Mary Oesau 75 of Alma, WI passed away peacefully and quietly on March 5, 2021 at home. She was the wife of John Oesau, who she shared 50 years of marriage. Born in Missouri, she was the daughter of George and Dorothy Midwinter. She worked for the State of California, where she retired. Mary moved to Alma, WI with her husband in 1995. Mary will be remembered for her grit and the love she showed her family and friends. Mary is survived by her husband John Oesau, her two children Wendy Reinhardt and husband Neil Reinhardt of Nelson, WI, her son Ted Oesau and his wife Kirsten Oesau of Conway, Arkansas, grandchildren Fallon Oesau, Whitney Michaelis, Ashley Reinhardt, Alex Reinhardt, and Brodie Oesau, 4 great grandchildren, and many dear friends. She was preceded in death by her parents George and Dorothy Midwinter, her son Larry Gene, and a Brother Herby Midwinter. A celebration of life will be determined at a later date.