Prince / Duke / Marquess / Earl / Viscount / Lord
| Name | Date of Birth | Date of Death | Beamish Person Id | Rush Id |
|---|---|---|---|---|
| MCGOWAN Harry Duncan Cory | 1938-07-20 | 2003-05-06 | 4768 | |
| MCGOWAN Harry Duncan | 1874-06-03 | 1961-07-13 | 882 | |
| MCGREGOR Oliver Ross | 1921-08-25 | 1997-11-10 | 1500 | |
| MCINNES Mark | 2442 | |||
| MCINTOSH Andrew Robert | 1933-04-30 | 2010-08-27 | 1589 | |
| MCKENZIE William David | 1946-07-24 | 2021-12-02 | 2127 | |
| MCLAREN Henry Charles | 5429 | |||
| MCLAREN Henry Duncan | 1879-04-16 | 1953-05-23 | 2887 | 7983 |
| MCLAREN Charles Melville | 1913-04-16 | 2003-02-04 | 2888 | |
| MCLAREN Charles Benjamin Bright | 1850-05-12 | 1934-01-23 | 633 | 7651 |
| MCLEAVY Frank | 1899-01-01 | 1976-10-01 | 1307 | 5014 |
| MCLOUGHLIN Patrick Alan | 2531 | 496 | ||
| MCNAIR Arnold Duncan | 1885-03-04 | 1975-05-22 | 1095 | |
| MCNAIR Clement John | 1915-01-11 | 1989-08-07 | 5277 | |
| MCNAIR Duncan James | 4309 | |||
| MCNALLY Tom | 1821 | 5022 | ||
| MCNEILL Duncan | 1793-08-20 | 1874-01-31 | 293 | 5025 |
| MCNEILL Ronald John | 1861-04-30 | 1934-10-12 | 781 | 5024 |
| MCNICOL Iain Mackenzie | 2493 | |||
| MEADE Richard James | 1832-10-03 | 1907-08-04 | 6245 |