| | Name | Blazon | Comments | Source |
| MacDuffie, Daniel (of Nutfield, NH, 1720) | Or a lion rampant Gules. | Originally from Londonderry, Ireland. Undifferenced arms of Scottish family of MacDuff. | Matthews |
| Mackarty, Thaddeus (d. Boston, Mass., 1720) | Argent, a buck trippant (Gules?). | Arms on his seal. | Bolton |
| MacKenzie, Thomas (of Calvert County, Md., 1745) | Azure a stag’s head caboshed Or. | Undifferenced arms of Mackenzie of Kintail, chief of the Scottish Clan Mackenzie. | Crozier 1, Matthews |
| MacLaren, Finlay (of Albany, NY, 1793) | Argent, two chevrons Sable. | | Crozier 1 |
| | Macleod, Malcolm (d. Bennington, Vt., 1777) | Quarterly, 1. Or, a mountain Azure, inflamed Proper; 2. Gules, the three legs of the Isle of Man, armed Proper, conjoined in the center at the upper end of the thigh, flexed in triangle, the spurs Or; 3. Or, a galley sails unfurled, pennons flying Sable; 4. Gules, a lion rampant Argent; over all, an inescutcheon per pale Gules and Sable a fess between three fleurs-de-lis Or. | | Bolton |
| | MacPherson, Robert (d. Gettysburg, Pa., 1749) | Per fess Or and Azure, a lymphad with sails furled in base Or, in dexter chief a hand couped grasping a dagger point up Gules, in the sinister chief a cross crosslet fitchy Gules | Arms on grave, Evergreen Cemetery. Undifferenced arms of Macpherson of Cluny, chief of Clan MacPherson. | |
| | Magruder, Capt. James Truman (d. Magruder, Md., 1831) | Argent a fir tree on a mount Vert surmounted of a sword bendways, on its point an Imperial crown Proper, a canton Azure | | Crozier 1, Matthews |
| | 1. Maitland, Rev. Alexander (of New York, 1746) 2. Maitland, David (d. New York, 1792) | Or a lion rampant within a double tressure flory counterflory Gules | Royal arms of Scotland; Scottish stem arms of Maitland have these charges but Azure on Argent. | 1. Crozier 1, 1 & 2. Matthews |
| | Major, Thomas (of Albany, NY, 1746) | Gules an anchor Argent, on a chief Or three roses Gules. | | Crozier 1 |
| | Mallet, John (Stratfield, Conn., 1701) | Azure three conch shells Or. | | Crozier 1 |
| | Mallet-Prevost, Paul Henry (of Frenchtown, NY, 1790) | Azure a fess between two cinquefoils in chief and a trefoil slipped in base Or. | | Crozier 1 |
| | Mallory, Roger (of New Kent County, Va., 1660) | Or a lion rampant Gules collared Argent. | | Crozier 2 |
| | Maltby, William (of Branford, Conn., 1667) | Argent on a bend Gules three garbs Or | | Crozier 1 |
| | Manigault, Gabriel (of Charleston, SC, 1700) | Azure three heron-hawks hooded, belled, and jessed proper. | | Crozier 1 |
| | Mann, John (b. ca 1630; d. Timber Neck, Va., 7 Jan. 1694) | Per fess embattled Argent and Azure three goats passant counterchanged attired Or. | Arms on the tomb of his wife, Mary (d. 1703/4), Timber Neck, Gloucester Co, Va. Crozier and Bolton erroneously blazon “embattled counterembattled.” | Crozier 2, Bolton |
| | Mann, Edward (of New England, 1625) | Sable, on a fess embattled counter-embattled between three goats passant Argent, as many pellets | | Matthews |
| | Manning, William (of Cambridge, Mass., 1635) | Gules, a cross flory between three trefoils slipped Or | | Crozier 1, Matthews |
| | 1. Manningham, Henry (to New York ca 1650) 2. Manningham, Mary (Mrs. Robert Blackwell; to New York ca 1650) | Sable a fess Ermine in chief three griffin's heads Or. | Originally from Yorkshire | NEHGS #403 |
| | Mapes, Thomas (of Long Island, NY, 1649) | Sable, four fusils in fess Or. | | Crozier 1, Matthews |
| | 1. Marbury, Catherine (in Boston 1637) 2. Marbury, Anne (to Boston 1634, k. in New York 1643) | Argent on a fess engrailed Gules three garbs Or. | Daughters of Rev. Francis Marbury of Alford, Lincs. 1. Married Richard Scott. 2. Anne Hutchinson (Mrs. William Hutchinson), campaigner for religious liberty. | NEHGS #81 |
| | Marchant, Henry (b. Martha’s Vineyard, Mass., 9 April 1741; d. Newport, RI, 30 Aug. 1796) | Azure a chevron Or between three birds guardant. | Member of Continental Congress; signer of Articles of Confederation; arms on his bookplate. | Bolton |
| | Markham, Daniel (of Middletown, Conn., 1676) | Azure on a chief Or a demi-lion rampant issuant Gules | | Matthews |
| | Marr, John (of Portsmouth, Me., 1717) | Chequy Or and Argent, a fess Gules | | Crozier 1 |
| 1. Marsh, John (1618-1688, in Connecticut, 1631) 2. Marsh, Henry Daniel (b. 1865, Springfield, MA) | Gules a horse's head couped between three cross crosslets fitchy Argent. | 2. Descendant of John Marsh of Connecticut | 1.Crozier 1 2.Matthews |
| | Marston, William (of Salem, Mass., 1634) | Sable, a fess indented between three fleurs-de-lis Argent | | Crozier 1 |
| Martin, George Castor (b. 1885, New York) | Argent three boars' heads erased close Gules. | Arms of Burrage, from paternal great-grandmother | Matthews |
| 1. Martyn, ----- (Boston) 2. Martin, Michael (in Boston 1700) 3. Martin, Robert Coates (b. 1823, New York) | Argent two bars Gules. | Arms of Martyn of Exeter and Kemys, Pembrokeshire 1. Tombstone, Copp's Hill Burying Ground, Boston 2. Seal 3. Descendant of John Martyn (Swansea, MA, by 1658) | 1.Zieber,Vermont 2.Vermont, Crozier 1 3.Bolton, Matthews |
| | Martin, William (of Woodbury, Conn., 1680) | Gules on a chevron Or three talbots passant Sable. | | Crozier 1 |
| | 1. Martin, Col. John (d. King William County, Va., 1756) 2. Martin, Josiah (d. Rockaway, NY, 1778) | Gules a chevron between three crescents Argent | 1. Member of House of Burgesses; arms engraved on silver pint cup. | 1. Crozier 1, 1. Crozier 2, 1. & 2. Bolton |
| | Martin, William (b. London, England, 1733; d. Boston, Mass., 1814) | Gules, a chevron between three crescents Argent, in chief a mullet Argent charged with a label | Arms on his bookplate. | Bolton |
| | Martyn, Edward (of Boston, Mass., 1724) | Argent, two bars wavy Gules | Arms engraved on tankard. | Bolton |
| | Mascarene, Jean Paul (b. Castras, France, 1684; d. Boston, Mass., 1760) | Argent, a lion rampant Gules, on a chief Azure, three mullets Or | | Crozier 1, Bolton, Matthews |
| | Mason, Col. George (d. Stafford County, Va., 1686) | Per fess embattled Azure and Argent, on the embattlement a dove, wings expanded Argent, beaked and legged Gules, in base three fleurs-de-lis Gules, two and one. | Member of House of Burgesses. | Crozier 2 |
| | Master, Giles (d. Boston, 1688) | Gules a two-tailed leopard rampant Or. | Barrister of the Middle Temple. | NEHGS #250 |
| | Mather, Rev. Richard (of New England, 1635) | Ermine on a fess wavy Azure three lions rampant Or. | Described in biography by his son, Rev. Cotton Mather. | Matthews |
| | Matson, Sgt. Thomas (of Boston, Mass., 1630) | Sable, a cross formee voided Or | | Crozier 1 |
| | 1. Matthews, Anthony (b. London, England, 1663; d. 23 Aug. 1735, Charleston, SC 2. Matthews, Thomas Stanley (b. Cincinnati, OH, 21 July 1824; d. Washington, DC, 22 March 1889) | Or, a lion rampant Sable | 1. Arms on gravestone; 2. U.S. Senator and Supreme Court Justice; arms on his bookplate. | Bolton1 |
| | 1. May, John (of Roxbury, Mass., 1640) 2. May, Henry (b. Washington, DC, 13 Feb. 1816; d. Baltimore, Md., 25 Sept. 1866) | Gules, a fess between eight billets, four in chief, four in base, Or | 2. U.S. Congressman, Maryland | 1. Crozier 1, 1. Matthews, 2. Matthews 1911-23 |
| | 1. Mayo, Joseph (b. Somerset, England, 25 March 1623; d. Henrico County, Va., 25 March 1740) 2. Mayo, George (b. Barbados, 30 Aug. 1717; d. Henrico County, Va., 19 Feb. 1739) | Gules, a chevron Vair, between three ducal coronets Or, a crescent for difference | 1. Arms on his tombstone, originally at Powhatan, Va., now at Hollywood Cem, Richmond. 2. Arms on his tombstone, now at Hollywood Cem, Richmond. | Crozier 2, Bolton |
| | M’Calla, John (of Pennsylvania, 1750 | Gules, two arrows in saltire Argent, surmounted by a fess chequey Argent and Gules, between three buckles, within a bordure indented Or. | Originally from Islay, Scotland. Undifferenced arms of Macaulay of Ardincaple. | Matthews |
| | 1. McAllister, Archibald (of Big Spring, Pa., 1732) 2. McAllister, Richard (of Big Spring, Pa., 1732) | Azure a lion rampant Argent crowned Or ducally gorged Gules | Same arms as McDonald (below). | Crozier 1 |
| | McCarty, Dennis (of Norfolk, Va., 1675) | Argent a stag trippant Gules attired and unguled Or. | | Crozier 1 |
| | McClary, Andrew (of Epsom, NH, 1726) | Or a chevron Azure between three roses Gules. | Originally from Gardin, Scotland. | Matthews |
| McClellan, Robert (of Woodbridge, NJ, 1685) | Argent two chevronels Sable | Laird of Barmagachan, Scotland | Matthews |
| | McClure, Alexander Kelly (b. Centre, Pa., 9 Jan. 1828) | Argent on a chevron engrailed Azure between two roses in chief and a sword in base point down Azure a mullet Or. | | Matthews |
| McCullough, Capt. Benjamin (of New Jersey, 1740) | Argent on a cross Azure five pheons | | Crozier 1, Matthews |
| | McDonald, John (of Rhode Island, 1745) | Azure a lion rampant Argent crowned Or, ducally gorged Gules. | Participated in Siege of Louisbourg, French and Indian War | Crozier 1 |
| | McFarland, John (of North Carolina, 1770) | Argent, a saltire wavy between four roses Gules | Undifferenced arms of Macfarlane of that Ilk. | Crozier 1 |
| | McIntosh, John Mohr (of Darien, Ga., 1735) | Quarterly, 1. Or a lion rampant Gules; 2. Argent a dexter hand fessways couped at the wrist proper holding a human heart Gules; 3. Azure a boar’s head couped Or; 4. Or a lymphad Sable, surmounted by two oars in saltire Gules | Undifferenced arms of Mackintosh of Mackintosh, chief of Clan Mackintosh. | Crozier 1, Matthews 1911-23 |
| | McLean, William (b. 1679; d. McLean Island, Stamford, Conn., 1749) | Quarterly, 1. Argent a lion rampant Gules; 2. Azure a castle triple towered Argent with flags displayed Gules; 3. Or a dexter hand couped fessways Gules holding a crosslet fitchy Azure; 4. Or a galley sails unfurled sable flag Gules on a sea Vert in base a salmon naiant Argent | Undifferenced arms of Maclaine of Lochbuie, chief of Clan Maclaine. | Crozier 1, Matthews |
| | McMath, Alla (of Chester County, Pa., 1756) | Sable an escutcheon chequy Argent and Azure between three lions’ heads erased Argent, in chief a mullet Argent. | | Crozier 1 |
| | McVickar, John (of New York City, NY, 1780) | Quarterly, 1. & 4. Or, an eagle displayed with two heads Gules; 2. & 3. Per bend embattled Argent and Gules, overall an escutcheon Or, charged with three stags’ horns erect Gules, two and one | | Crozier 1 |
| | Means, John (of Boston, Mass., 1769) | Paly of six Argent and Azure, on a chief Gules, three crescents Argent | | Crozier 1 |
| | Meigs, Vincent (b. England, ca 1583; d. Weymouth, Mass., 1658) | Or, a chevron Azure, between three mascles Gules, on a chief Sable, a greyhound courant Argent | | Crozier 1, Matthews 1911-23 |
| | Mercer, John (b. 6 Feb. 1704; d. Stafford County, Va., 14 Oct. 1768) | Or, on a fess between three crosses pattee Gules in chief, and a mullet Azure in base, as many bezants | | Crozier 2 |
| Mercer, Thomas (Thomas Cocquiel, known as Le Mercier; in Boston 1671-98) | Argent three trefoils slipped Vert, on a chief Gules a lion passant Or. | From Southampton, Eng. | NEHGS #506 |
| | Meriwether, Nicholas (b. Wales, 1631; d. Virginia, 1678) | Or three martlets Sable on a chief Azure a sun in splendor Or. | | Crozier 1, Crozier 2, Matthews |
| | Merrett, John (of Rhode Island, 1728) | Barry of six Or and Sable, a bend Ermine | | Crozier 1 |
| | Merrick, Samuel Vaughn (b. 1801; d. Hallowell, Me., 1870) | Quarterly, 1. & 4., Sable, on a chevron Argent, between three staves raguly Or, inflamed Proper, a fleur-Del.-lis Azure, between two Cornish choughs Proper (Merrick); 2. Gules, two porcupines in pale Argent (Merrick); 3. Azure, three boys’ heads couped at shoulders, snakes about necks Proper (Vaughn) | Arms on his bookplate. | Matthews, Bolton |
| | 1. Merrill, John (of Ipswich, Mass., 1633) 2. Merrill, Nathaniel (of Ipswich, Mass., 1633) | Argent, a bar Azure, between three peacocks’ heads erased Proper | | 1. & 2. Crozier 1, 2. Matthews |
| | Mesier, Peter Janssen (of New York, 1687) | Quarterly, 1. & 4. Or, three bars Azure; 2. & 3. Gules, a castle Or, within a bordure gobbony of twelve Argent and Gules | | Crozier 1, Matthews |
| | Messinger, Henry (of Boston, Mass., 1640) | Argent, a chevron between three closed helmets Sable | Member of Ancient and Honorable Artillery Co. of Boston. | Bolton, Matthews |
| | 1. Metcalfe, Richard (of Rappahannock, Va., 1708); 2. Metcalf, Thomas (b. England, 10 Aug. 1734; of King William County, Va., 1751) | Argent, three calves passant Sable | 1. Son of Gilbert Metcalfe, London merchant; 2. Son of Samuel Metcalf, of Northwick, Cheshire. | 1. & 2. Crozier 2, 1. Crozier 1 |
| | Metcalf, Michael (b. England, 1586; of New England, 1637) | Argent, on a fess wavy between three calves passant Sable, a sword fessways | Son of Leonard Metcalf, of Tatterford, Norfolk | Matthews |
| | Mickle, John (of New York, 1790) | Gules, a chevron between three crosses pattee fitchy, each cantoned with four cross crosslets Argent | | Crozier 1 |
| | Middlecott, Richard (of Boston, Mass., 1702) | Azure, an eagle displayed Argent, on a chief Gules, three escallops Or | | Bolton |
| | Middleton, John Izard (b. South Carolina, 1785; d. 1849) | Quarterly of nine: 1. Argent, fretty Azure, a canton Sable (Middleton); 2. Argent, three coursing hounds in pale Sable (Mauleverer); 3. Sable, an estoile of six points Argent (Ingleby); 4. Gules, a lion rampant Argent, within a bordure engrailed Or (Mowbray); 5. Argent, a chevron embattled between three birds Sable (Chaumont); 6. Argent, a chevron between three lions’ heads erased Gules (Rocliff); 7. Argent, a saltire Gules, on a chief Gules, three escallops Or (Talboys); 8. Argent, three cinquefoils Sable, three pilgrims’ staves Or (Burdon); 9. Gules, a cinquefoil Argent, between eight cross crosslets Or, three, two and one (Umfreville) | Arms on his bookplate; son of Arthur Middleton (see below); Bolton questions some of the tinctures. | Bolton |
| Middleton, Arthur (b. Middleton Place, SC, 26 June 1742; d. The Oaks, SC, 1 Jan. 1787) | Argent, fretty Azure, a canton Sable. | Signer of the Declaration of Independence; arms on his tomb, Middleton Place, SC; Crozier describes fretty as Sable. | Bolton, Crozier 1 |
| | Middleton, Robert (of Westmoreland County, Va., 1663) | Per fess Or and Gules, a lion rampant and a bordure embattled all counterchanged | | Crozier |
| | Milhau, Comte Caesar Michael del (b. St. Dominique, 1762; d. Baltimore, Md., 1813) | Argent, a fess Azure, in chief rising from the fess the sun Proper, surrounded by three stars, in base a dove holding an olive branch (Proper?) | | Matthews |
| | Milburn (Milborn), William (of Boston, Mass. 1693) | Sable, on a bend between two leopards’ heads Or, three crosses pattee Sable, on a chief Argent, as many escallops Sable | Arms on wills he was witness to. | Bolton, Crozier 1 |
| | Miller, Hugh (of Prince George County, Va., 1757; d. 13 Feb, 1762) | Ermine, three wolves’ heads erased Gules | Arms, impaled with wife’s arms, engraved on silver castor. | Crozier 2, Bolton |
| | Miller, Samuel (of Boston, Mass., 1640) | Ermine, a fess Gules, between three wolves’ heads erased Azure | | Crozier 1 |
| 1. Millet, Thomas (in Dorchester, Mass, 1635) 2. Millet, Josiah Byram (b. 1854, New York) | Argent a fess Gules between three dragons' heads erased Vert. | | 1. NEHGS #262 2. Matthews |
| | Milligan, Robert (b. 1754; d. Maryland, 1806) | Argent, a demi-lion rampant between two bars wavy Vert, in chief two demi lions rampant | Arms on his bookplate | Bolton, Matthew 1911-23 |
| | Milne, David (b. Aberdeen, Scotland; of Philadelphia, Pa., 1827) | Or, a cross Moline Azure, pierced ovalways, between three mullets Sable, within a bordure Azure | | Crozier 1, Matthews |
| | Milner, Michael (of Lynn, Mass. 1640) | Sable, three snaffle bits Or | | Crozier 1 |
| | Milner, Col. Thomas (of Nansemond County, Va., 1675) | Per pale Or and Sable, a chevron between three horses’ bits counterchanged | Speaker of the House of Burgesses, 1691-93, arms on the tomb of his wife. | Crozier 1, Crozier 2, Matthews |
| | Miner, Thomas (of New London, Conn., 1650) | Gules, a fess Argent, between three plates | | Crozier 1, Matthews |
| | 1. Minor, Ephraim (d. Taugwonk, Conn., 16 May 1724) 2. Minor, Deacon Manatseh (d. Stontington, Conn., 22 Aug. 1728) 3. Minor, Deacon Thomas (d. Stonington, Conn., April 1739) | Gules, a fess Argent, between three plates | 1. Arms on tombstone, Old Tangwank Cem, Stonington, Conn. | Bolton |
| | Moffett (Moffatt), Joseph (of Brinfield, Mass., 1762) | Argent, a saltire Azure, a chief Gules | Descended from Thomas Moffatt, Exeter, England. | Crozier 1, Matthews |
| | Monckton, Gov. Robert (b. England, 24 June 1726; d. 21 May 1782, London, England) | Gules, on a chevron Or, between three martlets Argent, a many mullets Argent | Son of John Monckton, Viscount Galway; Governor of New York, 1762-65. | Bolton |
| 1. Montague, Peter (b. Burnham, Buckinghamshire, England, 1603; d. Virginia, 1659) 2. Montague, Richard (of Maine, 1646) 3. Montague, Rev. William (in Boston, 1787-92) | Argent, three lozenges [or fusils] conjoined in fess Gules between three pellets. | 3. Memorial tablet in Christ [Old North] Church, Boston, of which he was rector, 1787-92. | 1, 2. Crozier 1 , Crozier 2 3. Bolton |
| | Montgomery, Hugh (of New Jersey, 1680) | Quarterly, 1. & 4. Azure, three fleurs-de-lis Or (Montgomery); 2. & 3. Gules, three annulets Or, stoned Azure (Eglinton); all within a bordure Or, charged with a tressure flory counterflory Gules (Seton) | | Crozier 1 |
| | Montgomery, Hugh (of Londonderry, NH, 1719) | Azure, three fleurs-de-lis Or. | Undifferenced arms of Montgomery, Earls of Eglintoun. | Crozier 1 |
| | Montgomery, Maj. Gen. Richard (of New York, 1772-73) | Quarterly, 1st and 4th Azure three fleurs-de-lis Or, 2nd and 3rd Gules three gem rings Or stoned Azure. | From Ireland; fell at Quebec, 1775. | NEHGS #477 |
| | Montgomery, William (of New Jersey, 1706) | Quarterly, 1. & 4., Gules, three fleurs-de-lis Or; 2. & 3. Azure, three gem rings Or, stoned Gules; all within a bordure engrailed Or. | | Matthews |
| | Moody, Sir Henry, Bt. (of Salem, Mass, 1640) | Vert a fess engrailed Argent surmounted of a bar Gules between three harpies Argent crined Or. | Later of Gravesend, Long Island; died in Virginia, 1661. | Crozier 1, NEHGS #274 |
| | Moody, John (of Roxbury, Mass., 1633) | Argent on a chevron engrailed Sable between three trefoils slipped Vert three lozenges [or mascles?] Or, a crescent for difference, and on a chief Azure two arms issuant from dexter and sinister, sleeves Or, the hands proper holding a rose Gules. | From Ipswich, Suff. Later to Hartford. | NEHGS #411 |
| | Mooney, James (of Prince William County, Va., 1740) | Argent, a holly tree eradicated Vert, thereon a lizard passant Or, a border compony counter-compony Argent and Vert | | Crozier 1 |
| | Moore, John (of King William County, Va., 1620) | Ermine, three greyhounds courant Sable, collared Gules, on a canton Gules, a lion passant | | Crozier 2 |
| | Moore, Sir Henry | Ermine three greyhounds courant Gules | Governor of New York, 1765; arms on his seal. | Bolton |
| | Moore, Col. James (b. ca 1650; d. 1706) | Argent a moorcock Sable combed and wattled Gules | Governor of South Carolina, 1700-1703. | Crozier 1 |
| | 1. Morehead, Charles (of Virginia, 1630) 2. Morehead, Capt. Charles (d. Leeds Parish, Fauquier County, Va., 1783) | Argent, on a bend Azure, three acorns Or, in chief a man’s heart Proper, within a fetterlock Sable, the whole surrounded with an oak wreath Proper, acorned Or | 2. Grandfather Charles Morehead of Scotland settled in Prince William County, Va., in early 1700s. | 1. Crozier 1, 2. Crozier 2 |
| | 1. Morgan, Capt. Miles (of Massachusetts and Connecticut, 1630) 2. Morgan, Charles (Monmouth Co., NJ, 1685) | Or a griffin sergeant Sable | | Crozier 1 |
| | 1. Morgan, James (of Boston, Mass., 1636) 2. Morgan, Charles (of Flushing, NY, 1683) | Vert a lion rampant Or. | | 1. and 2. Crozier 1, 2. Matthews |
| | Morris, Anthony (of Philadelphia, Pa., 1695) | Sable a lion passant between three scaling ladders Or. | Member of Provincial Council of Pennsylvania; Justice of the Supreme Court, 1694 | Crozier 1, Matthews |
| | Morris, Richard (of New York, 1660) | Gules, a lion rampant Or | Son of William Morris, Monmouthshire, Wales | Matthews |
| 1. Morris, Lewis (of New York City, NY, 1697) 2. Morris, Gov. Lewis (b. New York City, NY, 8 April 1726; d. New York City, NY, 22 Jan. 1798) 3. Morris, Gouverneur (b. New York City, NY, 31 Jan. 1752; d. New York City, NY, 6 Nov. 1816) 4. Morris, Gov. Robert Hunter (b. Trenton, NJ, 1700; d. Shrewsbury, NJ, 27 Jan. 1764) | Quarterly, 1. & 4. Gules, a lion reguardant Or; 2. & 3. Argent, three torteaux | 2. Governor of New Jersey, arms on his seal 3. Signer of Constitution, arms on his bookplate 4. Governor of Pennsylvania, arms on seal. | 1. Crozier 1 2, 3, and 4. Bolton |
| | 1. Morris, Thomas (of Connecticut, 1637) 2. Morris, Col. Roger (b. England, 28 Jan. 1717; d. York, England, 13 Sept. 1794 | Quarterly, 1. & 4. Gules, a lion rampant guardant Or; 2. & 3. Argent, three boars’ heads couped Sable | 2. Retired from British army in 1764 and settled in New York City until American Revolution; arms on bookplate. | 1. Crozier 1, 1. Matthews1, 2.Bolton |
| | 1. Morse, Samuel b. Dedham, Mass., 1635) 2. Morse, Benjamin (b. Fayette, Me., 1791; d. 1852) | Argent, a battle axe in pale Proper, between three pellets | 2. Arms painted on square wood panel. | 1. Crozier 1, 1. Matthews, 2. Bolton |
| | Morten, Henry (of Cincinnati, OH, 1808) | Argent, three roses Gules, stalked and leaved Vert | | Crozier 1 |
| | Mortimer, John (of New York City, 1819) | Barry of six Or and Azure, on a chief Or, two pellets between base esquierres Azure, overall an inescutcheon Argent | | Crozier 1 |
| | Morton, George (b. Austerfield, Yorkshire, England, 1585; d. Plymouth, Mass., 1624) | Argent, a chevron between three lozenges Sable | | Matthews |
| | Morton, George (of Plymouth, Mass., 1623) | Quarterly, Gules and Ermine, in sinister chief and dexter base a goat’s head | See listing above – same person with different arms? | Crozier 1 |
| 1. Moryson, Richard (of Point Comfort, Va., 1638) 2. Moryson, Robert (of Point Comfort, Va., 1641) 3. Moryson, Francis (of Point Comfort, Va., 1649) | Argent, on a cross Sable, five fleurs-de-lis Or. | All three sons of Sir Richard Moryson, Tooley Park, Leics.; 3. Speaker of House of Burgesses, acting governor of Virginia. Also spelled Morrison. Crozier adds a martlet Azure in the first quarter. | All: NEHGS #495,Crozier 2 1.Crozier 1 |
| 1. Moseley, Henry (of Dorchester, Mass., 1645) 2. Moseley, Capt. Samuel (b. Braintree, Mass., 14 Jun 1641; d. 1680) | Sable, a chevron Argent, between three mill-picks Or | 2. Arms on seal. | 1. Crozier 1, 2. Bolton |
| Moseley, John (of Mattapan, Mass., 1635) | Sable, a chevron between three mill-picks Argent | | Crozier 1 |
| Moseley, William (of Norfolk County, Va., 1649) | Quarterly, 1. & 4. Sable, a chevron between three mill-picks Argent; 2. & 3. Or, a fess between three eagles displayed Sable | | Crozier 2, Bolton |
| 1. Moseley, Rev. Samuel (b. 15 Aug. 1708; d. Hampton, Conn., 26 July 1791) 2. Moseley, Edward (of Albemarle, NC, 1705-49) | Sable, on a chevron between three mill-picks Argent, three mullets Gules | | 1. Matthews, 2. Bolton |
| | Mott, Adam (of Hingham, Mass., 1636, and Portmouth, RI, 1638) | Sable, a crescent Argent | | Crozier 1, Matthews |
| | Moulton, Robert (of Salem, Mass., 1629) | Per pale Argent and Ermine, three bars Gules | | Crozier 1 |
| | Mountford, Edmund (of Boston, Mass., 1656) | Bendy of 10 Or and Azure | | Crozier 1 |
| | Mountfort, Jonathan (d. Boston, Mass., 1724) | Bendy of nine Or and Azure | Arms on his tomb, Copp’s Hill Yard, Boston. | Bolton |
| | Muhlenberg, Rev. Henry Melchior (b. Einbeck, Germany, 1711; d. Trappe, Pa., 1787) | Per chevron Argent and Sable three cinquefoils counterchanged, a mullet in chief | Leader of the Lutheran Church in the United States. | Bolton |
| | Muirhead, John (of Pennington, NJ, 1713) | Argent, on a bend Azure, three acorns Or | | Crozier 1 |
| | Mumford, Thomas (of Rhode Island, 1692) | Or, semy of cross-crosslets, a lion rampant Azure | Magistrate of Rhode Island. | Crozier 1, Matthews |
| | Munn, Benjamin (of Hartford, Conn., 1637) | Per chevron Sable and Or, in chief three bezants, in base a castle triple towered Sable | | Crozier 1 |
| | Munroe, Henry (of New York City, NY, 1757) | Or, an eagle’s head erased Gules | Undifferenced arms of Scottish house of Munro of Foulis. | Crozier 1 |
| | Munsell, Jacob (b. New London, Conn.; d. Windsor, Conn., Oct. 1741) | Argent, a chevron between three maunches Sable | | Crozier 1 |
| | Murphy, Hugh (of Highland County, OH, 1782) | Quarterly, Argent and Gules, four lions rampant counterchanged, on a fess Sable, three garbs Or | | Crozier 1 |
| | Murray, Joseph (d. New York, 1757) | Azure, a cross pattee between three estoiles of six points Argent, within a double tressure flory counterflory Or. | Arms on bookplate. | Bolton |
| Murray, John, Lord Dunmore (b. Scotland, 1732; d. 25 Feb. 1809) | Quarterly, 1. & 4. Azure three mullets Argent (Murray); 2. & 3. Quarterly, 1. & 4. Or a fess checky Argent and Azure (Stewart); 2. & 3. Paly of six Or and Sable (Strabolgi). | Governor of New York, 1770; Governor of Virginia, 1771-83; 4th Earl of Dunmore. Bolton cites these as arms on Lord Dunmore's bookplate, but the slightly different blazon below is the accurate description of the plate. | Bolton |
| | Murray, John, Earl of Dunmore (b. Scotland, 1732; d. 25 Feb. 1809) | Quarterly, 1. & 4. Azure three mullets Argent within a double tressure flory-counterflory Or (Murray); 2. & 3. Quarterly, 1. & 4. Or a fess checky Argent and Azure (Stewart); 2. & 3. Paly of six Or and Sable (Strabolgi); over all an escutcheon of pretense, Gules three legs in armor flexed proper conjoined at the thigh in triangle (Lordship of Man). | Governor of New York, 1770; Governor of Virginia, 1771-83. Arms on his bookplate. | NEHGS #264 |