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Jefferson County, Oregon

Jefferson County was founded on December 12, 1914 from territory that was once part of Crook County.

The Jefferson County Seat can be found in Madras plus the county government website is

Areas adjoining Jefferson County happen to be Wheeler CountyCrook CountyDeschutes CountyLinn CountyMarion CountyWasco County.

Jefferson County does have Federal Census Schedules to guide in looking into your family tree. United states federal Population Schedules can be found for 192019301940. There is free down loadable and printable census forms to help you with your research.

Jefferson County Societies and Family History Resources

A list of Jefferson County Historical and Genealogical Societies, Forums, Message Boards, Libraries, Archives.

Jefferson County Courthouse and Government Records

Researchers frequently overlook the great importance of Jefferson County court, probate, and land records data as a useful resource of ancestry and genealogy information. Buried away in Oregon courthouses and archives everywhere are the ambitions and frustrations of countless Oregon residents. The possibilities are excellent that your forefathers have left a comprehensive document of at least a number of facets of their lives in the Jefferson County court records. Even if your forebears is not referred to in a Court case, contemplate all of the other procedures that could have lead to him or her to appear in court records.

The below specifics indicates whatever death, marriage, birth,, land, probate, and court records are typically in Jefferson County. The dates stated below are considered the first noted records data for this county.

  • Jefferson County Clerk
    • Address: 75 SE “C” Street, Madras, OR 97741
    • Phone: (541) 475-4451
    • Marriage Records: 1882
    • Land Records: 1864
  • Jefferson County Circuit Court Clerk
    • Address: 75 SE C Street, Suite C, Madras, OR 97741
    • Phone: 541.475.3317
    • Court Records: 1883
    • Probate Records: 1881

Jefferson County Links

The following are links to Family history and genealogy, Records and Resources pertaining to Jefferson County. Most of these genealogy links fall into 3 categories: Business oriented Sites, Personal Sites or Organization Sites. Some have free access some have to have a cost. This is just a list that has been gathered or submitted. I do not endorse or promote one genealogy site above another. Feel free to suggest your own most popular Jefferson County genealogy or family history related sites.

Jefferson Co. OR Books, Newspapers & Publications

Jefferson Co. OR Birth, Marriage & Death Records

Jefferson Co. OR Court, Probate Land and Tax Records

Jefferson Co. OR Census Records

Jefferson Co. OR Cemeteries & Church Records

Jefferson Co. OR Family Websites, Pictures & Histories

Jefferson Co. OR General and History Websites

Jefferson Co. OR Maps, Atlases & Gazetteers

Jefferson Co. OR Military Records

Jefferson Co. OR Schools & Directories