-15-1832 |
| Manning, William married Eliza Murray in Allen County on 4-18-1839 |
| Mapes, Matilda married Thomas Dalman in Allen County on 11-21-1838 |
| Mapes, Mercy L. married John Clear in Allen County on 3-21-1839 |
| Mapes, Reuben married Sarah Singman in Allen County on 11-16-1836 |
| Maples, Mary L. married Augustus C. Bearns in Allen County on 8-24-1848 |
| Marcellus, Sarah married Samuel Lindley in Allen County on 6-13-1842 |
| March, Christopher married Elizabeth Felger in Allen County on 9-21-1848 |
| Marian, Anzi married Margaretta Miller in Allen County on 2-3-1838 |
| Marian, Eunice married Peter Coville in Allen County on 3-17-1825 |
| Markel, Ann married John Jr Hough in Allen County on 1-23-1850 |
| Marquardt, Elizabeth married Jacob Flack in Allen County on 11-21-1850 |
| Marquart, Catherine married Samuel H. Whitaker in Allen County on 8-15-1841 |
| Marquart, Gertrude married Jacob Whitaker in Allen County on 12-26-1839 |
| Marquette, Frederick B. married Anna Maria Whitaker in Allen County on 12-25-1845 |
| Marquis, Isaac married Patsy Holman in Allen County on 2-21-1830 |
| Marsh, Isaac married Miranda King in Allen County on 6-2-1843 |
| Marsh, Lucinda Jane married Major Griffin in Allen County on 6-10-1835 |
| Marsh, William S. married Charlotte Fairfield in Allen County on 8-28-1845 |
| Martin, Ann Mary married Henry C. Castleman in Allen County on 3-9-1844 |
| Martin, James married Sarah Byler in Allen County on 1-30-1849 |
| Martin, James M. married Susan E. Mcdougal in Allen County on 6-11-1850 |
