The Genealogical Society of Pennsylvania has the following research guides to help you with finding resources for researching Pennsylvania counties.
The resource guides contain links to pages outside of the GSP website. Links can change and websites expire, if a page doesn’t look like the information you think it should, you might want to double check and let us know at info@genpa.org.
RESEARCH GUIDES
- Adams County Repository Guide
- Allegheny County Repository Guide
- Armstrong County Repository Guide
- Beaver County Repository Guide
- Bedford County Repository Guide
- Berks County Repository Guide
- Blair County Repository Guide
- Bradford County Repository Guide
- Bucks County Repository Guide
- Butler County Repository Guide
- Carbon County Repository Guide
- Cambria County Repository Guide
- Cameron County Repository Guide
- Centre County Repository Guide
- Chester County Repository Guide
- Clarion County Repository Guide
- Clearfield County Repository Guide
- Clinton County Repository Guide
- Columbia County Repository Guide
- Crawford County Repository Guide
- Cumberland County Repository Guide
- Dauphin County Repository Guide
- Delaware County Repository Guide
- Erie County Repository Guide
- Elk County Repository Guide
- Fayette County Repository Guide
- Forest County Repository Guide
- Franklin County Repository Guide
- Fulton County Repository Guide
- Greene County Repository Guide
- Huntingdon County Repository Guide
- Indiana County Repository Guide
- Jefferson County Repository Guide
- Juniata County Repository Guide
- Lackawanna County Repository Guide
- Lancaster County Repository Guide
- Lawrence County Repository Guide
- Lebanon County Repository Guide
- Lehigh County Repository Guide
- Luzerne County Repository Guide
- Lycoming County Repository Guide
- McKean Repository Guide
- Mercer County Resource Guide
- Mifflin County Resource Guide
- Monroe County Repository Guide
- Montgomery County Repository Guide
- Montour County Repository Guide
- Northampton County Repository Guide
- Northumberland County Repository Guide
- Perry County Repository Guide
- Philadelphia Repository Guide Philadelphia City and County became one with the Consolidation Act of 1854
- Pike County Repository Guide
- Potter County Repository Guide
- Schuylkill County Repository Guide
- Snyder County Repository Guide
- Somerset County Repository Guide
- Sullivan County Repository Guide
- Susquehanna County Repository Guide
- Tioga County Repository Guide
- Union County Repository Guide
- Venango County Repository Guide
- Warren County Repository Guide
- Washington County Repository Guide
- Wayne County Repository Guide
- Westmoreland County Repository Guide
- Wyoming County Repository Guide
- York County Repository Guide
PENNSYLVANIA GENWEB
PENNSYLVANIA COUNTY FORMATION
To know where to search for records, you need to consider when your county of interest was formed, the counties from which it was formed, and the counties that were formed from it.
For more information, consult the list of county creation dates and parent counties at FamilySearch.org.
This site will help you to determine your county’s own history and genealogy.
History of County Formations in Pennsylvania: 1673-1878
PENNSYLVANIA STATE ARCHIVES
The Pennsylvania State Archives site includes links to the Pennsylvania Death Certificates 1906-1963 and Birth Certificates 1906-1908, free with a Pennsylvania zip code through Ancestry.com.
SUBJECT GUIDES