LaSalle County, Illinois Genealogy Guide

LaSalle County, Illinois (Map It) was created on January 15, 1831 from unorganized land and Putnam County. LaSalle County was named for Sieur de la Salle (1643-1687), French explorer of the Great Lakes. . Learn More About State of Illinois History

LaSalle County is bordered by  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)

LaSalle County Cities, Towns & Villages 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.

LaSalle County Townships 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. View the LaSalle Federal Township Plats of Illinois from 1804-1891.

A LaSalle County, Illinois General Highway Maps includes County, City and Township maps which contains detailed information about roads and boundaries, these maps may include rural communities, churches, and cemeteries.

LaSalle County, Illinois Courthouse Records

LaSalle County, Illinois Courthouse
LaSalle County, IL Courthouse

The LaSalle County Courthouse is located in Ottawa, Illinois. Learn More About State of Illinois Court, Tax, Land and Probate Records.

Please contact the each clerk's department to confirm mailing address, hours, fees and other information before visiting or requesting information because contact information sometimes changes.  The Clerk's Office DOES NOT DO RESEARCH.  The documents are available to interested parties, barring confidential issues.  Most staff will assist people in finding the materials, but it is up to the individual to do the research.

The following dates indicates what vital, land, probate, and court records are in LaSalle county. The date listed for each category of record is usually the earliest registration filed. The earliest date does not indicate that there are numerous records for that year and does not mean that all such events were actually registered.

  • LaSalle County Clerk & Recorder of Deeds has Marriage Records from 1831, Birth & Death Records from 1877 and Land Records from 1831. The 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.
  • LaSalle County Clerk of the Circuit Court has Probate Records from 1831 and Court Records from 1831. The 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....
  • 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.
  • Local Government Records Database provides a listing of the local governmental records held by the Illinois Regional Archives Depository (IRAD) system

LaSalle County, Illinois Census Records

LaSalle County, Illinois Vital Records

LaSalle County, Illinois Resources

LaSalle County, Illinois External Links