Heidi (Koch) Lacy, age 57 of Madison, WI passed away peacefully on Sunday, Sept. 3, 2017 at Agrace Hospice. Heidi was born on Sept. 8, 1959 in Chicago, IL to Hans and Inge Koch. She was a 1977 graduate of Monroe High School, Monroe, WI.On June 4, 1983, she married the love of her life, John Lacy.