Skip to content
(219) 873-3042 | 100 E. 4th Street, Michigan City, IN 46360 | Open Monday-Thursday 9:00 AM - 8:00 PM, Friday-Saturday 9:00 AM - 6:00 PM

Original Records | Books at the Library | Online Resources

Original Records

The National Archives at Chicago holds naturalization records from Indiana, Illinois and area states from c. 1906-1991. Copies are available for a fee:

National Archives at Chicago
7358 South Pulaski Road
Chicago, IL 60629-5898
Order naturalization records online
Summary of naturalization petition holdings

The National Archives in Washington, DC holds naturalizations records from other states from c. 1907-present

National Archives and Records Administration
700 Pennsylvania Avenue, NW
Washington, DC 20408-0001
Locate naturalization records on microfilm

Pre-1907 naturalization records are usually held by the county court in which naturalization proceedings were held. The library owns indexes for many of these records.

You can find digitized microfilm images of the original La Porte County records (1854-1939) through FamilySearch. To access the images, you may need to access the website from within Michigan City Public Library, another FamilySearch Affiliate Library, or a Family History Center. A free FamilySearch account is required. You can view the images by clicking on the camera icon under format:

For questions about LaPorte County court records, you can reach the court at:

LaPorte Circuit Court Clerk
813 Lincolnway Suite 105
LaPorte, IN 46350
Phone: 219-326-6808 LaPorte
219-874-5611 Michigan City
Ext. 2465
Other office staff extensions: 2270-2236-2259-2468-2471-2466-2258
Office Hours: 8:00 AM to 4:00 PM, Monday – Friday

Naturalization records from some Indiana counties are available online in the Indiana State Digital Archives.

Books at the Library

LaPorte County Naturalization Records

Naturalization Records: Abstractions from First Book of Declarations of Intentions, La Porte County, Indiana, October 1854 -1929. Genealogy Collection, LaPorte County Naturalization

Naturalization Records: Abstractions from Second Book of Declarations of Intentions, La Porte County, Indiana, October 1854 – 1888. Genealogy Collection, LaPorte County Naturalization

Naturalization Records: Abstractions from Declaration of Intentions, Superior Court, Michigan City, La Porte County, Indiana, 1912 – 1918. Genealogy Collection, LaPorte County Naturalization


Indiana Naturalization Records

An Index to Naturalization Records in Pre-1907 Order Books of Indiana County Courts. With a New Foreword by M. Teresa Baer; Introduction by John J. Newman. Genealogy Collection, Indiana Index

An Index to Indiana Naturalization Records Found in Various Order Books of the Ninety-Two Local Courts Prior to 1907. Genealogy Collection, Indiana Index

Index to Lake County, Indiana, Naturalization Records, 1854 to 1932. Coordinator, Betty Brandt-Johnson. Genealogy Collection, Indiana Index

Index to Porter County, Indiana, Naturalizations, 1849 to 1955. Genealogy Collection, Porter County Index


Other Naturalization Records

American Naturalization Processes and Procedures, 1790-1985. By John J. Newman. Genealogy Collection, General Newman

Guide to Naturalization Records of the United States. Christina K. Schaefer. Genealogy Collection, General Schaefer

Early New York Naturalizations: Abstracts of Naturalization Records from Federal, State, and Local Courts, 1792-1840. Compiled by Kenneth Scott. Genealogy Collection, New York Early

A List of Immigrants Who Applied for Naturalization Papers in the District Courts of Allegheny County, Pennsylvania. Compiled by Members of the Western Pennsylvania Genealogical Society. Genealogy Collection, Pennsylvania List


Passenger Lists

Click here for a list of titles owned by the library

Online Resources

Naturalization Records of La Porte County, Indiana (1854-1942) – FamilySearch

La Porte County Naturalization Records, 1909-1939, La Porte County Superior Court – FamilySearch

Indiana Commission on Public Records – Naturalization Records

Indiana Naturalization Records and Indexes, 1848-1993 – FamilySearch

Indiana State Digital Archives – Naturalization Records

Immigration/Naturalization Resources – INGenWeb LaPorte County

Ancestry Library Edition – Available within the library

HeritageQuest – Immigration records, passenger lists, and more. Log in at home with your library card number. Don’t have a library card? Sign up now to get an eCard.

U.S. Citizenship and Immigration Services Genealogy Program

Ellis Island Passenger Search

Castle Garden Passenger Search

Passenger Lists Archival Databases – National Archives

Immigration Records at the National Archives

Immigrant Ships Transcribers Guild

One Step Passenger List searches – Steve Morse

Cyndi’s List – Immigration Links

Back To Top

Looking for an obituary? Go to our genealogy page to search.