Age 85, passed away on December 8, 2020, at Heritage Community Center of Kalamazoo. Mary Lou was born in Kentucky, the daughter of the late Rudolph and Marie (Brosmer) Jansen.  Mary Lou grew up in Ft. Wayne, Indiana with four siblings and attended St. Mary’s Catholic School. She married Garl Bienz and they eventually moved to Kalamazoo MI where they raised their family. After they divorced, Mary Lou worked for PNC bank in the Marketing Dept.  for many years until her retirement. Mary Lou had a great love for family & lifelong friends. They meant everything to her. She loved to travel, go antiquing, do puzzles, play Bridge & Solitaire, loved reading, was involved in church, a Notre Dame fan, and loved spending time with her grandchildren and great grandchildren. She leaves to cherish her memory four siblings, Shirley Bush, Rudolf Jansen, Rita King & Bette Lindley; three loving children, Kelly (Bill) Frere, David Bienz and Todd Bienz; grandchildren, Ryan and Rachael Hamlin, Chad, Jason and Katie Bienz; great grandchildren, Kayden Bienz, Maxwell Green, Gracie Bienz, MacKenzie Green, Charlotte Roe; nieces, nephews and friends.