Connecting people to their diverse family heritage

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.

Events and Education

CGS is more than just a research library. Come learn how to do genealogical research by taking classes. Learn about upcoming field trips, research trips, special events, and headline speakers. See our full calendar of events to attend online or in person.

Videos for CGS Members

Exclusive Videos for CGS Members – Class and Event Recordings and Tech Talks – learn how to use our tech tools — Google Drive, G-Mail and Meet.

SEE VIDEOS

Special Interest Groups (SIG)

The society has special interest groups for members to link up with others doing similar research.

JOIN A SIG

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.

CONNECT NOW

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.

LEARN MORE

Get Started

See Videos

HIRE A RESEARCHER

September Issue

The September 2024 Issue of Jukebox Genealogy is here! Members only benefit. Read it Now!

CGS Online - FREE! - Intro to Genealogy

CGS Online ONLY - Intro to Genealogy - Sign up now for Saturday, Oct 5.

CGS to Sutro Library - Oct 8

CGS Field Trip to Sutro LIbrary - Oct 8 - Members ONLY - FREE - Contact Jane Lindsey - [email protected]!

2nd Wednesday - CGS Members' Roundtable

CGS' Members' Only Roundtable - FREE - Special Interest Group - 2nd Wed of the month - Oct 9 - Sign up Now!

CGS Special Interest Groups

CGS Special Interest Groups - Oct 19 -- 23 meet (online or in person) with other members with similar research interests. Sign up Now!

CGS Online - Fire Insurance Maps - Oct 26

CGS Online - Heat Up Your Genealogical Research with Fire Insurance Maps - Oct 26 - FREE - Sign up Now!