| Name | Relationship with Tracy Laudenslager | Civil | Canon |
| Morgan, Jean Kathleen | Wife of the half 3rd cousin 3 times removed | | |
| Morgan, Patti Ann | 2nd cousin | VI | 3 |
| Mortensen, Rachel Mae | Wife of the 1st cousin once removed | | |
| Motter | Ex-wife of the 3rd cousin | | |
| Mow, Brandon Sai Wung | 3rd cousin once removed of the wife | | |
| Mow, Chelsie-Ann Kam Chai | 3rd cousin once removed of the wife | | |
| Mow, Kimberly-Ann Kam Yee | 3rd cousin once removed of the wife | | |
| Mow, Leighton Sai Mung | 3rd cousin once removed of the wife | | |
| Mowery, Amanda Lynn | 5th cousin | XII | 6 |
| Mowery, Christopher Robert | 5th cousin | XII | 6 |
| Mowery, Geoffrey E. | Ex-husband of the 4th cousin once removed | | |
| Moy, Allison Marie | 3rd cousin of the wife | | |
| Moyer, Elmyra Louise | Wife of the 1st cousin once removed | | |
| Moyer, Faye Lillian | Half 4th cousin twice removed | XII | 7 |
| Moyer, Harry Jacob | Husband of the half 3rd cousin 3 times removed | | |
| Moyer, Mildred | Half 4th cousin twice removed | XII | 7 |
| Moyer, Ralph C. | Husband of the 2nd cousin once removed | | |
| Mueller, Daniel Kent | 2nd cousin | VI | 3 |
| Mueller, Kent Carl | Husband of the 1st cousin once removed | | |
| Mueller, Lincoln | Husband of the half 4th cousin twice removed | | |
| Mueller, Sally Ann | 2nd cousin | VI | 3 |
| Mueller, Victoria Lauden | 2nd cousin | VI | 3 |
| Muench, Harriet Estella | Wife of the 1st cousin 3 times removed | | |
| Murton, Edward | Husband of the 1st cousin twice removed | | |
| Musick, Faye Ellen | Wife of the 2nd cousin | | |
| Musil, Marion Julianne | Wife of the half 5th cousin once removed | | |
| Musser, Brandon | Half 6th cousin once removed | XV | 8 |
| Musser, Brent Allen | Half 6th cousin once removed | XV | 8 |
| Musser, Penrod | Half 4th cousin twice removed | XII | 7 |
| Musser, Ralph Clark | Half 4th cousin twice removed | XII | 7 |
| Musser, Rod | Husband of the half 6th cousin | | |
| Musser, Roscoe Conklin | Half 3rd cousin 3 times removed | XI | 7 |
| Musser, William Ottis | Husband of the half 2nd cousin 4 times removed | | |
| Mutes, Anna Elizabeth | 6th great-grandmother | VIII | 8 |
| Mutes, Jacob | 7th great-grandfather | IX | 9 |
| Myar, Kenneth | Ex-husband of the 3rd cousin twice removed | | |
| Myers, Alvin G. | 3rd cousin | VIII | 4 |
| Myers, Charity Lynn | 2nd cousin once removed | VII | 4 |
| Myers, Christal Lee | 2nd cousin once removed | VII | 4 |
| Myers, Donald Eugene | Husband of the 2nd cousin | | |
| Myers, Portus | Husband of the 2nd cousin once removed | | |
| Myers, Synthia Sue | Ex-wife of the 3rd cousin | | |
| Myers, Vincent T. | 3rd cousin | VIII | 4 |
| N., Cynthia | Wife of the half 6th cousin | | |
| Nace, Anja Leigh | 1st cousin once removed | V | 3 |
| Nace, Bethany Michelle | 1st cousin once removed | V | 3 |
| Nace, John David | 1st cousin | IV | 2 |
| Nace, Justin Michael | 1st cousin once removed | V | 3 |
| Nace, Logan Ashlee | 1st cousin once removed | V | 3 |
| Nace, Robert Edward | Husband of the aunt | | |