| James MACK (1781-1857) | & | Catherine GROWALL (1805-1884) |
| John MACK (1750-????) | & | Mary McBRIDE (????-1801) |
| John MACKEY (1802-1886) | & | Annie HEATHERINGTON (1804-????) |
| Harley Alvin MADOLE (1879-1940) | & | Anna Julianna NEITZLE (1884-1966) |
| John MAGEE (1784-????) | & | Sarah FRAMPTON (1785-????) |
| James MAGUIRE (1805-1860) | & | Catherine ROBINSON (1820-????) |
| Capt. Bradley MAHANA (1806-1874) | & | Catherine SEALS (1809-1875) |
| John MAHANNA (1778-1851) | & | Nancy MAHANNA (1784-1866) |
| Thomas MAIN (1831-1891) | & | Emily A. VAN VALKENBURG (1840-1926) |
| Francis James MALLON (1898-1965) | & | Genevieve Edith RAFFERTY (1901-1984) |
| Rueben Edward MANN (1873-????) | & | Emma OLMER (1876-????) |
| George W MANNERS (1824-1880) | & | Mary Jane GASTON (1827-1888) |
| Joseph MANNERS (1786-1864) | & | Jane HINDMAN (1786-1855) |
| George MARIS (1632-????) | & | Alice (????-????) |
| Jonathan MARIS (1791-1853) | & | Mary GARRETT (1796-1859) |
| Joseph MARIS (????-1758) | & | Ann SHIPLEY (1720-????) |
| Richard MARIS (1672-1745) | & | Elizabeth HAYES (1672-????) |
| Jonas Calvin MARKS (1874-1943) | & | Mary Malcena HUGHES (1871-1965) |
| Leonard MARKS (1839-1889) | & | Elizabeth NOEL (1842-1926) |
| Thomas MARKS (1795-1865) | & | Anna Mary CARPER (1804-1891) |
| George MARSHALL (1845-1880) | & | Jane Adeline GOOD (1850-1908) |
| Christian MARTIN (1797-????) | & | Lydia (1807-1883) |
| James C. MARTIN (1835-1910) | & | Susan McCOY (1837-1915) |
| Joseph E. MARTIN (1832-1901) | & | Susan H. BRINSER (1829-1903) |
| Joseph MARTINCIC (1875-1907) | & | Ursula REPOVSH (????-1924) |
| Henry A. MARTZ (1831-1925) | & | Sarah E. HARNER (1843-1891) |
| Earnest Frederick MATHAY (1882-????) | & | Margretta KING (1888-1955) |
| Jesse MATTHEWS (1769-1869) | & | Elizabeth 'Betsy' CALHOUN (1786-1833) |
| Daniel MAURER (1778-1857) | & | Elizabeth (1780-1864) |
| Solomon MAURER (1816-1891) | & | Lydia CROUSE (1838-1895) |
| Alexander Hamilton MAXWELL (1836-1885) | & | Mary Jane HINDMAN (1842-1914) |
| Andrew Mowery MAXWELL (1840-1915) | & | Martha Jane KITZMILLER (1848-1915) |
| Samuel MAZE (1788-1875) | & | Isabella STEPHENSON (1788-1839) |
| Francis McBRIDE (????-????) | & | Katherine CURRY (1857-1940) |
| Charles McCLAFFERTY (1831-1896) | & | Ellen CLARK (1835-1907) |
| Joseph Benson McCLAIN (1819-1888) | & | Lucinda BETTERTON (1831-1924) |
| William McCLAIN (????-????) | & | unknown (????-????) |
| James McCLINCY (1782-1864) | & | Mary BARRETT (1787-1883) |
| Michael Francis McCLOSKEY (1866-1944) | & | Mary Elizabeth TRAINOR (1867-1945) |
| David McCLURE (1726-1796) | & | Jane McCORMICK (????-1780) |
| Christopher McCOLLISTER (1824-1880) | & | Mary E. HILL (1837-1880) |
| Charles Norris McCOY (1827-1908) | & | Martha Ellen BELL (1825-1889) |
| James McCREARY (1789-1871) | & | Mary HOLT (1790-1831) |
| James McCREARY (1789-1871) | & | Rachel Westbrook COLE (????-????) |
| James McCREARY (1789-1871) | & | Margaret CLAPP (????-????) |
| James McCURDY (1783-1814) | & | Rachel TALBOT (1783-1814) |
| Joseph P McDONALD (1843-????) | & | Sarah Ann HAVERLY (1847-1897) |
| Andrew McDOWELL (1879-1923) | & | Priscilla Louise LILLY (1886-1966) |
| Samuel McGARR (1800-1849) | & | Mary Ann PINKERTON (1806-1859) |
| Thomas McGEEHAN (1877-????) | & | Ruth SULLVIAN (????-????) |
| Jasper Roderic McGINNIS (????-1815) | & | Jane ARMSTRONG (????-????) |
| Samuel McGRATH (1824-1894) | & | Jane ATCHISON (1833-1897) |
| Joseph McGUIRE (1886-????) | & | Ida WISHART (1884-1963) |
| Joseph F. McKEE (1849-1918) | & | Anna Margaret SHEPHERD (1851-1939) |
| Samuel McKEE (????-1780) | & | Margaret VEASY (????-????) |
| William Augustus McKENRICK (1863-1905) | & | Elizabeth Jane 'Eliza' RAFFERTY (1863-1890) |
| William Augustus McKENRICK (1863-1905) | & | Mary Ellen LINES (1863-1945) |
| Daniel McKEOWN (1790-????) | & | Bridgett CORRIGAN (1790-1866) |
| Daniel Harry McKEOWN (1846-1922) | & | Mary Ann SHIELDS (1850-1930) |
| William McKINLEY (1752-1812) | & | Mary (????-????) |
| Judge Robert McKINNIS (1777-1863) | & | Elizabeth CRINER (1777-1845) |
| Joseph McMILLAN (????-????) | & | Annie BAKER (????-????) |
| Samuel McMULLEN (????-1825) | & | Ella BAXTER (????-????) |
| Peter McQUILLEN (1863-1912) | & | Annie C (????-1953) |
| Jacob MECK (????-????) | & | Margareta NIES (????-????) |
| Johann MECK (1799-1862) | & | Elizabeth (????-1846) |
| George W. MEILY (1846-1931) | & | Emily "Emma" C. PINKERTON (1842-1890) |
| George W. MEILY (1846-1931) | & | Lillian Alfonsa BOWERS (1862-1945) |
| Duffey M. MELLOTT (1900-1988) | & | Cleo BARD (1900-1999) |
| Melvin H. MELLOTT (1912-1940) | & | Nettie Henretta DESHONG (1916-2002) |
| Adam MENGES (1807-1854) | & | Elizabeth BURKHART (1806-1893) |
| Amos MERCER (1755-1816) | & | Mary BARNES (1756-????) |
| Joseph MERCER (1731-1758) | & | Jane SWAYNE (1733-????) |
| John Jerimiah MERRILL (1808-1887) | & | Almira WHELPLEY (1806-1881) |
| Henry MERRYMAN (1833-1907) | & | Christina WOLBERT/WOOLBERT (1840-1928) |
| Adam W. METZGER (1846-1874) | & | Permelia S. TAYLOR (1849-1931) |
| Jacob Daniel METZGER (1854-1884) | & | Sarah FAHRINGER (1854-1936) |
| John Christian MEYER (1871-1931) | & | Susanna WANDFLUH (1872-1901) |
| John Christian MEYER (1871-1931) | & | Emilie WANDFLUH (1878-????) |
| Phillip MEYER (1836-1877) | & | Mary Anna KELLER (????-????) |
| Robert MICKEY (1800-1850) | & | Sarah BEDINGER (1806-1890) |
| George John MIHLEDER (1862-1936) | & | Elizabeth SCOTT (1878-1960) |
| Augustus MILLER (1842-1919) | & | Mary Anna EBERHART (1845-1901) |
| David Grant MILLER (1864-1930) | & | Ella Bell HUNTER (1870-1905) |
| Elijah MILLER (1836-1903) | & | Carolina Eliza TREXLER (1845-1925) |
| George MILLER (1794-1880) | & | Maria Magdelina STARTZEL (1804-1880) |
| George F. MILLER (1834-1907) | & | Amelia B. ANGSTADT (1834-1914) |
| Harvey George Washington MILLER (1870-1942) | & | Louisa S. ZUBER (1865-1944) |
| Henry MILLER (1788-1871) | & | Susanna (1793-1867) |
| Henry A. MILLER (1813-1841) | & | Sarah (????-????) |
| Isaac MILLER (1830-1885) | & | Mary Jane MORELAND (1830-1862) |
| Isaac MILLER (1830-1885) | & | Roseanna SNYDER (1836-1879) |
| James Edward MILLER (1890-1945) | & | Sarah Edith HAWN (1890-1967) |
| John MILLER (1766-1853) | & | ? (1770-1848) |
| John MILLER (1783-1860) | & | Catherine MOORE (1798-1860) |
| John MILLER (????-????) | & | ? (????-????) |
| John Calvin MILLER (1840-1912) | & | Ann HERSHEY (1844-1928) |
| John Ferdinand MILLER (1843-1903) | & | Rhoda Ann LYON (1848-1939) |
| William MILLER (1755-1820) | & | Sarah (1755-1820) |
| Alexander MITCHELL (1842-????) | & | Marion DUNCAN (1841-????) |
| George MITCHELL (????-????) | & | Martha FULTON (????-????) |
| Robert Duncan MITCHELL (1878-1939) | & | Helen Christy BARCLAY (1878-1969) |
| William MITCHELL (1820-1889) | & | Janet ALISON (1821-1855) |
| Ernst MOLLENHAUER (1770-1839) | & | Margaret SPENGLERN (1786-1870) |
| Lawrence MONAHAN (1854-1939) | & | Ida Ann HARSHMAN (1869-1942) |
| Charles MONROE (1810-1898) | & | Philinda (1815-1897) |
| William R. MOONEY (1825-1902) | & | Mary Charlotte HENRY (1826-1894) |
| Ezra Allen MOORE (1826-1892) | & | Mary WRIGLESWORTH (1824-1868) |
| George Ward MOORE (1873-1954) | & | "Maggie" McCARTNEY (1876-1929) |
| John Wriglesworth MOORE (1857-1930) | & | Sarah M BURGIN (1859-1939) |
| William A MOORE (1852-1942) | & | Frances Louisa BURGIN (1860-1946) |
| William S. MOORE (1841-1910) | & | Sarah J. McCRARY (1845-1898) |
| Sidney MORFORD (1822-1902) | & | Catherine CROW (1826-1874) |
| Lyghtle MORGAN (1814-1885) | & | Susanna ROMIGH (1823-1910) |
| Thomas Gale MORGAN (1870-1917) | & | Catherine Beatrice GILMORE (1875-1965) |
| David MORRIS (1820-1893) | & | Anna THOMAS (1822-1900) |
| John MORRISON (1840-1900) | & | Winefred BERGIN (1843-1889) |
| Lemuel Webb MORSE (1837-1936) | & | Priscilla STEVENS (1846-1913) |
| Pete MOSKEL (1912-1996) | & | Anne SILINSKEY (1913-2009) |
| Hans Michael MOUSER (1707-????) | & | Agathia GOMMINGER (1710-????) |
| Jasper Henry MOYLAN (1809-1854) | & | Mary MYERS (1804-1886) |
| Joseph McK MOYLAN (1842-1911) | & | Lydia Louisa WILSON (1844-1912) |
| Robert W. MUCK (1842-1917) | & | Susan KOHL (1840-1926) |
| James Harvey MULLEN (1809-1890) | & | Anna WATSON (1808-1890) |
| Andrew MUMAW (1783-1858) | & | Elizabeth FREED (1785-1866) |
| George Daniel MUMMA (1890-1942) | & | Blanche Goldie KELSO (1899-1954) |
| Henry MURPHY (1749-1826) | & | Susan FOSTER (1754-1843) |
| James MUSGROVE (????-????) | & | Hannah COX (????-????) |
| James MUSGROVE (1742-1824) | & | Ann (????-????) |
| Thomas MUSGROVE (1740-1794) | & | Christian (????-????) |
| John Toner MYERS (1850-1937) | & | Sarah A. COOK (1844-1937) |
| Solomon MYERS (1826-1792) | & | Elizabeth (1795-1871) |
| Daniel Charles MYRICK (1819-1894) | & | Anne Priscilla EACOTT (1827-1917) |
