Mono County, California
History, Records, Facts and Genealogy
Mono County was created on April 24, 1861 primarily from Calaveras County, Fresno County, and Mariposa County. Territory which at one time was in Mono County is now in Alpine County and Inyo County. The County has had six Boundary Changes:
- A large territory was in Calaveras County from 1850 until its 1861 transfer to Mono County.
- Territory in Calaveras County from 1850 to 1854, and in Amador County from 1854 to 1864, was then "unattached"* until 1866 when it was placed in Mono County.
- Territory in Calaveras County from 1850 to 1856, was in Fresno County from 1856 to 1861 when it moved to Mono County.
- Territory in Mariposa County from 1850 to 1856, was then "unattached"* until 1861 when it was assigned to Mono County.
- Another large territory in Mariposa County from 1850 to 1856, was in Fresno County from 1856 to 1861 when it was moved to Mono County.
- Territory in Mariposa County from 1850 to 1852, and in Tulare County from 1852 to 1856, was in Fresno County from 1856 to 1861 when it was moved to Mono County.
The County is named after Mono Lake, which, in 1852, was named for an Indian tribe that inhabited the Sierra Nevada from north of Mono Lake to Owens Lake. The tribe's western neighbors, the Yokuts, called them monachie, meaning "fly people," because the pupae of a fly was their chief food staple and trading article. The County Seat is Bridgeport . See also County History for more historical details.
Counties adjacent to Mono County are Inyo County (south), Fresno County (southwest), Madera County (southwest), Tuolumne County (west), Alpine County (northwest), Douglas County, Nevada (north), Lyon County, Nevada (northeast), Mineral County, Nevada (east), Esmeralda County, Nevada (southeast).
Mono County Incorporated Towns Include Mammoth Lakes. Unincorporated Communities Include Bodie, Bridgeport, Chalfant, Coleville, Lee Vining, Swall Meadows
- The Mono County Official Government Website
- Search the California USGenWeb Archives
- Mono County, California History Books at Amazon.com

- Search Historical Newspapers from California (1813 - 1978) - Quickly find names and keywords in over 450 million articles, obituaries, marriage notices, birth announcements and other items published in over 2,800 historical U.S. newspapers. New content added monthly!
- Family History Library - The largest collection of free family history, family tree and genealogy records in the world.
- Stories, Memories & Histories
- Stories and histories compiled by others researching a person or area can be an amazing source of information about your ancestors. Not only do they generally contain dates and places of vital events like birth, marriage, and death, but they often relate stories and memories that help you really get to know the character of your ancestors.
- Search California Historical Records - Databases include Court, Land, Wills & Financial Records; Birth, Marriage & Death Records; Voter Lists & Census Records; Immigration & Emigration Records; Obituary Records; Military Records; Family Tree Records; Pictures; Stories, Memories & Histories; Directories & Member Lists and much more....
County Court Courthouse Records
Researchers often overlook the importance of court records, probate records, and land records as a source of family history information.
PLEASE READ FIRST!!!! Please call the clerk's department to confirm hours, mailing address, fees and other specifics before visiting or requesting information because of sometimes changing contact information. All Departments below can be contacted by clicking the link. NOTE: The record dates below are from the earliest date to present time.
Mono County Clerk-Recorder's Office has Birth Records from 1873, Marriage Records from 1873, Death Records from 1881 and , Land Records from 1864.
The County Recorder-Clerk is 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.
Mono County Clerk of Superior Court has Probate Records from 1864 and Court Records from 1864.
The county Superior Court clerk 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.
Some early court records from the various courts may have been sent to the California State Archives. Besides court minutes and judgements, these records include tax lists, wills, deeds, estate inventories, and marriage bonds. The California State Archives has microfilm of selected county records, 1850–1919.
Below is a list of online resources for Mono County Court Records. Email us with websites containing Mono County Court Records by clicking the link below:
- Order County Court, Civil or Criminal Records Online
- Bureau of Land Management (BLM)
- Mono County, California Court Books at Amazon.com

- California Voter Registrations, 1900-1968: This database contains indexes to voter registration lists from various counties in California from 1900-1968. Information listed in these records includes: name of voter, age, address, occupation, and political affiliation.
- Naturalization Petitions for the Southern District Of California, 1887-1940
(The National Archives): NARA M1524. Naturalization Petitions for the Southern District Of California, 1887-1949.
- California Passenger and Crew Lists, 1893-1957: This database is an index to passenger and crew lists of ships and some airplanes arriving at Los Angeles, San Francisco, San Pedro, and Ventura in the U.S. state of California, between 1893 and 1957. Information contained in the index includes name of passenger, their age, gender, ethnicity, nationality or last country of permanent residence, arrival date, port of arrival, port of departure, and ship name. If a name of a friend or relative whom the passenger was going to join with, or place of nativity was provided, that information is included as well.
- San Francisco Ship Passenger Lists Vol. I [1850-1864]: The volume offered here is a reprint of the first volume in a series dealing with passenger arrivals at the port of San Francisco between 1850 and 1875, though this first volume contains a selection of passenger lists extending only though 1864.
- San Francisco Ship Passenger Lists Vol. II [1850-1851]: Volume II is based on completely different sources than the first volume in the series, which covered the years 1850-1864, and it encompasses an additional 16,500 passenger arrivals at San Francisco Bay during the 20-month period from April 1850 to November 1851.
- San Francisco Ship Passenger Lists. Vol. III: November 7, 1851 to June 17, 1852: Volume III covers a seven-month period during which approximately 25,000 persons arrived at the port of San Francisco--nearly 50% more than the number of arrivals for the preceding 18-month period covered in Volume II. The year 1852 witnessed a surge in migration to California, and this volume reflects the initial thrust of that surge.
- Court, Land, Wills & Financial
- Court records are an often overlooked, yet very valuable tool for finding information to assist you in your research. Land records, such as deeds, allow you to tie an ancestor to a specific place at a point in time. Other court records like those dealing with finances and estates often list related family members or give interesting details like the total value of property owned by your ancestors to add interest to your family history.
- Immigration & Emigration
- As our ancestors moved from one country to another, details about their lives were recorded on passenger lists and government documents. Immigration and emigration records can help you learn where your ancestors originally came from, where they went, when they left, who they traveled with, and more.
County Vital Records
Birth, marriage, and death records are connected with central life events. They are prime sources for genealogical information.
PLEASE READ FIRST!!!! A certified copy fee must accompany all requests for copies of vital records. Requests received without the appropriate fee will be returned to the sender. Make your check or money order payable to the Office of Vital Records. Checks must be drawn on a United States bank. Money orders must be drawn on a United States bank or issued by the United States Postal Service. Do not send cash. If no record is found, they will issue a Certificate of No Public Record and retain the fee for the search according to State law. Before submitting your application to the Office of Vital Records, please view the processing times to make sure they are acceptable for your needs.
California Department of Public Health, Office of Vital Records, MS 5103, P.O. Box 997410, Sacramento, CA 95899-7410; (916) 445-2684. They have the following records:
- Birth & Death Certificates: The state of California began issuing certificates for births and Deaths in July 1905. Birth and death records for current year events and one year prior are available from the county health department; records for all years are maintained by the county recorder. If not, you should submit your request to the County Recorder’s Office in the county where the birth or death took place or order the birth / death certificate online through VitalChek.
- Cost: $14.00 per birth certificate & $12.00 per death certificate.
- Processing Time: 12-14 weeks when ordered by mail (Application for Birth or Death Certificate) or 2-5 Days when you Order Online.
- Marriage Certificates: The state of California began issuing certificates for marriages since July 1905, except for 1987 to 1995 (The state does not have indexes for the years 1987-1995 so you must request these from the county). Certified copies of public marriage records are available from both the California Office of Vital Records and the County Recorder’s Office in the county where the public marriage license was issued. However, the Office of Vital Records is limited in its ability to search the records, and it can take up to 2-3 years to obtain a certified copy from thier office. Therefore, we recommend that certified copies of public marriage records be requested directly from the County Recorder’s Office or online.
- Cost: $13.00 per certificate.
- Processing Time: 2-3 years when ordered by MAIL or 2-5 Days when you Order Online.
- Divorce Certificates: Certified copies are not available from State Health Department. Certified copies of actual divorce decrees are only available from the Superior Court in the county where the divorce was filed. The Office of Vital Records issues a Certificate of Record that includes only the names of the parties to the divorce, the county where the divorce was filed, and the court case number – it is not a certified copy of the divorce decree and does not indicate whether the divorce was ever finalized in court. The Office of Vital Records only has information for divorces that were filed with the court between 1962 and June 1984, and our processing times can take up to 2-3 years or Online with VitalChek.
- Cost: $12.00 per certificate. Fee is for search and identification of county where certified copy can be obtained.
- Processing Time: 2-3 years when ordered by MAIL or 2-5 Days when you Order Online.
Below is a list of online resources for Mono County Vital Records. Email us with websites containing Mono County Vital Records by clicking the link below:
- VitalChek Express Certificate Service. - Some documents are just too important to wait six weeks for. With VitalChek Express Certificate Service you won’t have to. VitalChek is the fast and convenient way to order certified government-issued vital records online. They make it easy for you to purchase the documents to which you are legally entitled. Beware of other online services that do not have relationships directly with the agencies that store your vital records. VitalChek's order process usually takes less than 10 minutes --And you can select express courier service for even faster delivery when time is running out.
- Click Here to Search the Social Security Death Index for FREE
- Search over 82 million death records and get genealogical information crucial to your family research. New content added weekly! Most comprehensive SSDI site online!
- Research Death records In The World's Largest Newspaper Archive at NewpaperArchive.com!
- Find thousands of historical California newspaper articles about deaths. Search for local articles about an old family friend that died many years ago or a celebrity that committed suicide. Historical newspapers contain a wealth of information about the deceased.
- California Birth Index, 1905-1995: This database is an index to over 24.5 million births occurring in California between 1905 and 1995.
- California Death Index, 1940-1997: his database is an index to the death records in State of California, USA, from 1940 through 1997. The database provides such valuable information as first, last and middle names of the descendants, birth dates, mother's maiden name, father's last name, sex, birth place, death place, residence at time of death, death date, social security number (when available), and the age of the individual when they died.
- California Divorce Index, 1966-1984: This database is an index to over 3.5 million divorces that were filed in California (U.S.A.) from 1966-1984. Information that may be found in this database includes spouses' names, divorce date, and divorce county or city.
- California Marriage Index, 1960-1985: This database contains a statewide index to over 4.8 million marriages that were performed in California between 1960 and 1985. Information that may be found in this database includes the bride's and groom's names, their ages, the marriage county, and the marriage date.
- California Marriages, 1850-1877: This database contains information on individuals who were married in select areas of California between 1850 and 1960. Note that not all counties are included in this index and within the counties that are included not all years within the date range...
- California Death Index 1940-1997
- Mono County, California Birth, Marriage & Death Books at Amazon.com

- Birth, Marriage & Death
- Vital records (births, deaths, marriages, and divorces) mark the milestones of our lives and are the foundation of family history research. Vital records, usually kept by a civic authority, can give you a more complete picture of your ancestor, help you distinguish between two people with the same name, and help you find links to a new generation.
County Census Records
Few, if any, records reveal as many details about individuals and families as do government census records. Substitute records can be used when the official census is unavailable
Countywide Records: Federal Population Schedules that exist for Mono County, California are 1870, 1880, 1890 (fragment, see below), 1900, 1910, 1920 and 1930.Other Federal Schedules to look at when researching your Family Tree in Mono County, California are Industry and Agriculture Schedules available for the years 1870 and 1880. The Mortality Schedules for the years 1870 and 1880.There are free downloadable and printable Census forms to help with your research. These include U.S. Census Extraction Forms and U.K. Census Extraction Forms.
Below is a list of online resources for Mono County Census Records. Email us with websites containing Mono County Census Records by clicking the link below:
- Census Online - California Census Records
- California Census, 1790-1890: This collection contains the following indexes: 1790 Census Substitute; 1850 Federal Census Index; 1860 Federal Census Index; 1870 Federal Census Index (excluding San Francisco County); 1870 San Francisco County Census Index; 1834 Census Index of Santa Barbara; 1890 Veterans Schedule; 1890 Naval Veterans Schedule.
- Mono County, California Census Books at Amazon.com

- Census & Voter Lists
- A census is an official list of the people in a particular area at a given time, while voter lists show those who were registered to vote in a certain area. The valuable information found on census records helps you to understand your family in their time and place. Voter Lists serve as a confirmation of residence in between the years that the census was taken.
County Maps & Atlases
California Antique Maps & Atlases has images of old American atlases during the years 1795, 1814, 1822, 1823, 1836, 1838, 1845, 1856, 1866, 1879 and 1897 for California and other states.
You can view rotating animated maps for California showing all the county boundaries for each census year overlayed with past and present maps so you can see the changes in county boundaries. You can view a list of maps for other states at Census Maps
You can view rotating animated maps for California showing all the county boundary changes for each year overlayed with past and present maps so you can see the changes in county boundaries . You can view a list of maps for other states and State Department of Transportation Maps at County Maps.
Below is a list of online resources for Mono County Maps. Email us with websites containing Mono County Maps by clicking the link below:
County Military Records
Military and civil service records provide unique facts and insights into the lives of men and women who have served their country at home and abroad.
The uses and value of military records in genealogical research for ancestors who were veterans are obvious, but military records can also be important to re-searchers whose direct ancestors were not soldiers in any war. The fathers, grandfathers, brothers, and other close relatives of an ancestor may have served in a war, and their service or pension records could contain information that will assist in further identifying the family of primary interest. Due to the amount of genealogical information contained in some military pension files, they should never be overlooked during the research process. Those records not containing specific genealogical information are of historic value and should be included in any overall research design.
Below is a list of online resources for Mono County Military Records. Email us with websites containing Mono County Military Records by clicking the link below:
- California Society of Daughters of the American Revolution
- National Society of Daughters of the American Revolution,
- California Society of Sons of the American Revolution,
- National Society of Sons of the American Revolution, 1000 South Fourth Street, Louisville, Kentucky 40203; (502) 589-1776
- Organization Index to Pension Files of Veterans Who Served Between 1861 and 1900 from the State of California (The National Archives): View, Print Copy & Save Original Pension applications for service in the U.S. Army between 1861 and 1917, grouped according to the units in which the veterans served.
- Mono County, California Military Books at Amazon.com

- Military
- The men and women called to serve their country in military duty are a source of pride to their families and to their nation. Now, with databases containing more than 16 million names and thousands of government records available to search, researching your veteran ancestors has become easier than ever before.
County Tax Records
The U.S. Internal Revenue Service Assessment List for California, 1862–66, is available on thirty-three microfilm rolls at the California State Library in Sacramento. The lists include names, location and description of business, and tax rate for individuals taxed.
Similar to tax records in their yearly listing of residents are the “Great Register” of California, which are miscellaneous county voting registers that exist from the mid-nineteenth century. The registers were compiled and printed about every two years. Before 1900, they show name, address, and age (but the age may remain the same after a man's first entry). From about the mid-1800s, physical descriptions are included, but after the 1898 register, only the name, address, party affiliation, and sometimes occupation are listed.
Before 1892, the lists are county-wide, but usually alphabetical only by first letter or surname. They are particularly valuable for foreign-born voters, as the date and court of naturalization are listed. Copies of the "Great Registers," (1866–1944) are at the California State Library, which also has alphabetical card file abstracts for some of the earlier registers for San Francisco. Records from 1946 are with the individual county registrars of voters.
Below is a list of online resources for Mono County Tax Records. Email us with websites containing Mono County Tax Records by clicking the link below:
County Genealogical Addresses
The Repositories in this section are Archives, Libraries, Museums, Genealogical and Historical Societies. Many County Historical and Genealogical Societies publish magazines and/or news letters on a monthly, quarterly, bi-annual or annual basis. Contacting the local societies should not be over looked. State Archives and Societies are usually much larger and better organized with much larger archived materials than their smaller county cousins but they can be more generalized and over look the smaller details that local societies tend to have. Libraries can also be a good place to look for local information. Some libraries have a genealogy section and may have some resources that are not located at archives or societies. Also, take a special look at any museums in the area. They sometimes have photos and items from years gone by as well as information of a genealogical interest. All these places are vitally important to the family genealogist and must not be passed over.
Below is a list of online resources for Mono County Genealogical Addresses. Email us with websites containing Mono County Genealogical Addresses by clicking the link below:
- Mono County Historical Society, P. O. Box 417, Bridgeport, CA 93517
- Mono County Museum
- California Genealogical Society, 2201 Broadway, Suite LL2, Oakland, CA 94612-3031; 510-663-1358 fax: 510-663-1596
- The California Historical Society, 678 Mission Street, San Francisco, California 94105; 415-357-1848 — voice; 415-357-1850 — fax; info@calhist.org — e-mail
- California State Genealogical Alliance, 19765 Grand Avenue, Lake Elsinore, CA 92330
One way to access many local and county genealogical and historical societies is through the Alliance, which publishes its own newsletter.
- California State Archives, Office of Secretary of State, 1020 O Street, Room 130, Sacramento, CA 95814; Reference Desk: (916) 653-2246; General Information: (916) 653-7715; FAX: (916) 653-7363; E-Mail:ArchivesWeb@sos.ca.gov
- California State Library, 914 Capitol Mall, Sacramento, CA 95814
- The National Archives-Pacific Region
- California Genealogical Society Books at Amazon.com

- Newspapers & Periodicals
- The Newspapers & Periodicals Collection lets you discover a wealth of information about your ancestors from many historical newspapers, magazines, and other periodicals. These types of sources can often supplement public records and provide information that is not recorded anywhere else. Here, you can learn more about your ancestor's possible daily activities by placing them in the context of their time.
- Directories & Member Lists
- Directories and member lists are typically compilations of information about people who belonged to various associations and groups or lived within city boundaries. They can be thought of as the predecessors to the modern-day phone book and usually list names, addresses, and sometimes the occupations of your ancestors.
County Church & Cemeteries
Obituaries can vary in the amount of information they contain, but many of them are genealogical goldmines, including information such as names, dates, places of birth and death, marriage information, and family relationships.
There are many churches and cemeteries in Mono County. Some transcriptions are online. A great site is the Mono County Tombstone Transcription Project.
There are no centralized repositories dealing with church records in California. Scattered records can be found in genealogical publications, the DAR compilations, and on microfilm. The Spanish missions have played a central role in California's religious history.
Printed secondary sources of transcribed cemeteries exist for most California counties. The California State Society of the DAR has collected hundreds of such records. Transcripts are housed both at the national DAR and with some local chapters and libraries.
Below is a list of online resources for Mono County Cemetery & Church Records. Email us with websites containing Mono County Cemetery & Church Records by clicking the link below:
Family Trees & Genealogy Tidbits
The use of published genealogies, electronic files containing genealogical lineage, and other compiled sources can be of tremendous value to a researcher.
When view family trees online or not, be sure to only take the info at face value and always follow up with your own sources or verify the ones they provide. Below is a list of online resources for Mono County Family Trees, web forums and other family type information. Email us with websites containing Mono County Family Trees, web forums and other family type information by clicking the link below:
- Search for Local California Researchers
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- Search 60 Years Of Everton Data: For the first time ever you can get access to more than 150,000 pedigree files and family group sheets from Evertons. Learn More
- Search the Family Tree DNA Project- Use DNA testing to break through your genealogical barriers!
- Sites on USGenweb: [ Mono County ] [ California ] [ Main Page ]
- [GenForum Message Boards] [Rootsweb Message Boards]
- Genealogy Encyclopedia: General Abbreviations, Early Illnesses, Nickname Meanings, Worldwide Epidemics, Early Occupations, Common Terms, Censuses Explained, Free Genealogical Forms
- Nichols and Related Families of Alabama, Arkansas, Georgia, Florida, Kentucky, Louisiana, Mississippi, Missouri, North Carolina, South Carolina, Tennessee, Texas, and Virgina.
- CALIFORNIA Family Group Sheets
- Family Trees
- Ancestry has thousands of family trees shared by other members. They can help you identify how ancestors are related and give you clues about birth, marriage, and death information. Family trees are an excellent resource for filling in gaps in your research or even to simply know where to begin.
- Pictures
- One of the more exciting discoveries in doing family history research is finding a photograph of your ancestors or their residence. Finding historic postcard photos and drawings of towns and important events throughout history can also give you a visual look into your ancestors lives.
- Reference Materials & Finding Aids
- Reference materials, including dictionaries, encyclopedias, and other how-to books, can be tremendously helpful in finding and interpreting historical documents. Many of these books can help you learn where to look for more information and how to use what you've already found to uncover more clues.
- California Pioneer Project - The California Pioneer List (CPL) is a list of settlers to California who migrated to or were born in California prior to 1880 (included in the 1880 California Census) and obtained from those sent (e-mailed) directly from individuals doing genealogical research.
- Genealogical Document Search and Retrieval Service
- Mono County USGenweb Archives
- Mono County, California Family Books at Amazon.com

Extended History

Mono County Courthouse
Completed 1880
After a survey of state boundaries, in 1863 citizens of Mono were alarmed to learn that their county seat, Aurora, lay three miles inside the Territory of Nevada. It was reported that upon hearing the news, the presiding judge immediately closed the court and announced that he would try no further cases there. Voters selected Bridgeport as the new center of government and built a landmark Italianate building that remains in use as one of the state's oldest operating courthouses. The courthouse is listed on the National Register of Historic Places |
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