- Mackville
- Maryknoll
- Millwood
- Mink Island
- Marlo
- Mill
- Millers
- Minnith
- Mitchell Island
- Mosher
- Middle Grove
- May
- McCullough Ford
- McNatt
- Meadors Ford
- Mount Shira
- Mercyville
- Marsh Creek
- Millcreek
- Meyerstown
- Marling
- Mineola
- Marvin
- Mark
- Mount Zion Community
- Mungers
- Murphy Island
- Melby
- Modena
- Morrison Towhead