| MILLS, Elizabeth | | B. ABT 1645 | | D. ABT FEB 1715 |
| MILLS, John | | B. 1615 | | |
| MILON, Erminia | | B. ABT 830 | | |
| MINOR DE ROME, Julia Quadratilla | | B. 144 | | |
| MISTRESS, Gerswinda | | B. 745 | | D. AFT 800 |
| MITCHEL, Alison | | B. 22 DEC 1598 | | |
| MITHRADATES, Kleopatra spouse of VI | | | | |
| MITHRIDATID, Mithradates Euergetes | | | | |
| MITHRIDATIDES, Pharmace II | | | | |
| MOELMUD, Belinus ap Dyfnwal | | | | |
| MOELMUD, Brennius ap Dyfnwal | | | | |
| MOELMUD, Elsingius spouse of Belinus ap Dyfnwal | | | | |
| MOLLENES, Julian | | B. ABT 1147 | | |
| MOLLENES, Richard | | B. 1120 | | |
| MOLWYNOG, Nest ferch Rhodri | | B. 730 | | |
| MOND, Fara | | B. 324 | | |
| MONEYER, Ranulf | | B. 1000 | | |
| MONTAIGNE, William de Burgo | | B. 1060 | | D. 1140 |
| MONTDIDIER, Beatrix de Ramerupt | | B. 1040 | | D. 2 SEP 1129 |
| MONTDIDIER, Hilduin III of | | | | D. AFT 1032 |
| MONTDIDIER, Margot de Mouchy | | B. 992 | | |
| MONTECANISCO, Muriel de | | B. ABT 988 | | |
| MONTFORT, Adeliza de | | B. 1053 | | D. 1128 |
| MONTFORT-SUR-RISLE, Guillaume Bertrand | | | | D. AFT 2 APR 1089 |
| MONTGOMERY, Baldwin Boulers of | | B. ABT 1080 | | D. BEF 1155 |
| MONTGOMERY, Lattice | | B. 1128 | | D. 1198 |
| MONTGOMERY, Ralf | | B. 1128 | | |
| MONTLHERY, Alix de | | B. 1040 | | D. 1097 |
| MONTLHERY, Hodierne de | | B. 1045 | | |
| MONTREUIL, Heligaud II | | B. 845 | | D. AFT 879 |