Jefferson County, Montana Genealogy

United States Montana Jefferson County

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

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County Courthouse
Jefferson County Courthouse 201 Centennial PO Box H Boulder, MT 59632 Phone: 406.225.4020 Jefferson County Website County Clerk has birth and death records from 1907 and land records from 1865; Clerk District Court has marriage, probate and court records

Jefferson County, Montana Record Dates

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 * width="91%" bgcolor="#e4d8e5" align="center" colspan="7" | Beginning Dates for Major County Records
 * width="13%" bgcolor="#e4d8e5" align="center" | Birth*
 * width="13%" bgcolor="#e4d8e5" align="center" | Marriage
 * width="13%" bgcolor="#e4d8e5" align="center" | Death*
 * width="13%" bgcolor="#e4d8e5" align="center" | Court
 * width="13%" bgcolor="#e4d8e5" align="center" | Land
 * width="13%" bgcolor="#e4d8e5" align="center" | Probate
 * width="13%" bgcolor="#e4d8e5" align="center" | Census
 * width="13%" align="center" | 1895*
 * width="13%" align="center" | 1866*
 * width="13%" align="center" | 1895*
 * width="13%" align="center" | 1865
 * width="13%" align="center" | 1865
 * width="13%" align="center" | 1865
 * width="13%" align="center" |
 * colspan="7" | * For earlier dates, try... Church &#124; Obituaries &#124; Cemeteries
 * }
 * width="13%" align="center" |
 * colspan="7" | * For earlier dates, try... Church &#124; Obituaries &#124; Cemeteries
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Record Loss
There is no known history of courthouse disasters in this county.

Boundary Changes

 * Interactive Formation Boundary Map of Montana - shows boundary changes for Montana Counties
 * Montana Historical Boundary Changes - list of all boundary changes by county provided by Newberry Library


 * Parent County: created 2 February 1865 as an original county
 * County seat: Boulder

Populated Places

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Federal Census Records
Federal Censuses were taken for Montana starting in 1870. For links to Federal census indexes, see Montana Census.

Land and Property Records

 * 1805-1951 Jefferson County, Montana, index to deeds records, 1805-1927 and deed records, 1864-1951
 * 1864-1959 Jefferson County, Montana, indexes to mining district records 1864-1959; mining district records 1864-1957
 * 1864-1990 Jefferson County, Montana, indexes to miscellaneous land records, 1864-1990 and miscellaneous land records, 1864-1964

Maps and Gazetteers



 * See an interactive map of Jefferson County cemeteries and modern-day townships. (Histopolis)
 * Interactive Formation Boundary Map of Montana - shows boundary changes for Montana Counties
 * Historical Maps and Atlases of Montana - maps and atlases of Montana

Military Records
Civil War World War I For further information see Montana Military Records.
 * 1890 at FamilySearch.— index
 * 1890 - 1918 Montana Military Enlistments at Montana Memory Project
 * 1917 - 1918 at FamilySearch — Index and images
 * Soldiers of the Great War from the State of Montana at USGenWeb.
 * Military Enlistments Montana World War I at Montana Memory Project

Newspapers

 * Basin Progress - more than 200 issues spanning 1897-1904 freely available via Google News Archive
 * 1905-1909 Basin Progress &amp; Mining Review - more than 100 issues spanning 1905-1909 freely available via Google News Archive
 * Basin Republican Rustler - more than 100 issues spanning 2006-2009 freely available via Google News Archive
 * NewspaperArchive.com ($) has a collection of digitized Montana newspapers including Butte and Helena newspapers. This database is sometimes free at libraries.
 * Boulder, Montana, newspapers : the Jefferson County Sentinel, the Boulder Age, and the Boulder Monitor

Probate Records
'''Online Probate Records


 * 1831 – 1952 Montana Wills and Probate Records 1831-1952 at Ancestry.com — index and images $
 * 1869-1932 Jefferson County, Montana, probate case files, 1869-1932 and registers of probate case files, 1893-1932

Birth

 * 1840–2004 -  at FamilySearch — index and images
 * 1895-2003 - Jefferson County, Montana, births, marriages and deaths and indexes, 1895-2003 Viewable

Marriage

 * 1895-2003 - Jefferson County, Montana, births, marriages and deaths and indexes, 1895-2003 Viewable
 * Western States Marriage Index

Death

 * 1840–2004 -  at FamilySearch — index and images
 * 1895-2003 - Jefferson County, Montana, births, marriages and deaths and indexes, 1895-2003 Viewable

Family History Centers

 * Boulder Montana Family History Center

Societies
Jefferson Valley Historical Society P.O. Box 902 Whitehall 59759-0902

Websites

 * Genealogy Inc Jefferson County, Montana
 * Kindred Trails Jefferson County, Montana
 * USGenWeb Jefferson County, Montana project. May have maps, name indexes, history or other information for this county.
 * - The FamilySearch catalog contains descriptions and access information for all genealogical materials (including books, online materials, microfilm, microfiche, and publications) in their collection.  Use Historical Records to search for specific individuals in genealogical records