Rose Susan Mastroianni, nee Losito, age 96 of Frederick, CO, formerly of Brookfield and LaGrange Park, IL. Beloved wife of the late Eugene J. Mastroianni, loving mother of Lucille “Penny” (Matt) Slaton, Ralph “Pat” (Lynne) Mastroianni, Gene Mastroianni and Bob (Laura) Mastroianni, cherished grandmother of Gina (Perry) Kibler, Joe (Amanda) Mastroianni, Celena (Paul) Slaton, Courtney (Steve) Cannon, Megan Mastroianni, Ashley Mastroianni and great-grandmother of Sawyer and Grace Kibler, Teagan Slaton and Collin and Cara Rose Cannon, dear sister of the late Frank (late Irene) Losito, the late Pete (late Frances) Losito, the late Stanley (Rose) Losito and the late Angie (late Ben) Bashton. Visitation Sunday, May 7, 1:00pm until time of Chapel Service, 3:30pm at Kuratko-Nosek Funeral Home, 2447 S. DesPlaines Avenue, North Riverside. Cremation Private. Burial of Cremains, Queen of Heaven Cemetery, Hillside, IL.