Rosemary Bush, nee Buehler, 100, of Waterloo, died March 5, 2026, in Waterloo. Visitation will be held 9-11 a.m. on Thursday, March 12 at Immanuel Lutheran Church in Waterloo. The funeral service will follow at 11 a.m. at the church with Pastor Benjamin Hayter officiating. Interment will follow at Lake View Memorial Cemetery in Fairview Heights. Quernheim Funeral Home of Waterloo is in charge of the arrangements.