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LaSalle County, Illinois
Genealogy, History & Facts

LaSalle County, Illinois Facts

LaSalle County

When was LaSalle County, IL Created?
LaSalle County was established on January 15, 1831 from unorganized land and Putnam County. This county was named for Sieur de la Salle (1643-1687), French explorer of the Great Lakes. .

What is the County Seat of LaSalle County, IL?
The County Seat is located in Ottawa also, the county government website is unkown .

What counties are adjacent to LaSalle County, IL?
Bordering Counties are  Lee County (northwest), DeKalb County (northeast), Kendall County (east), Grundy County (east), Livingston County (southeast), Woodford County (south), Marshall County (southwest), Putnam County (west), Bureau County (west)

What cities and towns are in LaSalle County, IL?
Cities and towns located in the County include  Cedar Point, Dalzell, Dana, Earlville, Grand Ridge, Kangley, LaSalle, Leland, Leonore, Lostant, Marseilles, Millington, Mendota, Naplate, North Utica, Norway, Oglesby, Ottawa, Peru, Ransom, Rutland, Sandwich, Seneca, Serena, Sheridan, Somonauk, Streator, Tonica, Triumph, Troy Grove, Wenona.

What Townships are in LaSalle County, IL?
Townships located in the County include LaSalle, Hope, Farm Ridge, Fall River, Eden, Earl, Eagle, Freedom, Grand Rapids, Groveland, Bruce, Brookfield, Adams, Allen, Dayton, Dimmick, Deer Park, Peru, Northville, Ottawa, Osage, Ophir, Otter Creek, Meriden, Mendota, Manlius, Miller, Mission, South Ottawa, Serena, Richland, Rutland, Wallace, Vermilion, Troy Grove, Utica, Waltham.

LaSalle County, IL Vital Records

Where can find LaSalle County Birth, marriage, Divorce and Death Records?
LaSalle County vital records can be found at the Illinois Department of Public Health has copies of birth, marriage, divorce and death records. There is a fee for each copy requested. Please refer to the information to the Statewide Vital Records in Illinois for current fees and application process.

You can search online for LaSalle County Birth, Marriage, Divorce or Death Records. You can also Order Electronically Online or can download an application for Illinois Birth CertificateMarriage CertificateDivorce CertificateDeath Certificate Applications to mail.

LaSalle County, IL Census Records

What LaSalle County, IL census records are available?
There are many types of census records for LaSalle County guide you in researching your family tree. Federal Population Schedules are available for 1840, 1850, 1860, 1870, 1880 (free index), 1890 (fragment), 1900, 1910, 1920, 1930, 1940.

LaSalle Co. Mortality Schedules can be found for 1850, 1860, 1870 and 1880. LaSalle Co. Industry and Agriculture can be obtained for 1850, 1860, 1870 and 1880. LaSalle Co. Union Veterans Schedules is available for 1890. One can find free online and printable census forms to help you with your research. See Also Illinois Census Records Research Guide

LaSalle County, IL Courthouse and Government Records

LaSalle County Courthouse

What genealogical records can I find in the LaSalle County Courthouse?
The below facts shows exactly what death, marriage, birth, property, wills, and court records are typically in LaSalle County. The years listed below are the first noted records with this county. See Also Illinois Corthouse Records Research Guide.

  • LaSalle County Courthouse (all departments listed below are located here, unless otherwise noted)
    • Address: 707 Etna Rd., Ottawa, IL 61350
  • LaSalle County Clerk & Recorder of Deeds maintains records and issues certificates of vital statistics (birth certificates, death certificates, and marriage certificates) for the entire County. The Recorder's duties are receiving, filing and maintaining all records related to real property in our county. These documents range from all types of conveyance deeds, mortgages, releases and assignments, property liens, as well as, assorted federal, state and local liens. The Recorder’s office is responsible for the recordation and storage of plats of subdivision, land surveys and monument records. Many other types of miscellaneous documents are recorded, such as; foreign birth certificates, foreign marriage licenses, and military discharge paperwork to name a few.
    • Phone: County Clerk 815-434-8202 ; Recorder 815-434-8226
    • Marriage Records: 1831
    • Birth & Death Records: 1877
    • Land Records: 1831
  • LaSalle County Clerk of the Circuit Court, commonly known as the Circuit Clerk, is the keeper of the files and records of the Circuit Court. The Circuit Clerk's Office retains documents some of which include criminal law, chancery, support, probate, adoption, ect....
    • Address: Madison & Columbus St., Ottawa, Illinois 61350
    • Phone: 815-434-8271
    • Probate Records: 1831
    • Court Records: 1831
  • LaSalle County Treasurer's Office is responsible for the statutory duties required as County Treasurer and as Ex-Officio County Collector of Real Estate Property Taxes and Drainage District Taxes for the entire county.
  • The county archives of the state of Illinois
  • Local Government Records Database - provides a listing of the local governmental records held by the Illinois Regional Archives Depository (IRAD) system
  • BLM Land Records

LaSalle County, IL Societies and Family History Resources

What genealogical and historical societies, archives, museums, associations and libraries are available for LaSalle County, IL?
A list of LaSalle County Historical  and Genealogical Societies, Libraries, Archives. See also list of Statewide Illinois Archives, Historical & Genealogical Societies.

Where can I connect with other LaSalle County, IL Researchers through message boards and forums?

What other genealogical resources are available in LaSalle County, IL?
The following are web links to Genealogy, Records and Resources pertaining to LaSalle County. These genealogy links fall into 3 categories: Commercial Sites, Private Sites or Organization Sites. Some have free access some require a cost. This is simply a collection that has been gathered or submitted. I do not recommend or promote one genealogy site over another.

LaSalle Co. IL Maps, Atlases & Gazetteers

LaSalle Co. IL Books, Newspapers & Publications

LaSalle Co. IL Cemeteries & Church Records

LaSalle Co. IL Family Websites, Pictures & Histories

LaSalle Co. IL General and History Websites

LaSalle Co. IL Military Records

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