Marilyn Loraine Hartsoe passed away peacefully on Tuesday, April 2, 2024, at Advent Health Castle Rock Hospital, surrounded by family and loved ones. She was 77 years old. Marilyn was born October 16, 1946, to John and Rosemary Hartsoe, in Thermopolis, Wyoming. She grew up in southern California and Denver, Colorado, where she attended George Washington High School. Marilyn also attended the University of Colorado, Boulder and the Interior Design Institute of Denver. She was a gifted interior designer with a lifelong passion for creating beautiful and comfortable spaces for people. She also loved flowers, art, and perfume. She was preceded in death by her parents, John and Rosemary Hartsoe. She is survived by her daughter, Mallory, brother Tom, nephew Jason, and many loving adopted family members. A visitation will be held at Heflebower Funeral and Cremation Services on April 8, 2024 at 11 AM, with a celebration of life planned for a later time.