| MAEDER | ||
| Alice | born Abt 1904, Pennsylvania | |
| Elizabeth | born Abt 1918, Pennsylvania | |
| Emma | born Abt 1904, Pennsylvania | |
| George | born Abt 1920, Pennsylvania | |
| Henry | born 17 Sep 1888, McKeesport, Allegheny, PA | died 1962 |
| James | born 30 Jan 1915, Pennsylvania | died Aug 1966, Aliquippa, Beaver, PA |
| John | born Abt 1860 | |
| John | born Abt 1892, Pennsylvania | |
| Margaret | born Abt 1894, Pennsylvania | |
| Matilda | born Abt 1899, Pennsylvania | |
| Walter | born 15 Oct 1921, Pennsylvania | died 14 Jun 1994, Aliquippa, Beaver, PA |
| MALSCIK | ||
| Anna | ||
| MALSON | ||
| Leo | born 18 Dec 1887 | died 22 Apr 1969, McKeesport, Allegheny, PA |
| MASER | ||
| Albert | born Abt 1902, Pennsylvania | |
| Philipp | born Abt 1866, Germany | |
| MATHIEU | ||
| Bertha | born Oct 1864, Germany | |
| MAYER | ||
| Mary | ||
| MCCURRY | ||
| Clyde Harold | born 17 Aug 1921, Cleveland, Cuyahoga, OH | died 16 Sep 1955, McKeesport, Allegheny, PA |
| MCGOWN | ||
| Pearl | ||
| MCKEETA | ||
| Frances | ||
| John | born Abt 1890, Pennsylvania | |
| John F. | born 14 Mar 1915, McKeesport, Allegheny, PA | |
| Regis | ||
| Virginia | ||
| MCKEEVER | ||
| Kathryne | born 25 Oct 1906 | died 22 Mar 1973, McKeesport, Allegheny, PA |
| MCKENNA | ||
| Beatrice | born 6 Jan 1900, Pennsylvania | died Jun 1975 |
| MIDDLEMISS | ||
| Alvin E. | born 27 Aug 1915, Pennsylvania | died 21 Aug 1991 |
| Annabelle | ||
| Margaret | born 18 Feb 1919, Pennsylvania | died 12 Mar 1997 |
| Robert | born 2 Aug 1887, McKeesport, Allegheny, PA | died Feb 1973 |
| Robert | born Abt 1857, England | |
| Robert G. | born Abt 1914, Pennsylvania | |
| Thomas Sherman | born 26 Apr 1928, Pennsylvania | died 22 Dec 2006, Greensburg, PA |
| MILLIKEN | ||
| George H. | born Abt 1878, Pennsylvania | died 31 Jul 1947, Verona, PA |
| George Hollis | born 28 Jul 1907, Pennsylvania | died 2 Jan 1970, White Oak, PA |
| MOYER | ||
| Ernest | ||
| MÜLLER | ||
| Christian | ||
| Marie Friederike | born Dec 1821 | |
| MURCEK | ||
| Dr. Martin Aristark Sr. | born 10 Dec 1930 | died 16 Mar 2012, Phoenix, AZ |
| MURMANN | ||
| Wilson |