OBITUARY FROM FIND-A-GRAVE WEBSITE:

David Marvin Mackey
BIRTH          5 Sep 1921, Gary, Lake County, Indiana, USA
DEATH          18 Aug 1993 (aged 71)
BURIAL         Crown Hill Cemetery, Hobart, Lake County, Indiana, USA
MEMORIAL ID    248246637

This information and the pictures below were obtained from: https://www.findagrave.com/memorial/248246637/david-marvin-mackey.