- Marshall, Henry1
- Martin, Celia Phelps1
- Martin, John A.1
- Martin, Lewis1
- Matthews, John W., 1940-1
- Mayes, Vern1
- McClain, Howard G.1
- McFadden, Grace Jordan1
- McGovern, George S. (George Stanley), 1922-20121
- McNair, L. Lin1
- McRant, Josephine A.1
- Meadowlake New Church Project1
- Meetze, George E.1
- Merrill, William Pierson, 1867-19541
- Methodist Church (U.S.). Divison of National Missions1
- Methodist Church (U.S.). South Carolina Conference. Board of Missions1
- Methodist Church (U.S.). Sumter District. Family Life Conference (1952 : Camden, S.C.)1
- Middleton & Montgomery Insurance Agency1
- Middleton, Earl1
- Middleton, Earl M., 1919-1