Mary Ann Hallenberger, 87, of Lake City and formerly of Frontenac, passed away on Saturday, January 30, 2021 at Mayo Clinic Hospital – Rochester, Saint Marys Campus. She was born February 28, 1933 in Red Wing to Walter and Anna (Anderson) Dierke. She attended school in Red Wing and graduated from Red Wing High School. On March 2, 1957 she married Sten Hallenberger in Red Wing.

Mary loved gardening planting a vegetable garden every year and working in her beautiful flower gardens, she was also a member of the Bittersweet Garden Club. She also enjoyed working on different crafts when her boys were young, and especially enjoyed knitting, and painting by numbers. She was a Boy Scout leader for a few years and served as the awards person and treasurer for the Boy Scouts for many years. Mary was a member of First Lutheran Church and was active running the sound and videotaping services for several years, she also was a member of the church circles.

Mary is survived by her sons, Paul (Amy) Hallenberger of Red Wing, and David (Margaret) Hallenberger of Cottage Grove; one grandson, Kevin Hallenberger. She was preceded in death by her parents and husband.

Mary wished to be cremated and services will be planned for a later date.