Welcome to our new Website! Learn about the Tuolumne County Genealogical Society and what we have to offer.  Whether you are a local resident interested in your family’s genealogy, or you live afar but have ancestors who may have lived and worked in Tuolumne County, we can help you discover and connect with your past.

Our Mission

To foster, encourage, and promote an interest in genealogy by providing information, education, and inspiration to our Society members and the general public.

158 Bradford Street, PO Box 3956, Sonora, CA 95370 • 209.532.1317
Hours:  Tuesday & Thursday – 10 am to 4 pm
Saturday – 10 am to 3:30 pm
Email:  info@tcgen.org

Here we have thousands of books, newspapers, and records for Tuolumne County and beyond. We have a great staff of seasoned genealogists ready to help you either get started on your research, or do look-ups for you.  Stop by and find fascinating resources covering the Gold Rush era of the Mother Lode.

Upcoming Events

  • Find-a-Grave Group Outing
    June 1, 2024, 8:30 am | Find-A-Grave Outing | Location: Chinese Camp Cemetery
    The Find-a-Grave Group, along with the Youth Group from the LDS Church will spend a day working at the Chinese Camp Cemetery. Meet at the Museum to carpool at 8:30am, or at the cemetery at 9:30am.  Contact Debi at debi_bautista@comcast.net or (209)352-8870 for details.
  • Special Joint Meeting with the Tuolumne County Historical Society
    June 10, 2024, 2:00 pm | General Meetings | Location: Tuolumne County History Museum
    We will have a tour of the Tuolumne County History Research Center and Tuolumne County Museum, with refreshments in the courtyard.
  • Board of Directors Meeting
    June 17, 2024, 9:30 am | Board of Directors Meeting | Location: My Garden Cafe
    Host: Judi Lewis, President ~ All TCGS Members Welcome
  • Irish Group Meeting
    July 8, 2024, 10:00 am | Irish Group Meeting | Location: FamilySearch Center
    Host: Kathy "Cookie" Boone ~ Email: cookie48@mlode.com or call 209-770-3379

Upcoming General Meetings

General Meetings are the 2nd Monday of each Month 
At 2pm in the Sonora Main Library Community Room

June – Special Joint Meeting with the Tuolumne County Historical Society

July – Sharing Our Discoveries ~ The 2024 Salt Lake City Researchers

August – Using Newspapers as a Genealogical Resource

Everyone is Welcome – Please join us!

Join or Renew Your Membership

Keep Current – Renew Your Membership Annually!
Click the button below to Join or Renew On-Line or by Mail.

Get The Latest Golddiggers Issue

Golddiggers Newsletter for Tuolumne Genealogical SocietyHot off the press! Another Golddiggers Newsletter chock full of research ideas! Check it out today! To see current and past issues,  click the button below to go to the newsletter page. You’ll be able to read the newsletter on the page, or download it in a PDF format.

Special Interest Groups

We offer several Special Interest Groups for members.  Do you have Irish ancestry?  Are you interested in documenting the story of an ancestor or family group?  Would you like to help document some of Tuolumne County’s historic cemeteries to a world-wide database?  Join a Special Interest Group (SIG), guests are welcome to attend one meeting before becoming members of our Society.

Sonora LDS FamilySearch Center

The LDS FamilySearch Center has many subscription research sites that the church provides free to patrons at the center.

Tuolumne County Genealogical Workshops

19481 Hillsdale Drive, Sonora ~ 209-536-9206
Tuesday – 1 pm to 4 pm
Wednesday – 10 am to 4 pm & 6:30 pm to 8:30 pm
Thursday – 10 am to 1 pm

Genealogy for Kids!

Genealogy for Kids image - Family treeDo you have a child or grandchild who has expressed an interest in building a family tree? Here’s a website with information on how to get started, tips for creating a family tree, how to trace your ancestors, using census records, organizing photos, reading old handwriting, family tree relationships, along with many other ideas. This site may also be helpful for some of us “older” kids!

Genealogy For Kids – Building a Family Tree