Welcome to the Genealogical Society of Pennsylvania

The Genealogical Society of Pennsylvania Seal

The Genealogical Society of Pennsylvania (GSP) is a non-profit educational institution located at 2100 Byberry Road, Suite 111, Philadelphia, Pennsylvania 19116. Founded in 1892, GSP is one of the earliest genealogical societies founded in the United States. Our mission is to provide leadership and support in promoting genealogy through education, preservation, and access to Pennsylvania-related genealogical information. GSP is committed to preserving and publishing primary source records and to helping people to search for their ancestors.

The GSP Library is free for GSP members and is open to the public with a $5 admission fee. Appointments are required: info@genpa.org or 267-686-2296. All visitors, staff, and volunteers are required to wear masks and stay six feet apart. Your safety is our priority!

Library Hours: Monday, Tuesday, Thursday 10 a.m. – 4 p.m. Saturday (2nd and 4th Saturdays) 10 a.m. – 2 p.m.

FamilySearch Affiliate Library

Laptop open with FamilySearch logo on screen and large monitor with FamilySearch logo on screen

Visit the FamilySearch Affiliate Library at GSP to view FamilySearch collections not viewable at home


Search over 200 collections online, along with our book catalog and manuscripts collection lists

Publications and Email List

Read the GSP newsletter online for articles about activities, resources for research, and other feature articles or subscribe to the GSP email list to receive the monthly newsletter and other GSP updates. To submit articles or notices for publication, email editor@genpa.org.

The Pennsylvania Genealogical Magazine (1948-2015), the Publications of the Genealogical Society of Pennsylvania (1895-1947), and our previous newsletter, Penn In Hand, are online for GSP members through our Publications page. Penn in Hand issues from 1980 – 1997 still need to be added to the website, but are available at the GSP Library. A few remaining volumes of PGM are still being added to the website.

GSP Newsletter

Penn In Hand

GSP Store

Visit the GSP Store to purchase books, GSP merchandise, research services, and to become a GSP member.

Become a GSP Member    ~    Donate to GSP 


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