Mary was born March 11, 1938 in Guttenberg. She was the daughter of Ervin “Jack” and Agnes Burr, Vorwald. Mary graduated from Garnavillo High School with the class of 1956. After high school she worked at Jensen Speaker in Guttenberg. She then married Clark Raymond Curran. Tragically, Clark died in an accident in June of 1965. On July 6 th , 1968 Mary married Dale Dettman at St. Joseph Catholic Church in Guttenberg. Mary and Dale farmed together near St. Olaf. She loved spending time with grandchildren, was an excellent seamstress and cook and enjoyed fishing.