Name
- Merewether, Edward C, Colonial Secretary of North Australia1
- Merrick, Rowland, Bishop of Bangor1
- Mersellius, Hugo, Provost of Frankfort, Canon of Mayence1
- Merton, Edmund1
- Mileisis, Henry, Archdeacon of Exeter1
- Millar, Eric George, DLitt, Keeper of Manuscripts British Museum, 1887-19661
- Milman, Margaret, Miss1
- Milton, John, poet, 1608-16741
- Mollet, Ralph1
- Molony, Alfred, of Seal CLV1
- Monastery of St Stephen1
- Monastery of Suinebecca, diocese of Ypres1
- Monastery of the Holy Spirit1
- Mons, Odo de, Frère1
- Montaigu, Garin, Grand Master of the Hospitaliers1
- Moor, Charles, Reverend; DD1
- Mortimer, Edmund, third earl of March and earl of Ulster, magnate, 1352-13811
- Mortimer, Roger, Earl of March1
- Mugge, William, Priest1
- Mugge, William, of Seal CLXII1