She was preceded in death by her husband, Conrad H. Byron, Sr. who passed away March 26, 2023.
She is survived by her daughters, Susan Bentley (Larry Bentley) and Barbara Welch (Andrew Welch), and by the stepson she raised, Conrad Byron (Flora Byron).
Marianne also leaves behind her grandchildren — Samantha Kadlac, Nicholas Bentley, Taylor Welch, and Shelby Byron — and her great grandchildren: Gavin, Kylie, Laycie, Maylie, London, and Kabel.
A committal service will be held at All Faiths Memorial Park, located at 1390 Park Drive, Casselberry, Florida. The service is scheduled for January 20, 2026, from 2:00 pm to 3:00 pm.