Hello Jill, please forgive me for not answering sooner.
If you're the OLDEST surviving Next-of-Kin, You can contact the Archdiocese of Chicago. I will attach the link with the Archdiocese information at the bottom of this post.
You will have to show Proof of how you are related. It make take a while for them to get all the paperwork together. The link that I will send you will include most of the information that would be in his files. Make sure that you ask for ALL of his records . . . that should include everything.
Do not send any money at this time. Once they make a copy of everything (somewhere around $0.10 a page) they will contact you to let you know how much (including postage) it will be. All together it should be around $25.00, give or take.
If you have any questions, you can contact me (Sylvia Huante) at AGOAlum@aol.com or Mary Beth Wiley @ MB_Wiley@Yahoo.com
When you click on the Link Below, it will include the Link to the Archdiocese of Chicago.