Marilyn Rogers is one of William "Buck" Rogers's sisters, residing near Chicago, Illinois in 1987 CE.
Along with her brother and parents (mother and father), she is buried in a cemetery near State Street, with the only marker being a headstone with the names of the quartet of Rogers who were buried there. She died as a result of World War III, and William Rogers discovers her fate in his investigation of Anarchia (BR25: Film, "Awakening").