OBITUARY INFORMATION FROM FIND-A_GRAVE WEBSITE:

Marian C Bonath Bongartz
BIRTH          8 Dec 1912, Chicago Heights, Cook County, Illinois, USA
DEATH          28 Jul 1989 (aged 76)
BURIAL         Saint Josephs Cemetery, West Peoria, Peoria County, Illinois, USA
MEMORIAL ID    120141603

This information and the picture below were obtained from: https://www.findagrave.com/memorial/120141603/marian-c-bongartz. The picture above was obtained from the 1931 HHS Aurora yearbook, made available by the Lake County Public Library, at: https://archive.org/details/HOHS1931Images/.