Mary L. Koester, 70, of Evansville, passed away at 11:08 a.m. on Friday, Sept. 14, 2018 at Three Springs Lodge Nursing Home in Chester. The visitation is from 4-8 p.m. on Monday, Sept. 17 at Pechacek Funeral Home in Evansville and from 10-11 a.m. on Tuesday, Sept. 18 at St. Peter Lutheran Church in Evansville. The funeral service will be held at 11 a.m. on Tuesday, Sept. 18 at St. Peter Lutheran Church with Rev. Thomas Handrick officiating. Burial will be at the church cemetery.