Diane Kay Hullinger, 75, passed away Friday, March 31, 2023. Born in Auburn, Indiana, Diane was the daughter of the late Richard and Velma "Sally" Dielman. She earned her bachelors degree in nursing from IPFW. She worked for Parkview, and St. Joe Hospital in Fort Wayne, and Chesapeake General in Virginia during her working years. Diane was an avid reader, loved watching crime show tv, enjoyed traveling, and cherished her lunch dates with a good cocktail with her kids. She is survived by her children, Todd (Tara) Hullinger, Matt (Cami Geiger) Hullinger, Rebecca (Ben) Ralston; grandchildren, Peyton, Dylan, Morgan, Max, Ella Jane, Rosie; great-grandchildren, Jaxon, Isabella; siblings, Jeff (Carla Castor) Dielman, Jill Taylor. Diane was preceded in death by her husband of 53 years, Clifford "Mike" Hullinger; and brother, Mike Dielman. A Celebration of Diane's life will be from 1 pm to 3 pm on Saturday, April 8, 2023 at Casa's reception room on 7545 W. Jefferson Blvd. A private family dinner will follow. Memorials may be made to American Diabetes Association.