She was born in Cornwall New York on 9/7/1947 to Walter and Phyllis Merrill. She was a graduate of Cornwall Central High School.
She was married to the late, Jean B. Brosseau. Karen was an avid golfer. They met in this way and married in 1984.
After retirement they moved to Ruskin Florida. She is survived by her loving sister Linda Strack of Ruskin, Florida, and brother Walter Merrill of Lentondale, New York.