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Mariposa County, California
Genealogy, History & Facts

Mariposa County, California Facts

Mariposa County

When was Mariposa County, CA Created?
Mariposa County was established on February 18, 1850 as one of the original 27 counties (is the parent or grandparent of all or parts of twelve other counties, more than was produced by any other California county) . This county was named for Mariposa Creek. The area was so named by Spanish explorers in 1807 when they discovered great clusters of butterflies (“mariposas” in Spanish) in the foothills of the Sierras. Some say these butterflies were really butterfly lilies.

What is the County Seat of Mariposa County, CA?
The County Seat is located in Mariposa also, the county government website is

What counties are adjacent to Mariposa County, CA?
Bordering Counties are Tuolumne County, Merced County, Madera County (south & east) .

What cities and towns are in Mariposa County, CA?
Cities and towns located in the County include Mariposa .

Mariposa County, CA Vital Records

Where can find Mariposa County Birth, marriage, Divorce and Death Records?
Mariposa County vital records can be found at the California Office of Vital Records has copies of birth and death records from July 1905, marriage records that occurred from 1949-1986 and 1998-1999, divorce records that occurred between 1962 and June, 1984. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in California for current fees and application process.

You can search online for Mariposa County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for California Birth Certificate, Marriage or Divorce Certificate, Death Certificate Applications to mail.

Vital Records can also be found in the Local Registrar of Births and Death, 4982 Tenth Street, Mail to: P.O. Box 35, Mariposa, CA 95338-0035; Office (209) 966-5719

Mariposa County, CA Census Records

What Mariposa County, CA census records are available?
There are many types of census records for Mariposa County guide you in researching your family tree. Federal Population Schedules are available for 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

Mariposa Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. Mariposa Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. Mariposa Co. Union Veterans Schedules is available for 1890.

Another California census is the California State Census in 1852. One can find free online and printable census forms to help you with your research. See Also California Census Records Research Guide.

Mariposa County, CA Courthouse and Government Records

Mariposa County Courthouse

What genealogical records can I find in the Mariposa County Courthouse?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in Mariposa County. The years listed below are the first noted records with this county. Some counties encompass land settled in the eighteenth century; their records pre-date county formation. Land transactions and vital records recorded in the county are at the county recorder's office. The county clerk general has probate books and files from the county's superior court, civil court records, and naturalizations. Divorces may be in either place, depending on how filed. See Also California Corthouse Records Research Guide.

Old Mariposa County Courthouse
  • Mariposa County Courthouse (all departments listed below are located here, unless otherwise noted)
  • Mariposa County Recorder-Clerk is s responsible for examination and recording of all documents presented for recording that deal with establishing ownership of land in the County or as required by statute; administers the real property transfer tax law and maintains a permanent record and indexes of all documents for public viewing plus providing certified copies requested by the public; recording of all lawful documents such as deeds, deeds of trust, judgments, liens, affidavits, Uniform Commercial Code Financial Statements, etc; and the filing of Births, Deaths, and Marriages.
    • Address: 4982 Tenth Street, Mail to: P.O. Box 35, Mariposa, CA 95338-0035
    • Phone: (209) 966-5719
    • Birth / Death Records: 1873
    • Marriage Records: 1851
    • Land Records: 1850
  • Mariposa County Clerk of Superior Court has probate books and files from the county's superior court, civil court records, and naturalizations. Divorces may be here or in the Recorders Office, depending on how it was filed.
    • Probate Records: 1850 
    • Court Records: 1850 
  • Early California Wills
  • BLM Land Records

Mariposa County, CA Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for Mariposa County, CA?
A list of Mariposa County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Californiia Archives, Historical & Genealogical Societies.

Where can I connect with other Mariposa County, CA Researchers through message boards and forums?

What other genealogical resources are available in Mariposa County, CA?
The following are web links to Genealogy, Records and Resources pertaining to Mariposa County. A majority of these genealogy links fall into 3 categories: Business Sites, Private Sites or Organization Sites. Some have free access some require a payment. This is basically a listing which has been gathered or submitted. I do not recommend or promote one genealogy site above another.

Mariposa Co. CA Books, Newspapers & Publications

Mariposa Co. CA Cemeteries & Church Records

Mariposa Co. CA Family Websites, Pictures & Histories

Mariposa Co. CA General and History Websites

Mariposa Co. CA Maps, Atlases & Gazetteers

Mariposa Co. CA Military Records

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