Marilu Arendt (Kaad), 77, of Bartlett, passed peacefully Sunday, July 23, 2023. Born October 31, 1945 in Chicago. She was the beloved wife of the late Richard Arendt; loving mother of Richard, Heather (Frank) Changet, Michelle (Bob) Jacob and Brian (Shelleen). She was a devoted grandmother to Paige, Chase, Zoe, Hunter, Quetzie, Lennon, Cheznie and cherished sister to Barbara Collins, Rosemary Fiore and Noel (Tom) Kalinowski. Visitation will be held 3:00pm to 9:00pm on Friday, July 28, 2023 at the Countryside Funeral Home and Crematory, 950 South Bartlett Rd (at Stearns Rd), Bartlett, IL. Final prayers will be said Saturday 9:15am at Countryside Funeral Home followed by procession to St. John the Evangelist Church Streamwood, IL for 10am Mass. Interment will be immediately after at the Bartlett Cemetery.