| Oliver MAINWARING (1553-1655) | & | Margaret TORBOCK (????-????) |
| Hamilton MAJOR (1791-1849) | & | Charity OPDYKE (1802-1881) |
| Konrad [Conrad] MANN (1832-1904) | & | Rachel Virginia FLATER (1834-1902) |
| Francis "Frank" MARSHALL (1854-1929) | & | Latisha GUMBY (????-????) |
| Francis "Frank" MARSHALL (1854-1929) | & | Irene COLLINS (1868-1924) |
| Walter MARTIN (1923-1999) | & | Mary Laura Janet SMITH (1925-2003) |
| John Charles MATTHEWS (1835-1915) | & | Harriet Elizabeth HARPER (1835-1924) |
| Thomas MATTINGLY (1853-1908) | & | Elizabeth L. (1867-????) |
| John McCAULEY (1788-1872) | & | Sarah EVERETT (1789-1869) |
| Charles McLEANE (1789-1863) | & | Julia Ann EICHELBERGER (1808-1870) |
| Patrick MEAGHER (1802-1880) | & | Mary RYAN (1811-1880) |
| Philip Thomas MEAGHER (1848-1924) | & | Sarah Elizabeth Potter (1855-????) |
| Samuel H. MENTZER (1822-1901) | & | Julian HARTMAN (1821-1892) |
| John MERRYMAN (-1843) | & | Catherine HAMMOND (1797-1870) |
| Clarence William METCALF (1862-1941) | & | Emma Victoria TRACEY (1866-1941) |
| Raphael Alexander "Rafe" MIDDLETON (1831-1864) | & | Emily Teresa BOONE (1842-1916) |
| Vivian Marion "Vive" MIDDLETON (1863-1908) | & | Lillian May "May" LANHAM (1875-1971) |
| Richard T. MILES (1854-1933) | & | Mary E. SEWELL (1858-1914) |
| Ellis Clyde MILLER (1886-1962) | & | Dorothy E. ROLLINS (????-????) |
| John MILLER (1869-1936) | & | Mary E GLOCK (1867-1948) |
| John Henry MILLER (1849-????) | & | Adrianna P STRICKLEN (1848-????) |
| William C. MILLER (1826-1894) | & | Cordelia J. PRICE (1830-????) |
| Thomas MILLS (1784-1854) | & | Emma/Amy (1808-1900) |
| William Wrightson MILLS (1822-1891) | & | Rebecca DEAN (1824-1898) |
| Chalmer Hyatt MODLIN (1858-1929) | & | Emily J. MYERLY (1850-1914) |
| Robert Canady MONGAN (1854-1918) | & | Emma S. WOLFORD (1857-1932) |
| Thomas Wesley MOODY (1816-1889) | & | Elizabeth Ann ROBINSON (1825-1899) |
| Patrick MORAN (1820-1887) | & | Margaret HUGHES (1826-1875) |
| John Ward MORGAN (1809-1891) | & | Mary Walmsely GALE (1813-1886) |
| Thomas Gale MORGAN (1833-1883) | & | Cleonia A. FOLS (1840-????) |
| Thomas Gale MORGAN (1870-1917) | & | Catherine Beatrice GILMORE (1875-1965) |
| David MORROW (1715-1795) | & | Mary (1715-1795) |
| Heinrich MUELLER (1834-????) | & | Elizabeth Barbara STEINMATZ (1834-????) |
| Michael MUELLER (????-????) | & | Maria Barbara SCHAFFNER (????-????) |