OBITUARY INFORMATION FROM FIND-A-GRAVE WEBSITE:

Sylvia A. Stangebye Underwood
BIRTH          1914
DEATH          2006 (aged 91–92)
BURIAL         Deer Creek Cemetery, Crown Point, Lake County, Indiana, USA
PLOT           Row 3
MEMORIAL ID    29414332

This information and the picture below were obtained from: https://www.findagrave.com/memorial/29414332/sylvia-a-underwood. The picture above was obtained from the 1931 HHS Aurora yearbook (when Sylvia was a junior), made available by the Lake County Public Library, at: https://archive.org/details/HOHS1931Images/.