Name
- Mackenzie, Kenneth, 4th Earl of Seaforth1
- Mackenzie, William, of Add MS 282391
- Main, John1
- Mancini-Mazarin, Philippe Jules, Duc de Nevers1
- Manningham, Thomas, Bishop of Chichester, d17221
- Mannock, Francis1
- Mant, Thomas1
- Mantua, Duchy and Marquisate of. Ferdinand Charles1
- Marescotti, Galeazzo, Cardinal1
- Maria Elisabeth, Governor of the Netherlands, daughter of Emperor Leopold I1
- Marie Agnes, Ursuline, of Brussels1
- Marie Constance de Ste Françoise, Superioress of the Ursulines at Malines1
- Marriott, Richard, of the Exchequer Office1
- Mary, Saint, the Blessed Virgin, fl 1st century1
- Massey, Charles1
- Massué, Henri, Marquis de Renneval et de Ruvigny, French Envoy in England1
- Mathew, Andrew1
- Mattei, Orazio, Cardinal1
- Medici, Ferdinando II, Grand Duke of Tuscany, nobleman, 1610-16701
- Medici, Francesco Maria de', Cardinal1