Margaret Katherine Riley Pryor, 89, passed away peacefully at home in Moreno Valley, California during the early morning hours of July 8, 2023. She was born on Nov. 10, 1933, in Tulsa, Oklahoma, to parents Katie Jasper Drake and Luther L. Thompson. Margaret Katherine Riley Pryor, 89, passed away peacefully at home in Moreno Valley, California during the early morning hours of July 8, 2023. She was born on Nov. 10, 1933, in Tulsa, Oklahoma, to parents Katie Jasper Drake and Luther L. Thompson. After her family relocated to Phoenix, Arizona, she graduated from Phoenix Technical High