| Name | Relationship with Steven Prater | Civil | Canon |
|---|
| Mercer, Lucy R. | Half 2nd cousin 4 times removed | X | 7 |
| Mercer, Martha E. | Half 2nd cousin 4 times removed | X | 7 |
| Mercer, Mary C. | Half 2nd cousin 4 times removed | X | 7 |
| Mercer, Minnie | Half 2nd cousin 4 times removed | X | 7 |
| Mercer, Nannie Elizabeth | Half 2nd cousin 4 times removed | X | 7 |
| Mercer, Thomas | Half 2nd cousin 4 times removed | X | 7 |
| Mercer, Willis | Half 2nd cousin 4 times removed | X | 7 |
| Merritt, John Tillman | Husband of the 1st cousin 3 times removed | | |
| Husband of the half 1st cousin 3 times removed | | |
| Metz, Roy Robert | Husband of the 2nd cousin twice removed | | |
| Meyer, Catherine | 4th cousin twice removed | XII | 7 |
| Meyer, Edward | Husband of the 3rd cousin 3 times removed | | |
| Meyer, Edward | 4th cousin twice removed | XII | 7 |
| Meyer, Helen | 4th cousin twice removed | XII | 7 |
| Meyer, John | 4th cousin twice removed | XII | 7 |
| Meyer, Mary Ann | 4th cousin twice removed | XII | 7 |
| Meyer, Virginia | 4th cousin twice removed | XII | 7 |
| Michell, Isabell | 13th great-grandmother | XV | 15 |
| Mielke, Frank John | Husband of the 1st cousin 3 times removed | | |
| Mielke, Inez Marion | 2nd cousin twice removed | VIII | 5 |
| Mielke, Iva Naomi | 2nd cousin twice removed | VIII | 5 |
| Mielke, Pearl Lucinda | 2nd cousin twice removed | VIII | 5 |
| Miller, Carl Ervin | Husband of the aunt | | |
| Miller, Esther Almira | Great-grandaunt | V | 4 |
| Miller, George Henry | 2nd great-grandfather | IV | 4 |
| Miller, Gertrude Louisa | Great-grandmother | III | 3 |
| Miller, James Pierce | Husband of the 1st cousin 6 times removed | | |
| Miller, Raymond Charles | Husband of the 2nd cousin twice removed | | |
| Miner, John Wright | Husband of the 2nd cousin twice removed | | |
| Mitchell, Thomas | 14th great-grandfather | XVI | 16 |
| Mitchell, Walter | 15th great-grandfather | XVII | 17 |
| Mohr, Philippine Karoline Luise | Wife of the 1st cousin 3 times removed | | |
| Molsbee, Effie Cornelia | 4th cousin 3 times removed | XIII | 8 |
| Molsbee, Samuel | Husband of the 3rd cousin 4 times removed | | |
| Mooney, Virginia | Wife of the 3rd cousin 3 times removed | | |
| Moore, Karen Beatrice | Wife of the 4th cousin twice removed | | |
| Moore, Ora Maude | Wife of the 2nd cousin twice removed | | |
| Wife of the half 2nd cousin twice removed | | |
| Moores, Maggie | Wife of the 2nd cousin 4 times removed | | |
| Morehead, Gladys | Wife of the 3rd cousin 4 times removed | | |
| Morris, Jennifer | Wife of the half 2nd cousin | | |
| Moss, Henry | Husband of the 6th great-grandaunt | | |
| Moss, James | Husband of the 7th great-grandaunt | | |
| Mossman, Chris | 2nd cousin | VI | 3 |
| Mossman, Jay C. | Husband of the 1st cousin once removed | | |
| Mossman, Jaylynn Marie | 2nd cousin | VI | 3 |
| Moyer, Marjorie Anne | Wife of the 1st cousin once removed | | |
| Muir, Bonnie Ruth | Wife of the 2nd cousin twice removed | | |
| Muirhead, --- | Husband of the half 1st cousin 3 times removed | | |
| Mundinger, Gustave A. | Husband of the 2nd cousin twice removed | | |
