Send the completed form to your local Social Security office. Download the form from the Secretary of State's website; or.The form is asking for the date and location in the record of where your deed was recorded, and that information will be found on your deed. Use our Affidavit of Death form to verify the death of a family member and help with the inheritance process. Timeframe: A minimum of 30 days must have passed since the deceased's death. No Real Estate: The estate must not include real estate properties. Another option is to get the form from the Illinois Secretary of State online or in person at your local circuit county clerk's office. The affidavit must be sworn and filed in the appropriate County office to transfer the title into the name of the surviving owner. The Easy Form asks you questions and completes the necessary forms with your answers. Forms on this website are PDFs with fillable fields.