Genealogy Research

Genealogy Research for Williamson County, Illinois

The Williamson County Clerk’s office provides copies of vital records for the purpose of genealogical research. In 1916, it became a law in the state of Illinois for counties to keep vital records. We began keeping vital records well before it became law.

  • Birth records date back to 1877
  • Marriage records date back to 1839
  • Death records date back to 1877

Under Illinois law, genealogical records are defined as:

  • Birth certificates older than 75 years
  • Marriage certificates older than 50 years
  • Death certificates older than 20 years

Obtaining a Genealogical Record

To obtain a genealogical record, you must:

Print & Complete Request Form

• Fill out and sign a request form (or put the information in writing)
• Pay the required fee
• Mail or deliver the form to the Williamson County Clerk’s office

All genealogical records issued by the Clerk’s office are NOT considered certified documents and stamped “For Genealogical Purposes Only.”

Cost for a genealogy copy is $2.00 per document.

Mailing Your Request

Where To Mail Your Request:
Williamson County Clerk and Recorder
Amanda Barnes
407 N Monroe, Suite 119
Marion, Illinois 62959

Pay Online & Email Request

Please note: this only applies to those paying through the online link below. If you wish to pay online via credit/debit card, please click the button below. There is an automatic additional fee added to your transaction for use of a credit/debit card. You may email your application and ID to or fax to 618-993-2071.

Pay Online Via Credit/Debit

Helpful Sources