Martic Forge, Pennsylvania
Marticville, Pennsylvania
Martindale, Pennsylvania
Martins Creek, Pennsylvania
Martinsburg, Pennsylvania
Mary Mastersonville, Pennsylvania
Marysville, Pennsylvania
Masontown, Pennsylvania
Masthope, Pennsylvania
Matamoras, Pennsylvania
Mather, Pennsylvania
Mattawana, Pennsylvania
Maxatawny, Pennsylvania
Mayberry, Pennsylvania
Mayfield, Pennsylvania
Mayport, Pennsylvania
Maytown, Pennsylvania
Mazeppa, Pennsylvania
McAdams, Pennsylvania
McAdoo, Pennsylvania
McAlisterville, Pennsylvania
McCalmont, Pennsylvania
McCandless, Pennsylvania
McClellan Heights, Pennsylvania
McClellandtown, Pennsylvania
McClure, Pennsylvania
McConnellsburg, Pennsylvania
McConnellstown, Pennsylvania
McDonald, Pennsylvania
McElhattan, Pennsylvania
McEwensville, Pennsylvania
McGovern, Pennsylvania
McGrann, Pennsylvania
McHenry, Pennsylvania
McIntyre, Pennsylvania
McKean, Pennsylvania
McKeansburg, Pennsylvania
McKees Rocks, Pennsylvania
McKeesport, Pennsylvania
McKnightstown, Pennsylvania
