Genealogy & Local History
"Finding Your Lake County Ancestors: Genealogy Resources in Lake County"
Find genealogy resources for ancestry in Lake County and beyond.
Lake County was part of Napa County and Mendocino county until 1861, so records before that time may be on file in Napa County or Mendocino County.
Contact each organization directly for more information.
Lake County Library CollectionBooks about Lake County
- See the library catalog for books about Lake County in our collection.
Lake County newspapers on microfilm 1863-current.
- Births, marriages and deaths are partially indexed 1863-1949.
- The local newspaper offices do not maintain extensive collections of back issues.
The Mauldin NotesThe Mauldin Notes are 10,000 pages of Lake County historical information. Indexed
Lake County Library research assistanceLibrary staff will perform brief searches in the microfilms and make copies or scan articles.
Paper copies can be mailed to patrons, scans can be emailed to patrons.
1-15 copies are free,
16 or more copies are ten cents each.
Submission form to request birth, marriage or death information from local newspapers.
Email other requests to Library@co.lake.ca.usSend requests for information to
Lake County Library
1425 N. High Street Lakeport CA 95453.
SASE is desirable.
Lake County Directories
A few directories for Lake County were published and the Lake County Library does not have copies. The California State Library has some Lake County directories on microfilm in the California History Room.
Other Genealogy Resources in Lake County and Nearby Areas
- Lake County Recorder ~ Lake County Vital Records
- Lake County Genealogical Society
- Lake County Museum~ Historic photographs and other documents
- Lake County CAGenweb
- Cemeteries in Lake County on Find A Grave
- Lake County Historical Society
- Mendocino County Historical Society
- Sonoma County Library Annex ~ Sonoma County History Genealogy, local and otherwise
Resources in California
- Sutro Library ~ The genealogy branch of the California State Library
- California History Section
- California Death Records 1940-1997
- California Office of Vital Records
- California Genealogical Society
- Online Archive of California
- California Historical Society
- The California State Archives
- Learn California
- Cyndi's List
- The ROOTS-L Library
- Family Search
- National Archives
- Family History Books
- Find A Grave
- USGenWeb Project
- Google Books