Mariposa County, California Genealogy

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


Mariposa County, California
Map of California highlighting Mariposa County
Location in the state of California
Map of the U.S. highlighting California
Location of California in the U.S.
Founded information needed
County Seat Maripose
Address Mariposa County Courthouse

5100 Bullion St
PO Box 35
Maripose, CA 95338
Phone:. 209.966.5719
Mariposa County Website

County Information

Mariposa County, California Record Dates

Beginning Dates for Major County Records[1]
Birth Marriage Death Census Land Probate
1850 1850 1850 1850 1850 1850

County Courthouse

Mariposa County California Courthouse.jpg


County Clerk has divorce, probate and court records
County Recorder has birth, marriage, death and burial records[2]

Historical Facts

Wikipedia has more about this subject: Mariposa County, California

Parent County

18 February 1850: Mariposa was created as an original county. County seat: Mariposa[2]

Boundary Changes

For animated maps illustrating California county boundary changes, "Rotating Formation California County Boundary Maps" (1850-1925) may be viewed for free at the website.

Records Loss

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


Populated Places

Neighboring Counties


Bible Records



Tombstone Transcriptions Online Tombstone Transcriptions in Print List of Cemeteries in the county Family History Library
CAGenWeb WorldCat Billion Graves
CAGenWeb Archives
Tombstone Project
Billion Graves
See California Cemeteries for more information.


For tips on accessing Mariposa County, California Genealogy census records online, see: California Census.

Church History and Records

Church records and the information they provide vary significantly depending on the denomination and the record keeper. They may contain information about members of the congregation, such as age, date of baptism, christening, or birth; marriage information and maiden names; and death date. For general information about California denominations, view the California Church Records wiki page.


Crime and Criminals


Ethnic, Political, or Religious Groups





Local histories are available for Mariposa County, California Genealogy. County histories may include biographies, church, school and government history, and military information. For more information about local histories, see the Wiki page section California Local Histories.

Land and Property

Land and property records can place an ancestor in a particular location, provide economic information, and reveal family relationships. Land records include: deeds, abstracts and indexes, mortgages, leases, grants and land patents.

See California Land and Property for additional information about early California land grants. After land was transferred to private ownership, subsequent transactions were usually recorded at the county courthouse and where records are currently housed.




Military History and Records

Naturalization and Citizenship


Additional newspapers abstracts can sometimes be found using search phrases such as Mariposa County, California Genealogy newspapers in online catalogs like:




The county clerk is usually the custodian of probate records. The records include wills, fee books, claim registers, legacy records, inheritance records, probate ticklers, and dockets.

Content: Probate Records may give the decedent's date of death, names of his or her spouse, children, parents, siblings, in-laws, neighbors, associates, relatives, and their place of residence.

You can obtain copies of the original probate records (such as wills and estate files) by writing to the county clerk at the county courthouse.

The FamilySearch Catalog lists films of probate records. To find the records for this county, use the Place Search for California - Mariposa - Probate records.

Online Probate Records


Archives, Libraries and Museums

County Courthouse

Family History Centers

Family History Centers provide one-on-one assistance and free access to premium genealogical websites. In addition, many centers have free how-to genealogy classes. See Family History Center for more information. Search the online FHC directory for a nearby family history center.



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 the wiki page California Taxation.

Vital Records

See also How to order California Vital Records

Vital Records consist of births, adoptions, marriages, divorces, and deaths recorded on registers, certificates, and documents. See the CDC Where to Write website for information on acquiring copies of these records. The State office has records since July 1905. For earlier records, contact the County Recorder.


Notices of vital events (births, marriages, and deaths), 1919-1921, abstracted from the Mariposa Gazette by William Disbro.




Notices of vital events (births, marriages, and deaths), 1919-1921, abstracted from the Mariposa Gazette by William Disbro.

Voting Registers

Genealogy Societies, Archives and Libraries

Mariposa Museum and History Center
5119 Jessie Street
Mariposa, California 95338

Northern Mariposa County History Center
10301 Highway 49
Coulterville, CA 95311
Phone: 209-878-3015

Web Sites


  1. Alice Eichholz, Ancestry’s Red Book: American State, County and Town Sources, Revised ed. (Salt Lake City: Ancestry, 1992), 62-75. At various libraries (WorldCat); FHL Book 973 D27rb 1992
  2. 2.0 2.1 Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Mariposa County, California. Page 85 At various libraries (WorldCat); FHL Book 973 D27e 2002.