The library is open on Thursdays through Saturdays (10-2). See Directions and Parking for info on Saturday visits, which have different procedures than weekdays. Parking is no longer free on weekends. See our Events and Education for online and in-person sessions.
All Ireland Genealogy Seminar
CGS will host the first stop of the 2025 Ulster Historical Foundation US Tour. The stop covers two events on two days at two Oakland locations. February 28th and March 1st.
Special Interest Groups (SIG)
The society has special interest groups for members to link up with others doing similar research.
Sign Up for Member Connections
Now you can connect with other CGS members who have similar research interests. Create your own profile and start reaching out.
Online Resources
Providing additional Online Resources on our website is a priority. These resources include lineage charts developed by our members, which provide finding aids and images. Search to find out if someone you are researching is included.
Visit Our Library
The CGS Library has over 38,000 genealogical books, historic maps, one-of-a kind manuscripts collection, and computers with programs for doing research. Find an experienced volunteer to get help.
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HIRE A RESEARCHER