| Name | Date of Death | Colliery | Cause |
|---|
| MACE Peter 39yrs | 30th March 1966 | Florence | Roof fall |
| MACHIN Harold 45yrs | 31st December 1963 | Wolstanton | Struck on Head by cage |
| MAGEE Charles 32yrs | 20th March 1961 | Hem Heath | Fall of roof |
| MANSELL William 47yrs | 2nd February 1953 | Dale Green | Explosion in Private Mine |
| MARTIN J.T. 57yrs | 3rd June 1949(I.D.) | Wolstanton | Fall of roof |
| MASON Jack. 61yrs | 11th March 1980 | Florence | Struck by empty mine car |
| MATIYEIO Prokop 26yrs | 8th July 1948 | Madeley | Fall of coal |
| MAUGHTY James E. 23yrs | 12th November1952 | Mossfield | Heavy Roof fall |
| MAY Robert 30yrs | 19th October 1967 | Florence | Struck by falling stone |
| McGLEISH John 34yrs | 13th June 1963 | Glebe | Underground Explosion |
| McGOVERN Edward J. 43yrs | 11th June 1959 | Silverdale | Fall of roof |
| McGUCKIN J. 48yrs | 14th February 1957 | Victoria | Crushed by coal cutter |
| McGUINNES Arthur V. 22yrs | 28th September 1973 | Florence | Hit head on pipe |
| McNANCY J. 53yrs | 7th October 1969 | Hem Heath | Crushed by coal cutter |
| McSPORRON James W. 48yrs | 16th July 1958 | Florence | Fall of roof |
| MEAKIN Thomas W. L. 45yrs | 2nd Feburuary 1953 | Dale Green | Explosion in Private mine |
| MELLOR Graham 19yrs | 23rd September 1960 | Parkhall | Roof Fall |
| MELVILLECharles 60yrs | 28th December 1959 | Parkhall | Electrocution |
| MITCHELLCharles 61yrs | 14th December 1961 | Sneyd | Found between mine cars |
| MORRIS Robert 29yrs | 24th May 1974 | Silverdale | Fall of coal |
| MOUNTFORD Jessie 30yrs | 14th November 1952 | Victoria | By Roof fall |
| MOUNTFORD J. u/kyrs | 27th November 1962 | Chatterley | Haulage Accident |
| MULVEY Paddy 36yrs | 12th November 1952 | Silverdale | Crushed by a truck |
| .......... | ........ | .......... | .......... |
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