son Edwin's page says his parents were the late Marion & Leona (Pallon) Sanderson, Sr.
son Marion's page says his parents were Marion D. Sanderon Sr. and Leona (Paillon) Sanderson.
From the 1930 and 1940 census records, it seems reasonable to believe that she was Leona Burns. No explanation for the surname Pallon/Paillon in the obituaries of her sons - although it is possible that she remarried and her new surname was Pallon or Paillon.