| Mary Kathryn (Hagenbuch) Taylor | 7 May 1928 | 6 Apr 2015 |
| Mary Lee Hagenbuch | | |
| Mary Louise (Graham) Hagenbuch, Hagen | 6 Dec 1917 | 19 Oct 1968 |
| Mary Lucy (Hagenbuch) Wells | 5 Oct 1883 | 26 Jun 1971 |
| Mary M. (Hagenbuch) Audenried | 17 Mar 1809 | 5 May 1877 |
| Mary Magdalene (Keller) Hagenbuch | 11 Oct 1814 | 12 Aug 1889 |
| Mary Magdaline (Hagenbuch) Hess | 25 Dec 1799 | 1 Jul 1870 |
| Mary "Mae" Margaret (Schneider) Hagenbuch | 13 May 1894 | 1 Oct 1977 |
| Mary Rachel (Hagenbuch) Creasy | 19 Jan 1833 | 11 Jun 1910 |
| Mary Ann Lindner Hagenbuch | 3 Aug 1892 | 12 Apr 1896 |
| Marybelle Emma (Hagenbuch) Noll | 7 Jan 1933 | 23 Sep 1991 |
| Mason Glenn Hagenbuch | 6 Feb 2009 | |
| Matilda (Hagenbuch) Scales | 30 Nov 1836 | 20 Jun 1913 |
| Matilda S. (Hagenbuch) Fink | 15 Feb 1835 | 21 Nov 1892 |
| Matilda Teresa (Coughlin) Hagenbuch, Barton | 27 Sep 1871 | 25 Nov 1967 |
| Matthew Hagenbuch | | |
| Matthias Hagenbuch | 8 Nov 1730 | |
| Mattie Melinda (Pennypacker) Hagenbuch | 1893 | |
| Maude I. (Shipman) Hagenbuch | 1871 | 6 Jul 1958 |
| Maude Louisa (Hagenbuch) Harback | 28 Feb 1891 | 3 Aug 1976 |