| Name | Position Held | Dates | Colliery |
| Malpass S. | Electrical Engineen | 1991 | Silverdale |
| .......... | ........ | .......... | .......... |
| Matthews Ken | Under Manager | 1971 to 1981 | Florence |
| Deputy Manager | 1983 to 1987 | Florence |
| .......... | ........ | .......... | .......... |
| Mawdsley M.E | Manager | 1956 to 1961 | Hem Heath |
| .......... | ........ | .......... | .......... |
| McKee W. | Under Manager | 1947 | Chatterley |
| .......... | ........ | .......... | .......... |
| McNeal W.P | Under Manager | 1950 to 1962 | Parkhall |
| Under Manager | 1964 to 1965 | Foxfield |
| .......... | ........ | .......... | .......... |
| Meir B. M. | Assistant to the Manager | 1969 to 1970 | Victoria |
| .......... | ........ | .......... | .......... |
| Middlemass R. | Under Manager | 1971 to 1975 | Holditch |
| .......... | ........ | .......... | .......... |
| Moffat A.M. | Under Manager | 1950 to 1957 | Stafford |
| .......... | ........ | .......... | .......... |
| Moncur Boris | Assistant to the Manager | 1967 to 1970 | Hem Heath |
| Under Manager | 1971 to 1982 | Hem Heath |
| .......... | ........ | .......... | .......... |
| Moores A. | Under Manager | 1950 | Foxfield |
| .......... | ........ | .......... | .......... |
| Morland J. | Assistant to the Manager | 1968 to 1970 | Florence |
| Under Manager | 1971 to 1975 | Florence |
| .......... | ........ | .......... | .......... |
| Morrall D. | Under Manager | 1965 to 1968 | Wolstanton |
| Under Manager | 1969 to 1973 | Norton |
| Deputy Manager | 1975 to 1981 | Wolstanton |
| .......... | ........ | .......... | .......... |
| Morris G. | Manager | 1960 to 1961 | Parkhouse |
| Manager | 1963 to 1968 | Holditch |
| .......... | ........ | .......... | .......... |
| Mottram G. | Assistant to the Manager | 1968 to 1970 | Hem Heath |
| Under Manager | 1971 to 1975 | Hem Heath |
| .......... | ........ | .......... | .......... |
| Mountford B. | Under Manager | 1967 | Holditch |
| Assistant Manager | 1968 | Holditch |
| .......... | ........ | .......... | .......... |
| Murphy P.J. | Manager | 1954 | Wolstanton |
| Manager | 1958 | Berry Hill |
| Manager | 1959 to 1960 | Parkhall |
| .......... | ........ | .......... | .......... |
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