| Mollering, Fredericka married Frederick Stelhorn in Allen County on 6-26-1845 |
| Molthorn, William married Maria Falsing in Allen County on 8-9-1846 |
| Mons, Martha married Benjamin Welbaum in Allen County on 3-14-1850 |
| Monschen, Peter F.E. married Margaret Gotton in Allen County on 7-30-1846 |
| Mood, Betsy married Harman Worthington in Allen County on 5-2-1850 |
| Mook, David married Mary Paul in Allen County on 10-13-1850 |
| Mook, John married Angeline Bennett in Allen County on 4-11-1850 |
| Moon Ey, Ellen married George Bosler in Allen County on 4-4-1841 |
| Mooney, Enos married Isabella Sites in Allen County on 3-24-2842 |
| Mooney, Joseph married Jane Herrick in Allen County on 6-23-1836 |
| Mooney, Sarah married Philemon Rundels in Allen County on 2-2-1840 |
| Moore, Andrew married Sarah Ann Dehaven in Allen County on 9-28-1843 |
| Moore, Joel H.B. married Eleanor Witz in Allen County on 1-11-1842 |
| Moore, John S married Phebe Depew in Allen County on 8-31-1845 |
| Moore, Julia F married George E Rose in Allen County on 9-22-1847 |
| Moore, Lucas married Magdelena Gunder in Allen County on 9-5-1843 |
| Moore, Margaret R married Robert Dorsey in Allen County on 6-3-1846 |
| Mooser, Roxa R married Lucien Matt in Allen County on 5-27-1835 |
| Moots, Peggy married Philip Lee in Allen County on 1-10-1843 |
| Morgan, Austin married Maria Strain in Allen County on 2-27-1839 |
| Morgan, Oliver P married Elizabeth Latz in Allen County on 12-26-1847 |
| Morney, Minerva married Humphrey Roberts in Allen County on 10-15-1837 |
| Morrell, Christian married Mary Revert in Allen County on 8-3-1843 |
| Morris, Joseph married Elizabeth Minnic in Allen County on 4-21-1842 |
| Morrison, Bridget married Joseph Rebadoux in Allen County on 10-22-1825 |
| Morrison, John S married Jane Carney in Allen County on 10-19-1848 |
| Morse, Samuel married Susan A Clark in Allen County on 7-24-1837 |
| Morse, William married Derliska Bracy in Allen County on 6-19-1849 |
| Moser, John married Catherine Smith in Allen County on 11-17-1850 |
| Moser, John married Catherine Smith in Allen County on 11-17-1850 |
| Mosher, Lucy married Walter Parker in Allen County on 2-22-1842 |
| Motherwell, Bridget married Peter Coil in Allen County on 4-3-1847 |
| Moutin, Mary Frances married Joseph Aubry in Allen County on 1-29-1850 |
| Moyer, Martha Ann married Jeremiah Gunder in Allen County on 1-2-1842 |
| Mudy, Ellenor married Howard Stanberry in Allen County on 9-1-1827 |
| Mul, Thomas married Sarah Eden in Allen County on 10-5-1850 |
| Muldoon, Charles married Catherine Drew in Allen County on 6-20-1846 |
| Muldoon, Henry married Jane Drew in Allen County on 2-28-1848 |
| Muller, Hofer married Elizabeth Carolus in Allen County on 9-12-1844 |
| Mulligan, Lewis married Jennie Pence in Allen County on 12-16-1845 |
| Munch, Jacob married Elizabeth Hauser in Allen County on 9-5-1850 |
| Munroe, Andrew married Sarah Harris in Allen County on 6-18-1849 |
| Munter, Clara married Frederick Witte in Allen County on 1-23-1842 |
| Murphy, John married Ann Gallivan in Allen County on 10-31-1842 |
| Murphy, John married Susan Kendle in Allen County on 9-10-1842 |
| Murphy, Lewis married Jane Tibbets in Allen County on 9-22-1831 |
| Murray, Eliza married William Manning in Allen County on 4-18-1839 |
| Murray, Elizabeth married Peter Timmons in Allen County on 9-20-1848 |
| Murray, Francis married Barbara Gray in Allen County on 1-18-1844 |
| Muschendorff, Theo married Catherine Weise in Allen County on 5-19-1846 |
| Musing, Sophia married Henry Hilbrecht in Allen County on 9-1-1849 |
