Index: Adams Family Correspondence, Volume 13, M
- McClenachan, Blair (Phila. merchant)
- Macdonald, Gen. Étienne Jacques Joseph Alexandre (French)
- McElroy, Archibald (Penn. tavern keeper)
- McFarland, Walter (of Hopkinton, Mass.)
- McHenry, James (U.S. secy. of war)
- McHenry, John, Jr. (nephew of James)
- McHenry, Margaret Allison Caldwell (wife of James)
- McKean, Rev. Joseph (of Milton)
- McKean, Thomas (Penn. chief justice)
- Macon, Nathaniel (N.C. representative)
- Macpherson, James
- MacPherson, Gen. William (of Phila.)
- Madeira Islands
- Madison, James
- Magdeburg, Germany
- Magnien, Capt. Bernard (of Portsmouth, Va.)
- Maidenhead (now Lawrenceville), N.J.
- Mails
- Maine
- Maitland, Gen. Thomas (Brit.)
- Malcom, Samuel Bayard (private secy. to JA)
- Mallett, Peter, Jr. (father of Sarah Mallett Smith)
- Mallett, Sarah Jane
- Malony, Elenora (of Phila.)
- Malta
- Maltese Order of the Knights of St. John of Jerusalem
- Manchester, Mass.
- Mannheim, Germany
- Manning & Loring (Boston publisher)
- Mantua, Italy
- Manufacturing
- Maps
- Marblehead, Mass.
- Maria Augusta (daughter of Frederick Augustus III)
- Maria Carolina, Queen of Naples
- Maria Elizabeth (barque)
- Mark, Jacob (N.Y. merchant)
- Marks, Conrad (Lower Milford, Penn., tavern keeper)
- Marlborough, Mass.
- Marriages
- Mars (Brit. ship of the line)
- Marsh, Wilson (of Quincy)
- Marshall, Humphrey (Ky. senator)
- Marshall, James Markham (brother of John, Sr.)
- Marshall, John, Sr. (1755–1835, Va. lawyer)
- Marshall, John, Jr. (1798–1833, son of John, Sr.)
- Marshall, Mary Willis Ambler (wife of John, Sr.)
- Martin, Alexander (N.C. senator)
- Martin, Luther (Md. lawyer)
- Mary I, Queen of England
- Mary and Sally (sloop)
- Maryland
- Mason, John Thomson (Washington, D.C., lawyer)
- Mason, Stevens Thomson (Va. senator)
- Massachusetts
- Massachusetts Bay
- Massachusetts Charitable Fire Society
- Massachusetts Historical Society
- Massachusetts Mercury (Boston)
- Masséna, Gen. André (French)
- Mazzei, Philip (of Pisa, Italy)
- Meade, Mr.
- Medfield, Mass.
- Medford, Mass.
- Mediterranean Sea
- Mendez, Moses
- Mercantile Advertiser (N.Y.)
- Mercer, Col. John Francis (of Fredericksburg, Va.)
- Mercury (ship)
- Merlin, Philippe Antoine (pres. of French Directory)
- Michael (Michial, Adams servant)
- Middlesex Canal
- Middlesex County, Mass.
- Middletown, Conn.
- Mifflin, Thomas (gov. of Penn.)
- Milan, Italy
- Militia (U.S.)
- Miller, Maj. Ebenezer (of Braintree)
- Milton, John
- Milton, England
- Milton, Mass.
- Mincio River
- Minerva (ship)
- Mining
- Minns, Thomas (Boston printer)
- Mint, U.S.
- Mirabeau, Honoré Gabriel Riquetti, Comte de
- Mississippi River
- Molière, Jean Baptiste Poquelin (French playwright)
- Money
- Monmouth, Battle of
- Monmouth County, N.J.
- Monroe, James
- Montgomery, N.J.
- Montgomery County, Md.
- Montgomery County, Penn.
- Monticello (Va. estate)
- Morasch, Christian Gottfried (artist)
- Moreau, Gen. Jean Victor (French)
- Morocco
- Morris, Gouverneur (U.S. merchant and diplomat)
- Morris, Lewis (of N.Y.)
- Morris, Mary White (wife of Robert, Sr.)
- Morris, Nicholson & Greenleaf (Washington, D.C., land firm)
- Morris, Capt. Richard Valentine (of N.Y.)
- Morris, Robert, Sr. (1734–1806, financier)
- Morris, Robert, Jr. (1769–ca. 1804, son of Robert, Sr.)
- Morris, William White (son of Robert, Sr.)
- Morris, Capt. (of the Ocean)
- Morrisania, N.Y.
- Morrisville, Penn.
- Morse, Rev. Jedidiah (of Charlestown)
- Morton, Jacob (general of N.Y. militia)
- Morton, Perez (of Braintree)
- Morton, Sarah Wentworth Apthorp (wife of Perez)
- Morton, Thomas
- Moscati, Pietro (Cisalpine Republic director)
- Moulins, Jean François Auguste (member of French Directory)
- Mountflorence, Maj. James Cole (secy. to W. V. Murray)
- Mount Holly, N.J.
- Mount Parnassus
- Mount Tabor, Syria (now Israel)
- Mount Vernon (Va. estate)
- Mount Vernon (ship)
- Mozard, Theodore Charles (French consul to U.S.)
- Muhammad
- Muhlenberg, Catherine Schaefer (wife of Frederick Augustus Conrad)
- Muhlenberg, Frederick A. (son of Frederick Augustus Conrad)
- Muhlenberg, Frederick Augustus Conrad (Penn. politician)
- Murray, Lindley
- Murray, William Vans (U.S. minister to Netherlands)
- Music