| MACGWYDDON, Nechtan Neithon | | B. 570 | | D. 641 |
| MACKENNETH, Aed | | B. 836 | | D. 878 |
| MACKENNETH, Angaradd | | B. 834 | | |
| MACKENNETH, Constantine I | | B. 838 | | |
| MACKENNETH, Mael Muire Ingen Findliath | | B. 840 | | D. 912 |
| MACLMCHADA MACIMCHAD, Feg | | B. 240 | | |
| MACLOARN, Earca Riata | | B. 403 | | D. 474 |
| MACLORN, Erca (Princess of Dal Riata) | | B. ABT 345 | | D. 474 |
| MACMUIREDACH, Mac Earca | | | | |
| MACMUIREDACH, Tigernach | | | | |
| MACMUMHAN, Daire | | B. 555 | | D. 630 |
| MACNEITHON, Belli | | B. 598 | | D. AFT 659 |
| MACRINA | | B. 270 | | D. 340 |
| MACRINUS HERMOGENIANUS, Marcus Clodius | | B. 155 | | D. 210 |
| MACRINUS VIN, Marcus Claudius | | B. 124 | | D. 197 |
| MACSELBACH, Fergina Fionn | | B. 727 | | D. 778 |
| MACSEN, Aquileia ap | | B. ABT 368 | | |
| MACTHRINKLIND, Fincormach | | B. ABT 315 | | D. ABT 415 |
| MACTRETHEM, Ros Ruanaid | | B. 309 | | |
| MACTRETHEM, Unknwon Spouse of Ros Ruadanid | | B. 309 | | |
| MAELGWYN, Eurgain verch | | B. 610 | | |
| MAESIUS, Gaius Maesius Aquilius Fabius | | B. 155 | | |
| MAESIUS, Gaius Maesius Picatianus | | | | |
| MAESWIG, Arthwys ap | | B. ABT 420 | | |
| MAESWIG, Cynllo ap | | B. ABT 440 | | |
| MAGACH | | B. 330 | | D. 360 |
| MAGDELENE, Mary | | B. 3 | | D. 63 |
| MAGISSON, Seskef | | B. 680 | | |
| MAGMA, Ennodia of Roman Empire | | B. 374 | | |
| MAGNA, Adeodata | | | | |