On May 29, 2005, Marion was recognized as California's oldest living person, four weeks shy of 112, following the death of Margaret Russell, aged 112. Her memory was remarkable for a person her age. She could remember from age one, and recite poems backwards. Moreover, she wrote her first book herself at the 'tender' age of 102. Marion died from congestive heart failure, aged 112 years and 249 days. She was ranked as sixth-oldest in the U.S. and 11th in the world at the time of her death.