How do I establish this information? Do the LDS History Centers have the index with the film number? dolores On Jan 28, 2007, at 2:01 AM, cook-co-il-request@rootsweb.com wrote: > The illinois Regional Archives Depository (IRAD) has the following > records for > wills for Cook County. You can write a letter asking for a lookup > giving them > the title of the record, approximate date & name, and film number.