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Lassen County, California Genealogy

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

County Facts
County seat: Susanville
Organized: April 1, 1864
Parent County(s): Plumas, Shasta
Neighboring Counties
Modoc • Plumas • Shasta • Sierra • Washoe (NV)
See County Maps
Courthouse
California, Lassen County Courthouse.png
Location Map
California Lassen Map.png

County Information

Description

Lassen County was created 1 Apr 1864[1] and was named for Mount Lassen, which was named for Peter Lassen, one of General John C. Fremont's guides and a famous trapper and frontiersman.[2] Its county seat is Susanville. It is located in the northeastern area of the state.[3]

County Courthouse

Lassen County Courthouse
2610 Riverside Drive
Susanville, CA 96130
Phone: 530-251-8205
Lassen County Website

The new Lassen Superior Court Hall of Justice opened at their new location on Riverside Drive in May of 2012.
The County Clerk and Recorder's Office is in the old courthouse located at 220 S. Lassen Street, Susanville.
The County Clerk has divorce, probate court and naturalization records from 1864.
The County Recorder has marriage records from 1864, land records from 1857, birth and death records from 1907, some prior to 1907 but incomplete before 1929.[4]

Lassen County, California Record Dates

Information for this chart was taken from various sources, often containing conflicting dates. This information should be taken as a guide and should be verified by contacting the county and/or the state government agency.

Known Beginning Dates for Government County Records[5]
Birth* Marriage Death* Court Land Probate Census
1907 1864 1907 1864 1857 1864 1850
*Statewide registration for births and deaths started in 1905. General compliance by 1920.

Record Loss

There is no known history of courthouse disasters in this county.

Boundary Changes

Populated Places

For a complete list of populated places, including small neighborhoods and suburbs, visit HomeTown Locator. The following are the most historically and genealogically relevant populated places in this county:[7]

Cities
Unincorporated communities
American Indian Communities
Census-designated places


History Timeline

Resources

Bible Records

Biographies

Business, Commerce, and Occupations

Cemeteries

Cemeteries of Lassen, California online and in print
Tombstone Transcriptions Online
Tombstone Transcriptions in Print (Often more complete)
List of Cemeteries in the County
See California Cemeteries for more information

Census Records

For online censuses (state and federal) and for more information, see California Census.

Historical populations
Census Pop. %±
1870 1,327 —
1880 3,340 151.7%
1890 4,239 26.9%
1900 4,511 6.4%
1910 4,802 6.5%
1920 8,507 77.2%
1930 12,589 48.0%
1940 14,479 15.0%
1950 18,474 27.6%
1960 13,597 −26.4%
1970 14,960 10.0%
1980 21,661 44.8%
1990 27,598 27.4%
2000 33,828 22.6%
2010 34,895 3.2%
Source: "Wikipedia.org".

Church Records

Church records vary significantly depending on the denomination and the record keeper. Usually listed on the town level, they may contain ages, dates (baptism, christening, birth, marriage, death), maiden names, and more. See also California Church Records.

Ward and Branch Records of The Church of Jesus Christ of Latter-day Saints

  • Susanville
  • Westwood

List of Churches and Church Parishes

Court Records

Online Court Indexes and Records

Directories

Emigration and Immigration

Ethnic, Political, and Religious Groups

Funeral Homes

1956-1992 Funeral records, 1956-1992(*); at FamilySearch Catalog — index & images

Genealogies

Guardianship

Land and Property Records

Land and property records provide exact location of land, often reveal family relationships, and give names of witnesses and neighbors. They include deeds, abstracts and indexes, mortgages, leases, grants and land patents. See California Land and Property for online resources, including early land grants.

Online Land Indexes and Records


Local Histories

Local histories are available for Lassen County. Histories may include biographies, church, school and government history, and military information. For more information about local histories, see California Local Histories.

Maps and Gazetteers

Modoc CountyShasta CountyPlumas CountySierra CountyWashoe CountyCA LASSEN.PNG
Click a neighboring county
for more resources

Migration

Early migration routes to and from Lassen County for emigrant settlers included:[8][9]

Military Records

Civil War

World War I

World War II

Korean War

Vietnam War

Naturalization and Citizenship

Online Naturalization Indexes and Records

Newspapers

Obituaries

Other Records

Voting Records

Periodicals

Probate Records

Probate records include wills, fee books, claim registers, legacy records, inheritance records, probate ticklers, and dockets. They may give the decedent's date of death, names and residences of spouse, children, parents, siblings, in-laws, and others. For online records and more information, see California Probate Records.

Online Probate Indexes and Records


School Records

Social Security Records

Tax Records

California tax records complement land records and can supplement the years between censuses. There may be gaps of several years in the tax records of some counties. For more information, see California Taxation.

Vital Records

Vital Records consist of births, adoptions, marriages, divorces, and deaths recorded on registers, certificates, and documents. The state has records since July 1905, although county records may start earlier. See California Vital Records for more information.

Birth

Marriage

Death

Divorce

Research Facilities

Archives

Listed below are archives in Lassen County. For state-wide facilities, see California Archives and Libraries.

FamilySearch Centers

FamilySearch Center and Affiliate Library Locator map - search for local FamilySearch Centers or Affiliate Libraries

  • FamilySearch Centers provide one-on-one assistance, free access to center-only databases, and to premium genealogical websites.
  • FamilySearch Affiliate Libraries have access to most center-only databases, but may not always have full services normally provided by a FamilySearch center.

Local Centers and Affiliate Libraries

Libraries

Listed below are libraries in Lassen County. For state-wide library facilities, see California Archives and Libraries.

Museums

Societies

Listed below are societies in Lassen County. For state-wide genealogical and historical societies, see California Societies.

Lassen County Historical Society
P.O. Box 321
Susanville, CA 96130
Phone: 530-257-2996

Websites

Research Guides

References

  1. ↑ Individual County Chronologies, https://digital.newberry.org/ahcb/documents/CA_Individual_County_Chronologies.htm
  2. ↑ Genealogy Trails History Group, “Lassen County, California Genealogy and History”, http://genealogytrails.com/cal/lassen/ 5/03/2017.
  3. ↑ Wikipedia contributors, "Lassen County, California," Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/w/index.php?title=Lassen_County,_California&oldid=1172724294 (accessed January 20, 2024).
  4. ↑ Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Lassen County, California. Page 85 At various libraries (WorldCat); FS Library Book 973 D27e 2002.
  5. ↑ Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Lassen County, California. Page 84-88 At various libraries (WorldCat); FS Library Book 973 D27e 2002; Alice Eichholz, ed. Ancestry’s Red Book: American State, County, and Town Sources, Third ed. (Provo, Utah: Ancestry, 2004), 81-83.
  6. ↑ Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002).At various libraries (WorldCat); FS Library Book 973 D27e 2002.
  7. ↑ Wikipedia contributors, "Lassen County, California," in Wikipedia: the Free Encyclopedia, https://en.wikipedia.org/wiki/Lassen_County,_California#Communities, accessed 15 September 2019.
  8. ↑ National Park Service, "California Trail" (map) in California National Historic Trail at http://www.nps.gov/cali/planyourvisit/upload/CALImap1-web.pdf (accessed 5 August 2011).
  9. ↑ Wikipedia contributors, "California Trail" in Wikipedia: the Free Encyclopedia at http://en.wikipedia.org/wiki/California_Trail (accessed 5 August 2012).
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