Memorials may be made to American Diabetes Association or American Cancer Society. Mary Ann Marquette, of St. Charles, Missouri, died on Thursday, November 19, 2009 at the age of 75. Dearest wife of the late John H. Marquette; dear daughter of the late Pink and Mildred Pearl Delph; beloved mother of Gary (Pamela) Marquette, Denise Marquette and Michael Marquette; cherished grandmother of Amanda Marquette and Sean Marquette. Mary was our dear sister, aunt, cousin and friend to many. Mary was a homemaker and enjoyed reading and painting.