She was born on April 5, 1949, in Fond du Lac, a daughter of Arnold and Eleanor Henning.
Sandy graduated from L. P. Goodrich High School in 1967.
Survivors include her partner George Carpenter; daughter Christine Bourgeois, son Seth (Sarah) Freiberg; two grandchildren Chloe and Ian Bourgeois; siblings Cheryl (Pat) Pickart, Dan Henning, Thomas Henning, Larry Henning.
She was preceded in death by her parents and one brother, Dave Henning
Cremation has taken place. No funeral or memorial service is immediately planned.