M
| Title | Date of creation | Surname | Current status | Notes |
|---|---|---|---|---|
| Mackworth of Normanton | 1619 | Mackworth | extinct 1803 | |
| Maddox of Wormley | 1676 | Maddox | extinct 1716 | |
| Mainwaring of Over Peover | 1660 | Mainwaring | extinct 1797 | |
| Mannock of Giffords Hall | 1627 | Mannock | extinct 1787 | |
| Mansel of Margam | 1611 | Mansel | extinct 1750 | Created Baron Mansel (1712) in Great Britain. |
| Mansel of Muddlescombe | 1622 | Mansel | extant | |
| Mansel of Trimsaran | 1697 | Mansel | extinct 1798 | |
| Maples of Stow | 1627 | Maples | extinct 1655 | |
| Markham of Sedgebroke | 1642 | Markham | extinct 1779 | |
| Marow of Berkswell | 1679 | Marow | extinct 1690 | |
| Marsham of Cuckston | 1663 | Marsham | extant | created Baron Romney (1716) in the Peerage of Great Britain and Earl of Romney (1801) in the Peerage of the United Kingdom. |
| Martin of Long Melford | 1667 | Martin | extinct 1854 | |
| Marwood of Little Bushby | 1660 | Marwood | extinct 1740 | |
| Masham of High Lever | 1621 | Masham | extinct 1776 | merged with Baron Masham in 1723. |
| Massingberd of Braytoft Hall | 1660 | Massingberd | extinct 1723 | |
| Matthews of Gobions | 1662 | Matthews | extinct 1708 | |
| Mauleverer of Allerton | 1641 | Mauleverer | extinct 1713 | |
| Maynard of Eaton Parva | 1611 | Maynard | extinct 1775 | created Baron Maynard (1620) in the Peerage of Ireland. |
| Maynard of Walthamstow | 1682 | Maynard | extinct 1865 | merged with Viscount Maynard in 1775. |
| Mayney of Linton | 1641 | Mayney | extinct 1706 | |
| Merces of France | 1660 | de Merces | status unknown | |
| Meredith of Stainsley | 1622 | Meredith | extinct 1739 | |
| Meux of Kingston | 1641 | Meux | extinct 1706 | |
| Middleton of Belsay Castle | 1662 | Middleton | extinct 1999 | |
| Middleton of Hackney | 1681 | Middleton | extinct 1702 | |
| Middleton of Leighton Hall | 1642 | Middleton | extinct 1673 | |
| Middleton of Ruthyn | 1622 | Middleton | extinct 1757 | |
| Milbanke of Halnaby | 1661 | Milbanke, Noel, Huskisson | extinct 1949 | |
| Mildmay of Moulsham | 1611 | Mildmay | extinct 1626 | |
| Mill of Camois Court | 1619 | Mill | extinct 1835 | |
| Miller of Chichester | 1705 | Miller | extant | |
| Miller of Oxenhoath | 1660 | Miller | extinct 1714 | |
| Modyford of Lincoln's Inn | 1664 | Modyford | extinct 1702 | |
| Modyford of London | 1661 | Modyford | extinct 1678 | |
| Mohun of Boconnoc | 1611 | Mohun | extinct 1712 | Merged with the barony of Mohun of Okehampton in 1639. |
| Molesworth-St Aubyn of Pencarrow | 1689 | Molesworth, Molesworth-St Aubyn | extant | |
| Molyneux of Sefton | 1611 | Molyneux | extinct 1972 | created Viscount Molyneux (1628) in the Peerage of England and Earl of Sefton (1771) in the Peerage of Great Britain. |
| Molyneux of Teversall | 1611 | Molyneux | extinct 1812 | |
| Monins of Waldershare | 1611 | Monins | extinct 1678 | |
| Monoux of Wotton | 1660 | Monoux | extinct 1814 | |
| Monson of Carleton | 1611 | Monson | extant | created Baron Monson (1728) in the Peerage of Great Britain. |
| Moody of Garesdon | 1622 | Moody | extinct 1661 | |
| Moore of Fawley | 1627 | Moore | extinct 1807 | |
| Moore of Mayds Morton | 1665 | Moore | extinct 1678 | |
| Mordaunt of Massingham Parva | 1611 | Mordaunt | extant | |
| Morden of Wricklemarsh | 1688 | Morden | extinct 1708 | |
| More of Loseley | 1642 | More | extinct 1684 | |
| More of More Hall | 1675 | More | extinct 1810 | |
| Morgan of Langattock | 1661 | Morgan | extinct 1767 | |
| Morgan of Llanternam | 1642 | Morgan | extinct 1728 | |
| Morland of Sulhamstead | 1660 | Morland | extinct 1716 | |
| Morrice of Werrington | 1661 | Morrice | extinct 1750 | |
| Morrison of Cashiobury | 1611 | Morrison | extinct 1628 | |
| Morton of Milbourne St Andrew | 1619 | Morton | extinct 1699 | |
| Mosley of Rolleston | 1640 | Mosley | extinct 1665 | |
| Mostyn of Mostyn | 1660 | Mostyn | extinct 1831 | |
| Mostyn of Talacre | 1670 | Mostyn | extant | |
| Mottet of Liege | 1660 | Mottet | status unknown | |
| Moyer of Petsey Hall | 1701 | Moyer | extinct 1716 | |
| Musgrave of Edenhall | 1611 | Musgrave | extant | |
| Myddelton of Chirke | 1660 | Myddelton | extinct 1718 |
Read more about this topic: List Of Baronetcies In The Baronetage Of England