| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|
| Mary | 23 | Marius | 1 | Moda | 1 | Massey | 17 | MacAlpin, King of Scotland | 1 |
| Metcalf | 3 | Mawr, Dux Cornwall | 1 | Munon | 1 | Mauduit, De | 8 | MacEochaid, King of Kintyre and Scotland | 1 |
| Metcalfe | 14 | Mymbyr | 1 | Monomachus | 1 | MacDonal | 5 | MacFergus, King of Scots | 1 |
| Marjorie | 2 | Madog | 9 | Mucil | 1 | Maldred, King Of Cumbria | 1 | MacEchdach, King of Scots | 1 |
| Margaret | 26 | Melka | 1 | Mercia | 11 | Morcarson | 1 | MacDomnaill, King of Scotland | 1 |
| Morlaix, De | 1 | Methuselah | 1 | Metz | 3 | Maldred, Lord of Galloway | 1 | MacAidan, King of Scotland | 1 |
| Muntinga | 1 | Mahalaleel | 1 | Macedonia | 2 | Mameslape, De | 1 | Manau | 1 |
| McKinley | 1 | Mualaleth | 1 | Matilda | 22 | Magnificent",6th Duke of Normandy | 1 | MacEarca, 131st Monarch of Ireland | 1 |
| Manjon | 1 | Matthat, mother of Jesus | 1 | Montfort | 1 | Mieszko, Prince of Poland | 1 | Megingoz, Count in the Avalgau | 1 |
| Myers | 3 | Melchi | 2 | Metz, Von | 1 | Meszko | 1 | MultonIII, Baron Lucy, de | 1 |
| Miller | 5 | Mattathias | 2 | MeginhardII , Count of Hamalant | 1 | Maria, Princess of Bohemia | 1 | Multon, Baron Lucy, De | 2 |
| Marverud | 3 | Maath | 1 | MeginhardI , Count in Hamalant | 1 | Miloslava | 1 | Morville, De | 12 |
| Martin | 3 | Matthat | 3 | Montgomery, de | 24 | Mstivoj | 1 | Morville, Constable of Scotland, De | 2 |
| McComb | 1 | Melia | 1 | Montgomery, Earl of Pembroke, de | 1 | Mnbata | 1 | Murdac | 6 |
| Marsh | 2 | Menna | 1 | Montgomery, Abbess of AlmenŠches, de | 1 | Murrough | 1 | Meschines, Lord Copeland, de | 1 |
| Morse | 4 | Mattatha | 1 | Montgomery, Earl of Shrewsbury, de | 1 | Maonach | 1 | Mannesson, Duke of the East Angles | 1 |
| Merrill | 14 | Maachah | 1 | Mathilde | 16 | Malcolm | 6 | Meschines, Vicomte de Bayeax, le | 2 |
| March | 5 | Minor | 3 | Mayenne, de | 13 | Montecute, De | 1 | Morcar | 2 |
| Moody | 3 | Major | 3 | Montgomery, Vicomte of Hiems, de | 1 | Metz, De | 2 | Multon, de | 11 |
| Martha | 2 | Metella | 1 | Mancio | 1 | Mathilda | 6 | Montfort, Earl of Leicester, de | 3 |
| Masterson | 4 | MarcomirIII, King Of The West Franks | 1 | Munia | 2 | Montfort, de | 54 | Montfort, Count of Evreux, de | 1 |
| Mitchell | 3 | Merodochus | 1 | Mauger | 2 | Maine, Du | 2 | Martel, Count of Anjou | 1 |
| Merrick | 1 | Mercimir | 1 | Mien, Baron de Fougeres | 2 | Matuedoi | 1 | Mayeul | 1 |
| Mossman | 1 | Magnus | 3 | Macon, De | 8 | Morone | 1 | Marche, de la | 2 |
| Moores | 1 | Martel, King of the Franks | 1 | Macon, Countess of Burgundy, De | 1 | Meriadoc, King of Britain | 1 | Maurienne, Count of Savoy, De | 1 |
| Morrill | 1 | Mieceslas | 2 | Mons | 1 | Mawr | 11 | Maria | 8 |
| Moulton | 5 | Mistui, Prince of the Obotrites | 1 | Milne | 1 | Meirion | 1 | Montlhery, de | 7 |
| Molyneux | 93 | Mieceslas, King of Obotrites | 1 | McDonald | 2 | Maine, de | 8 | Metz, Count in the Metzgau, Von | 1 |
| Molyneux, de | 21 | Mistui, King of Obotrites | 1 | Merritt | 1 | Manguene | 1 | Montlhhery, Count of Rochefort, de | 1 |
| Molyneux, Lord of Sefton, de | 1 | Mandana | 1 | Morrison | 1 | Mortaigne, de | 6 | Montfort, Count of Evereaux, de | 1 |
| Moulin, de | 1 | mistress | 6 | Marie | 2 | Mortaigne, Earl of Cornwall, de | 2 | Montdidier, de | 2 |
| Mobberley | 8 | Merovingian | 1 | Mowrer-Ball | 1 | Marche | 2 | Manasses | 2 |
| Mortimer, De | 58 | Martel | 1 | Mummy | 1 | Maud | 21 | Montlhbery, de | 1 |
| Meroving, King of all Franks | 1 | Mycheldever | 1 | Meraioth | 2 | Martin, Sire de Vitre' | 1 | Marets, Des | 1 |
| Meroving | 1 | Montgomery, Earl of Shrewbury, de | 1 | Mery-Amon, Princess of Mitanni | 1 | Miron, Count of Cerdagne and Besalu | 1 | Montlhhery, de | 1 |
| Maerovaee | 1 | Magnus, Duke of France | 1 | Mereret | 1 | Maud , Duchess of Swabia | 1 | Milon,Seigneur de la Ferte-sur-Ourcy | 1 |
| Marcomir | 1 | Morvois, de | 1 | Mudad | 1 | Martyr' | 1 | Montmorency, de | 8 |
| MarcomirII, Duke of the Franks | 1 | Manasser, Count of Vergy & Chalons | 1 | Mitanni | 1 | Magnificent', King of England | 1 | - | - |
| MarcomirIV, King of the Franks | 1 | Manasser, Count of Vergy | 1 | Menkheperre, Pharoah of Egypt | 1 | MacKenneth, King of Scotland | 1 | - | - |
| Mandubratius | 1 | More | 2 | Mutnefert | 1 | MacKenneth | 1 | - | - |
| Mathonwy | 2 | Magi | 1 | Mabel | 2 | Malcolm, King of Alba and Scotland | 1 | - | - |
