| Name | aka | Birth date | Birth location | Marriage date | Marriage location | Death date | Death location |
| Louis VII (the Younger), King of France | | 1119 | Reims, Marne, France | July 22, 1137 | Bordeaux Cathedral, Bordeaux, France | September 18, 1180 | Paris, Seine, France |
| Louis VIII (the Lion), King of France | | September 3, 1187 | Paris, Seine, France | May 23, 1200 | Pont Audemer, Eure, France | November 8, 1226 | Puy-de-Dome, France |
| Helen Miriam Lowell | | | | | | | |
| Lucy | | | | | | | |
| Ludolphe of Saxony, Margrave of Saxony | | | | | | 1038 | |
| Luitgarda of Vermandois | | Abt. 915 | | Bef. 945 | | Aft. February 9, 977/78 | |
| Luitgarde von Moha & Sultzbach | | Abt. 1109 | | 1139 | | 1162 | |
| Sibyl Lumley | | WFT Est. 1476-1488 | | September 9, 1513 | | WFT Est. 1518-1581 | |
| Thomas Lumley | | WFT Est. 1445-1470 | | WFT Est. 1472-1486 | | 1487 | |
| M£nón of Troy, King of Troy | | | | | | | |
| Charles Frye MacIntyre | | | | | | | |
| Madoc ap Maredudd, Prince of Powys | | 1091 | Powys, Wales | WFT Est. 1123-1152 | | 1160 | Winchester, Hampshire, England |
| Margaret Verch Madog | | 1134 | Abberffraw, Anglsy, Wales | WFT Est. 1162-1181 | | WFT Est. 1166-1228 | |
| Máel Mórda macMuirecán O'Fáeláin | | | | | | 917 | |
| Maelgwyn ap Cadwallon | | | | | | 547 | |
| Magi | | | | | | | |
| Malcolm I of Alba, King of Scotland | | | | | | 954 | battle |
| Malcolm II of Alba, King of Scotland | | Abt. 954 | Scotland | Abt. 983 | | November 25, 1034 | Glamis Castle, Angus, Scotland |
| Malcolm III Caennmor, King of Scotland | | Abt. 1031 | Atholl, Perthshire, Scotland | 1068 | Dunfermline Abbey, Fife, Scotland | November 13, 1093 | Northumberland, England |
| Maldred, Earl of Dunbar | Scotland, Maldred of, Lord of Allerdale | WFT Est. 997-1023 | | WFT Est. 1032-1044 | | 1045 | |
| Malusha | | | | | | | |
| Catha¡r Már, King of Leinster | | | | | | | |
| Ann Marchant | | WFT Est. 1568-1592 | Rochelle, France | October 8, 1608 | France | WFT Est. 1613-1681 | France |
| Maredudd ap Bleddyn, Prince of Powys | | 1047 | Wales | WFT Est. 1091-1117 | | 1124 | |
| Maredudd ap Owain, Prince of Deheubarth | | | | | | 999 | |
| Angharad Ferch Maredudd, Queen of Powys | | | | | | | |
| Margaret | | 1135 | | Bef. 1155 | | 1172 | |
| Margaret | | Abt. 1179 | England | Abt. 1204 | | Aft. January 28, 1231/32 | |
| Margaret | | WFT Est. 1679-1708 | Virginia | WFT Est. 1719-1732 | | February 26, 1768 | New Kent County, Virginia |
| Margaret I, Countess of Flanders | | June 2, 1202 | Constantinople, Turkey | March 1211/12 | | February 10, 1279/80 | |
| Margaret of Flanders | D'Alsace, Marguerite | Abt. 1135 | Alsace, France | April 1169 | | November 15, 1194 | |
| Margaret of Sicily | | WFT Est. 1263-1279 | Naples, Sicily | August 16, 1290 | | December 31, 1299 | |
| Marguerite, Queen of Navarre | | WFT Est. 1196-1220 | | March 1231/32 | | WFT Est. 1247-1308 | |
| Maria of Germany | Maria de Swabia | 1201 | Constantinople, Constantinople, Turkey | Bef. August 22, 1215 | | 1235 | |
| Marie de Champagne | | 1174 | Champagne, France | 1185 | | August 29, 1204 | |
| Marie of France | | April 1138 | France | 1164 | | March 11, 1197/98 | |
| Marie, Countess of Ponthieu | Jeanne | 1196 | | 1208 | | 1251 | |
| Catherine Marine | | August 31, 1944 | | September 21, 1974 | | | |
| Avice Marmion | | WFT Est. 1291-1357 | | WFT Est. 1324-1384 | | WFT Est. 1324-1433 | |
| John Marmion | | WFT Est. 1235-1284 | | WFT Est. 1271-1319 | | WFT Est. 1271-1360 | |
| John Marmion | | WFT Est. 1263-1321 | | WFT Est. 1299-1355 | | WFT Est. 1299-1395 | |
| William Marmion | | WFT Est. 1204-1251 | | WFT Est. 1244-1286 | | WFT Est. 1244-1327 | |
| Gilbert Henry Marquardt, Jr. | | | | | | | |
| Martica Stevens Marquardt | | | | June 10, 1995 | Lake Forest, Illinois | | |
| Eva Marshal | Marshal, Eve | 1206 | Pembroke, Wales | | | 1246 | |
| Gilbert Marshal, Marshal of England | | 1100 | Pembroke, England | WFT Est. 1131-1165 | | Abt. 1130 | |
| Isabella Marshal | | October 9, 1200 | Pembroke Castle, Wales | October 9, 1214 | Tewkesbury Abbey, Gloucester | January 15, 1239/40 | Berkhamsted Castle, Hertfordshire, England |
| John FitzGilbert Marshal, Marshal of England | | 1126 | Pembroke, Pembroke, England | Aft. 1141 | | 1165 | |
| Matilda Marshal | Marshal, Maud | 1192 | Pembroke, Pembroke, Wales | 1207 | | March 27, 1248 | |
| William Marshal, Earl of Pembroke 4 | | 1146 | Pembroke, Wales | August 1189 | London, England | May 14, 1219 | Caversham |