In the state of Illinois, there are 2 types of death reports you can acquire. One is the genealogical copy and the other is the certified official replica. A genealogical duplicate can be requested by anybody regardless of one’s connection to the deceased individual. A certified original duplicate on the other hand, can only be obtained by members of the family and those persons whose have legal interest in the said document. To initiate your research regarding the demise of a particular relative, you can probe into IL death records.