Margaret A. Kostoff ""Marj"", 74, of Littleton. Preceded in death by husband Bill. Mother of Kevin (Deb); grandmother of Samantha. Funeral Service Friday March 27, 2015, 10:00am, Horan & McConaty Family Chapel, 5303 East County Line Road, Centennial. Entombment at Chapel Hill Cemetery. Memorial donations are suggested to the Music Program at Littleton United Methodist Church, 5894 S. Datura St., Littleton, 80120. Please share your memories of Marj and condolences with her family by signing the guestbook below.