Diana Jean Halley, 78, of Rockford, Illinois, passed away peacefully on Friday, May 1, 2026, at OSF Saint Anthony Medical Center with her family by her side. Diana was born on October 11, 1947, in Rockford, to Duane and Betty Oberheim.
Diana is survived by her daughters, Denise Reuber and Dawn Swanson; grandchildren, Mickenzie Mills and Dylan Swanson; mother, Betty Oberheim; brothers, John (Marcia) Oberheim and David (Carey) Oberheim; nephews and niece, Jeffrey, Michael, and Andrea; best-friend, Cytoia Gulley.
She was preceded in death by her father, Duane Oberheim.
Per Diana’s wishes, her service and burial will take place privately at Sunset Funeral Home and Memorial Gardens.