Kalvin Duppong Obituary
We announce the death of Kalvin Duppong (Quincy, Illinois), who passed away on July 30, 2026, at the age of 77. Kalvin will be remembered by family members, friends, and others whose lives were connected in meaningful ways. Leave a sympathy message to the family on the memorial page of Kalvin Duppong to pay them a last tribute.
He was predeceased by: his parents, John Duppong and Ruth Duppong (Frese). He is survived by: his wife Paula Pieper; his children, Kelly Duppong and Clinton Duppong (Jill); his grandchildren, Tanner and Cayley Duppong; and his siblings, Jack Duppong (Kathie), Owen Duppong (Jan), Joann Fenton (Jerry) and Chris Drebes (Alan).
Memorials may be made to Fishing for Freedom, Wounded Warrior Project, Great River Honor Flight, or Quincy Notre Dame High School.
