San Mateo County Genealogical Society

Discovering Our Family History Together

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Welcome to SMCGS

News

The Library is Open!  

See website for hours and location

Genealogy consultants are available Tuesday, Thursday, and Saturday.  

Drop in or contact Library manager (librarian@smcgs.org) to schedule an 

appointment

See our library schedule here

See events at the San Mateo Public Library here

   MyChinaRoots is now available at San Mateo County Libraries.  For more information, click HERE

Find us

DNA Discoveries: Using Autosomal & Direct Line Testing

June 27 2026 10:30 AM  via Zoom

Curious about what you might discover using DNA testing for genealogy? This beginner-friendly session explores how different types of DNA — autosomal, Y-DNA, and mitochondrial DNA — can help confirm family connections, add new branches to your tree, and break through brick walls. The session will include a high-level overview of DNA tools available at the major testing sites. Case studies will illustrate how the presenter has used DNA to uncover family stories.

Terry is a genealogist with nearly 50 years of experience, specializing in DNA-based research to solve family mysteries. She facilitates a monthly Research Like a Pro with DNAsession for her local family history society and leads the Advanced DNA group for the BC Genealogical Society, where she supports researchers in refining their skills and building confidence in working with DNA results.

Register Here

Check out our San Mateo History Board in the library


A Few of our Meetings

Shortcuts

Come visit us!


The SMPL, in conjunction with SMCGS, is now a FamilySearch Affiliate Library.  Find out more about the resources at these libraries here.

Upcoming public events

 For more information about our monthly meetings click here

Upcoming events for members

Join us!

Become a member of SMCGS and share our genealogical adventure!

About us

The San Mateo County Genealogical Society supports the study of family history in the Bay Area and beyond.

  • We get together to learn and share information in monthly meetings, seminars with well-known speakers, workshops and special-interest groups.
  • We support research through our genealogy library located at the San Mateo Public Library, online databases, and research services
  • We connect with each other through blog and monthly eNews notices about SMCGS events.

Learn more   Email us

Download the SMCGS app

Download the SMCGS app from Wild Apricot to your smartphone. With this app, you can:

  • View your member profile
  • View a list of upcoming events
  • Contact other SMCGS members


SMCGS would like to thank...

  • And to ALL who have supported us over the years... a BIG THANKS!
Come visit us in our facility at the San Mateo Public Library.

San Mateo County Genealogical Society

     SMCGS is a 501(c)(3) organization

PO Box 230
San Mateo, CA 94401-0230 

https://smcgs.org

 

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