Born on Sep 24, 1914 to Alvin Peter Jonathon Coen and Mina Clingerman Coen. Mary Iona Coen Sassaman passed away on Jul 7, 1996, at the age of 81 and was buried in Washington Chapel Cemetery in Cedar Falls, Iowa, United States. Mary Iona Coen Sassaman was married to Paul George Sassaman and had 1 children: Teddy Albert Sassaman.