Places
- Marietta (Ohio)1
- Marion County (W. Va.)12
- Marshall County (W. Va.)3
- Marshall County.2
- Maryland4
- Mason County (W. Va.)3
- Mason County.2
- Matewan (W. Va.)1
- McDowell County (W. Va.)2
- Mercer County (W. Va.)2
- Mineral County (W. Va.)3
- Mingo County (W. Va.)1
- Mississippi2
- Monongahela River (W. Va. and Pa.)3
- Monongalia County (W. Va.)[remove]176