OBITUARY INFORMATION FROM FIND-A-GRAVE WEBSITE:

Cora Jane Demmon Hack
BIRTH          2 Oct 1891
DEATH          20 Sep 1997 (aged 105)
BURIAL         Calumet Park Cemetery, Merrillville, Lake County, Indiana, USA 
MEMORIAL ID    69546724

This information was obtained from: https://www.findagrave.com/memorial/69546724/cora-jane-hack. The picture above was obtained from the 1911 HHS Aurora yearbook, made available by the Lake County Public Library, at: https://archive.org/details/HOHS1911Images/.