Mary C. Siemer
May 19, 1947 - February 13, 2019
Dateline: Alton, IL Mary Catherine Siemer, 71, died at 2:49 p.m. on Wednesday, February 13, 2019 at OSF St. Anthony’s Hospital. She was born May 19, 1947 in Alton the daughter of the late Joseph and Evelyn (Thomae) Haufe. She was a... View Obituary & Service Information