

| Adams | 1800 | York | |
| Allegheny | 1786 | Washington Westmoreland |
|
| Armstrong | 1800 | Allegheny,
Lycoming Westmoreland |
|
| Beaver | 1800 | Allegheny,Washington | |
| Bedford | 1771 | Cumberland | |
| Berks | 1752 | Chester, Lancaster Philadelphia |
Sara Anderson |
| Blair | 1846 | Bedford Huntingdon |
|
| Bradford | 1810 | Luzerne, Lycoming | Joyce M. Tice |
| Bucks | 1682 | Original county | |
| Butler | 1800 | Allegheny | |
| Cambria | 1804 | Bedford, Huntingdon, Somerset | |
| Cameron | 1860 | Clinton, Elk, McKean, Potter | |
| Carbon | 1843 | Monroe, Northampton | Barb Lavin |
| Centre | 1800 | Huntingdon, Lycoming, Mifflin, Northumberland |
|
| Chester | 1682 | Original County | |
| Clarion | 1829 | Armstrong, Venango | |
| Clearfield | 1804 | Huntingdon, Lycoming | |
| Clinton | 1839 | Centre, Lycoming | Dave Wallace |
| Columbia | 1813 | Northumberland | |
| Crawford | 1800 | Allegheny | |
| Cumberland | 1750 | Lancaster | Viola Limric |
| Dauphin | 1785 | Lancaster | |
| Delaware | 1789 | Chester | |
| Elk | 1843 | Clearfield, Jefferson, McKean | |
| Erie | 1800 | Allegheny, Crawford | |
| Fayette | 1783 | Westmoreland | Adoption Pending |
| Forest | 1848 | Jefferson, Venango | |
| Franklin | 1784 | Cumberland | |
| Fulton | 1850 | Bedford | |
| Greene | 1796 | Washington | |
| Huntingdon | 1796 | Bedford | |
| Indiana | 1803 | Lycoming, Westmoreland | |
| Jefferson | 1804 | Lycoming | |
| Juniata | 1831 | Mifflin | Viola Limric |
| Lackawanna | 1878 | Luzerne | |
| Lancaster | 1729 | Chester | |
| Lawrence | 1849 | Bercer, Mercer | |
| Lebanon | 1813 | Dauphin, Lancaster | |
| Lehigh | 1812 | Northampton | |
| Luzerne | 1786 | Northumberland | |
| Lycoming | 1795 | Northumberland | |
| McKean | 1804 | Lycoming | |
| Mercer | 1800 | Alleghney, Crawford | |
| Mifflin | 1789 | Cumberland, Northumberland | |
| Monroe | 1836 | Northampton, Pike | |
| Montgomery | 1784 | Philadelphia | |
| Montour | 1850 | Columbia | |
| Northampton | 1752 | Bucks | |
| Northumberland | 1752 | Bedford, Berks,Cumberland Lancaster, Northampton |
|
| Perry | 1820 | Cumberland | Viola Limeric |
| Philadelphia | 1682 | original county | |
| Pike | 1814 | Wayne | |
| Potter | 1804 | Lycoming | |
| Schuylkill | 1811 | Berks, Northampton | Barb Lavin Pat Cieslinski |
| Snyder | 1855 | Union | |
| Somerset | 1795 | Bedford | Carol Hepburn |
| Sullivan | 1847 | Lycoming | |
| Susquehanna | 1810 | Luzerne | |
| Snyder | 1855 | Union | |
| Tioga | 1804 | Lycoming | Joyce Tice |
| Union | 1813 | Northumberland | |
| Venango | 1800 | Alleghney, Crawford, Lycoming | |
| Warren | 1800 | Alleghney, Crawford, Lycoming, Venango | |
| Washington | 1781 | Westmoreland | |
| Wayne | 1798 | Northampton | |
| Westmoreland | 1773 | Bedford | |
| Wyoming | 1842 | Luzerne | |
| York | 1749 | Lancaster |
Return toALHN Pennsylvania or ALHN Pennsylvania: Special Projects
This American Local History Network site is maintained by Barbara Lavin.
If you would like more information on this project, how to adopt an available county or special interest website,
please read About The American Local History Network Project first, then contact the state coordinators for any additional requirements or information.
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