Farm & Museum
A project of Mahaska County
Historical Society Inc.


Open May through September

10:00 am - 4:00 pm Tuesday thru Saturday

12:00 pm - 5:00 pm Sunday

Closed Monday


Buses and Tour Groups Welcome

Please make advance arrangements by calling  (641) 672-2989


Ask the Curator via e-mail

Bradbury Hall Inquiries via e-mail


Genealogy Library Hours

10:00 am - 1:00 pm Tuesday & Thursday

during open season


Admission Fees

$   7.00 - Adult

$   2.00 - Student (age 6-18)

    FREE - Child (5 & under, with adult)

    FREE - Historical Society Member

$   2.00 - K-12 Education Groups

$   5.00 - Groups of 10+


 2211 Nelson Lane - P.O. Box 578 - Oskaloosa, Iowa 52577   Phone: (641) 672-2989
Link to Doty's

Copyright 2010-2019. Mahaska County Historical Society Inc. Site designed & hosted by


Ahrweiler - Russells - McDonalds Family History
Aikin Family History
Alllgood - Padgett Family History
Ames Family History
Atlas Of The World
Baker Family 1842-1860
Bakers Dozen
Barcroft Family History
Barnes, Andrew & Edna
Battin Family History
Beem - Patterson Family History
Burial Records - Individual - WPA
Cemetery Records
Census - Iowa 1875-1905 & 1915-1925 Statistics Only
Census - Oskaloosa TWP 1860
Census -Index to Mahaska County 1870
Church Histories
Civil War Books
Coal Men of America - News Clippings
Coal Mines
Coffman - Yost Family History
Cowles, Gardner History
Cranston Family History
Crossman, William - Family History
Current - Holson Family History
Darland Family History
Deaths 1880-1911 - Courthouse Records - Mahaska County
Deaths 1921-1941 - Courthouse Records - Mahaska County
Dorothy Clark Collection
Family Album - News Clippings & Pictures
Fox Family History
Fox Fire Books
GAR - Iowa Dept. of GAR Mc Kinney Post
Genealogy Surnames
Hoffman, Phil - Scrapbook
Hollanders in Iowa
Holson - Current Family History
Iowa Census - 1875-1905 & 1915-1925 - Statistics Only
Iowa Constitution
Iowa Inf. - 168th - WW I
Iowa Inf. - 6th - WW I
Iowa Laws
Iowa Regiment Battle Flags - 1894
Jackson, Jim - Life and Pictures
Jansen - Jankirk Family History
John Fletcher College info.
Johnson - Moorman Family History
Justice Dockets
Kent, Charles - Small Books
Lacey, John F. - History
Lamont - Thomas Family History
Land Records
Ledger Books - Misc.
Lester - From Ireland to America Family History
Logue Family History
Maddy - Us Maddys Family History
Maddy's Scrapbooks
Mahaska County - Inventory to County Records
Mahaska County - Probate Index 1881-1892
Mahaska County Assessor's Books
Mahaska County Deaths - 1890-1911 & 1921-1940
Mahaska County History Books
Mahaska County History Books Index
Mahaska County Honor Roll WW II
Mahaska County Rural Schools

Some of the records in our genealogy library include:

Others may be added from time to time

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Genealogy Library - Closed for Renovation

Mahaska County Historical Society maintains a genealogy library in the museum at Nelson Pioneer Farm. Our genealogy library features numerous Mahaska County record books, family history books, area newspaper clippings, and interesting artifacts (i.e. letters from a Civil War captain to his bride describing his battles and life in the field). The library is open Tuesdays and Thursdays from 10:00 a.m. to 1:00 p.m. during our regular season.

We are closed for renovation beginning May 1, 2019. Feel free to call 641-672-2989 for requests and we will complete the research as we find the pertinent information or notify you when we reopen.

Thank you for your patience.


There is no admission fee to use our reading room. If our librarian conducts any research on your behalf, there is a $10 hourly fee for her time paid in advance.

Other fees include:

Scan with usage rights - $10 per image/document

B&W letter/legal copy - $.20 per copy

Color letter/legal copy - $.40 per copy

B&W 11" x 17" copy  - $.25 per copy

Color 11" x 17" copy  - $.50 per copy

Shipping and handling - 10% of cost + postage

For information on the Mahaska County Historical Society's genealogy library, or to request research assistance, call (641) 672-2989.