Lois Winecoff, 97, of Le Mars, Iowa passed away on Thursday, October 14, 2021, at Good Samaritan Society in Le Mars. A Celebration of Life Service will be held at 11 a.m. on Friday, October 29, 2021, at St. John’s Lutheran Church in Le Mars. Rev. Christian Meier will officiate. Visitation with the family present will begin one hour before the funeral. Lois willed her body for medical research and teaching at the South Dakota Sanford School of Medicine. The Mauer-Johnson Funeral Home in Le Mars is assisting the family. Expressions of sympathy may be directed to www.mauerjohnsonfh.com.