California, United States Genealogy

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California Wiki Topics
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Beginning Research
Record Types
California Background
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Local Research Resources

Guide to California ancestry, family history, and genealogy birth records, marriage records, death records, census records, family history, and military records.

This article is about the U.S. state. For other uses, see California (disambiguation).

California Information[edit | edit source]

California became the thirty-first state admitted to the Union in September 9, 1850. California was created from part of unorganized territory called Mexican Cession (Mexico ceded the land to the U. S. in the Treaty of Guadalupe Hildago in 1848) and is located in the southwest region of the United States.[1] Sacramento is the capital and there are 58 counties in California. [2]

Getting Started[edit | edit source]

Getting Started with California Research[edit | edit source]

Links to articles on getting started with California research.

California Research Tools[edit | edit source]

Links to articles and websites that assist in California research.

Ask the FamilySearch Community

California Clickable Map[edit | edit source]

Many genealogy records are kept on the county level in the United States. Click on a county below to go to the county Wiki article listing more information.

Del NorteSiskiyou CountyModoc CountyHumboldt CountyTrinity CountyShasta CountyLassen County, CaliforniaMendocino CountyTehama CountyPlumas CountyGlenn CountyButte CountyLake CountySierra CountyColusa CountyYuba CountySutter CountyNevada CountySonoma CountyNapa CountyYolo CountyPlacer CountyEl Dorado CountySacramento CountySolano CountyMarin CountyContra Costa CountySan Joaquin CountyAmador CountyAlpine CountySan Francisco CountySan Mateo CountyAlameda CountyCalaveras CountyTuolumne CountyStanislaus CountySanta Clara CountyMono CountySanta Cruz CountyMerced CountyMariposa CountyMadera CountyFresno CountySan Benito CountyMonterey CountyKings CountyTulare CountyInyo CountySan Luis Obispo CountySanta Barbara CountyKern CountyVentura CountyLos Angeles CountySan Bernardino CountyOrange CountyRiverside CountySan Diego CountyImperial CountyCalifornia-county-map.gif

Counties[edit | edit source]

Extinct and former counties that might have records for your California ancestors: Branciforte CA · Klamath CA · Lake NV · Pautah CA · Roop NV · Nataqua Territory

California Migration Routes[edit | edit source]

FamilySearch Resources[edit | edit source]

Below are FamilySearch resources that can assist you in researching your family.

Additional Resources[edit | edit source]

References[edit | edit source]

  1. Wikipedia contributors, "California" in Wikipedia: the Free Encyclopedia at (accessed 15 March 2016).
  2. Wikipedia contributors, "List of US States by Date of Admission," in Wikipedia: the Free Encyclopedia,, accessed 1 Nov 2016.