Florence was the daughter of Mr. and Mrs. Owen Madden Sr. She was born on the Madden's farm east of Ypsilanti, North Dakota, and received her education in a Ypsilanti rural school and in Jamestown. Later, she was employed by Woolworth's and Montgomery Ward.
Florence and Frank Hanson were married in 1949. Following their marriage, they moved to Pingree, where Frank operated the Pingree Liquor Store. Frank died in 1969. Florence worked from 1954 to 1972 at the North Dakota State Hospital where, at the time of her retirement in 1972, she was unit manager of the Alcohol and Drug Unit.