- Mack, Joseph Bingham, 1838-19124
- Maham, Hezekiah, 1739-17891
- Malcolm, William, 1745-17914
- Mann-Simons Cottage1
- Manning, H.V., Whetstone, Henna, Newman, I. DeQuincey, Crawford, Elma, Claflin College, Mt. Zion United Methodist Church1
- Marion, Francis, 1732-179512
- Marion, Francis, 1732-1795--Correspondence13
- Massachusetts--History--Revolution, 1775-17838
- Matthew C. Newman, Morris D. Mazursky1
- McIntosh, Lachlan, 1725-180610
- McIntosh, Lachlan, 1725-1806--Correspondence3
- McLeod, Daniel Rogers, 1913-1985. McLeod Scholarship Fund1
- McNair, Robert E. (Robert Evander), 1923-1
- Meadowlake, Middleton-Rosemond United Methodist, Columbia (S.C.)3
- Medical University of South Carolina, Charleston (S.C.), Blue Ribbon Committee1
- Methodists, Blacks, South Carolina, John Wesley Methodist Church1
- Methodists, Blacks, South Carolina: Sumter, Mount Zion, Church1
- Methodists, Blacks, South Carolina: Sumter, Mount Zion, West Sumter, Spartenburg Methodist College1
- Methodists, Blacks, South Carolina:Sumter, Sumter District United Methodist Church1
- Midcom Corporation3