Sandra L. Mortensen, 69, of Baraboo passed away on Wednesday, April 26, 2017 at St. Clare Hospital. Sandra was born on July 28, 1947 in Stevens Point, the daughter of Clarence and Inez (Turner) Kelly. She was a graduate of Baraboo High School and in December of 1965, married Donald Mortensen. In her free time, Sandra enjoyed arts and crafts, being a Cub Scout den mother and camping. Survivors include her husband, Donald; son, Todd (Julie McCulley) Mortensen; three grandchildren, Jacob Mortensen, Austin Eccles, Allysa Siebert; and good friend, Susan Maybee. Sandra was preceded in death by her parents; son, Jeffery; sister, Susan O’Donnel; and mother and father-in-law, Charles (Evelyn) Mortensen. No formal services will be held at this time. The Rago-Baldwin Funeral Home, 520 East St., Baraboo, is assisting the family with arrangements.