| Name | Date of Death | Colliery | Cause |
|---|---|---|---|
| OAKES James 48yrs | 2nd February 1953 | Dale Green | Explosion in Private mine |
| OBRIEN George H. 45yrs | 2nd May 1963 | Wolstanton | Cause unknown |
| OKONSKI Stanisaw T. 53yrs | 12th July 1978 | Wolstanton | Struck whilst working on belt |
| OWEN Harold 60yrs | 12th May 1953(I.D) | Chatterley Whitfield | Fall of dirt |
| .......... | ........ | .......... | .......... |
| .......... | ........ | .......... | .......... |