Montana Taxation

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Online Resources

 * 1862-1874 - [U.S., Internal Revenue Assessment Lists FamilySearch. Images only.  Territory of Montana, 1864-1870. (A,M,S)
 * 1862-1918 U.S. IRS Tax Assessment Lists Ancestry-( /$); Includes annual, monthly and special assessment lists.
 * 1880-2009 Montana, Cascade County Records Images only. The county poll tax index, 1891-1898, and Great Falls tax lists for the years 1889, and 1891-1895, are included.

Why Use Tax Records
By studying several consecutive years of tax records you may determine when a young men came of age, when individuals moved in and out of a home, or when they died leaving heirs. Authorities determined wealth (real estate, or income) to be taxed. Taxes can be for polls, real and personal estate, or schools.

Tax record content varies and may include the name and residence of the taxpayer, description of the real estate, name of original purchaser, description of personal property, number of males over 21, number of school children, slaves, and farm animals. Tax records usually are arranged by date and locality and are not normally indexed. Tax records can be used in place of missing land and census records to locate a person’s residence.

County Level
Tax records are arranged by range, township, and section number, and can be obtained by contacting the clerk and recorder at the county courthouse.

Property taxes in Montana consisted of the name of the individual and a description of the property. Delinquent tax records included the delinquency date, penalty, interest, and amount due.

State Level

 * 1862-1866 Internal revenue assessment lists for Montana were created into only divisions County names are arranged alphabetically within the division and then within months. The following is a list of counties placed in which division.  (knowing the division and county your ancestor lived in will make searching this years taxes list a little faster) (once on page scroll down to the desired years and click on camera to open)

U.S. Internal Revenue Assessment Lists. Three types of Reports: A=Annual; M=Monthly; S=Special Years and Reports may be different.

DIVISION 1: Dec 1864-Dec 1872 A,M.S;  Boulder Valley, Bozeman, Brown's Columbia, Hotsprings, Virginia City, Warmsprings DIVISION 2: May 1865-Dec 1875 M,S;  Bannack, Marysville DIVISION 3: May 1865-Mar 1868 A,M,S;  Blackfoot, Butte City, Deer Lodge, Frenchtown, Pacific City, Silver Bow, St. Ignatius, Willow Creek DIVISION 4: Apr 1865-Apr 1870 A,M,S;  Canyon Ferry, Fort Benton, Helena, Jefferson City



Tax Laws
Abraham Lincoln instituted the income tax in 1862, and on July 1, 1862, Congress passed the Internal Revenue Act, creating the Bureau of Internal Revenue (later renamed to the Internal Revenue Service). This act was intended to “provide Internal Revenue to support the Government and to pay interest on the Public Debt.” Instituted in the height of the Civil War, the “Public Debt” at the time primarily consisted of war expenses. For the Southern States that were part of the Confederate side of the Civil War, once Union troops took over parts of the Southern States, income tax were instituted on them.
 * To learn more about this Collection click here
 * To learn more about the Civil War taxes click here

What history has shown us is that while property taxes are locally levied, there is significant state involvement with the amount of tax local political subdivisions can levy, how property assessments are conducted, and what services local taxing subdivisions must provide for their residents. This comes at a cost to state taxpayers, because the state has obligations it must fund as well, with a limited amount of state tax dollars.