Region
Pennsylvania
14
Philadelphia
6
Philadelphia (Pa.)
6
Maryland
3
Montgomery County
3
Virginia
3
Washington (D.C.)
3
Montgomery County (Pa.)
2
Berks County
1
Berks County (Pa.)
1
Broad Creek Hundred
1
Broad Creek Hundred (Del.)
1
Bucks County
1
Bucks County (Pa.)
1
Chester County
1
Chester County (Pa.)
1
Cumberland County
1
Cumberland County (Pa.)
1
Delaware
1
Hamburg Schnellpost (Berks County, Pa.)
1
Huntingdon County
1
Huntingdon County (Pa.)
1
Montgomery County (Ohio)
1
Northumberland County
1
Northumberland County (Pa.)
1
Ohio
1
Plumstead (Pa. : Township)
1
Sussex County (Del.)
1