| Name | Relationship with Thomas Marsteller | Civil | Canon |
| Marsteller, Wallace | 2nd cousin once removed | VII | 4 |
| Marsteller, Walter J. | 2nd cousin once removed | VII | 4 |
| Marsteller, Wanda | 2nd cousin once removed | VII | 4 |
| Marsteller, Wayne | 4th cousin | X | 5 |
| Marsteller, Werden | Granduncle | IV | 3 |
| Marsteller, William | 2nd cousin 4 times removed | X | 7 |
| Marsteller, William | Grandfather | II | 2 |
| Marsteller, William D. L. | 1st cousin 3 times removed | VII | 5 |
| Marsteller, William Harold | 3rd cousin | VIII | 4 |
| Marsteller, William Henderson | Great-grandfather | III | 3 |
| Marsteller, William Richard | Nephew | III | 2 |
| Marsteller, William Russell | Grandnephew | IV | 3 |
| Marsteller, William Samuel | Father | I | 1 |
| Marteney, Mary | Wife of the 3rd great-granduncle | | |
| Mary | Grandmother | II | 2 |
| Mathews, Mary (Molly) | Wife of the 2nd great-granduncle | | |
| Maxwell, Andrew | Granduncle | IV | 3 |
| Maxwell, Dollthea | Grandmother | II | 2 |
| Maxwell, Elizabeth | Grandaunt | IV | 3 |
| Maxwell, Florence | Grandaunt | IV | 3 |
| Maxwell, Jennie | Grandaunt | IV | 3 |
| Maxwell, Laura | Grandaunt | IV | 3 |
| Maxwell, Lena | Grandaunt | IV | 3 |
| Maxwell, Sadie | Grandaunt | IV | 3 |
| Maxwell, Samuel | Great-grandfather | III | 3 |
| Maxwell, Thomas | Granduncle | IV | 3 |
| Mayer, Katherin | 2nd cousin once removed | VII | 4 |
| Mayer, Kurt | 2nd cousin once removed | VII | 4 |
| Mayer, Margretha | Wife of the 4th great-granduncle | | |
| Mayer, Marylyn | 2nd cousin once removed | VII | 4 |
| Mayer, Walter | Husband of the 2nd cousin | | |
| Mayers, Andrew | Husband of the 2nd great-grandaunt | | |
| McBride, James | Husband of the 1st cousin 3 times removed | | |
| McClean, Daniel | Husband of the 3rd great-grandaunt | | |
| McCormick, Ella | Wife of the 3rd cousin once removed | | |
| McCullough, ? | Husband of the 3rd cousin once removed | | |
| McCullough, Geraldine | 4th cousin | X | 5 |
| McElroy, David | Husband of the 4th cousin | | |
| McElroy, David, Jr. | 4th cousin once removed | XI | 6 |
| McElroy, Nancy | 4th cousin once removed | XI | 6 |
| McGeehon, Myrna | Wife of the 2nd cousin once removed | | |
| McGilvay, Mary Ellen | 2nd cousin | VI | 3 |
| McGilvay, William Howard | Husband of the 1st cousin once removed | | |
| McQuiston, Caroline | Wife of the 2nd cousin twice removed | | |
| Mildred | Wife of the 3rd great-granduncle | | |
| Miles, Beva A. | Wife of the 2nd cousin once removed | | |
| Miller, Mildred | Wife of the 2nd cousin once removed | | |
| Moore, Alice Jane | Wife of the 1st cousin 3 times removed | | |
| Moore, Arthur Victor | 2nd cousin | VI | 3 |
| Moore, Linda Ruth | 2nd cousin | VI | 3 |