David John Sinn Obituary
With heavy hearts, we announce the death of David John Sinn of Delavan, Illinois, who passed away on April 15, 2026 at the age of 70. Leave a sympathy message to the family on the memorial page of David John Sinn to pay them a last tribute.
He was predeceased by: his parents, Marion George and Delta Pearl Sinn (Rankin); his sister Susan Funke (Sinn); his siblings-in-law, John Larkin and Diane Jackman; and his in-laws, Ernie and Margie Ertmoed.
He is survived by: his wife Cindy Lou Ertmoed of John's Lutheran Church; his children, Jennifer Lepore (Chris) of Delavan, Janice Hanshaw (Jeremy) of Edwards, Michael Sinn of Rocky River and Christina Anderson (Jordan) of Bloomington; his grandchildren, Jack Hanshaw, Julia Hanshaw, Eden Anderson, Poppy Lepore and Oliver Lepore; his sister Jeanie Larkin of Pekin; his siblings-in-law, Dr. Ernie Ertmoed (Diane) of Springfield, Jim Jackman of Pekin, Denise Nash (Gary) of Pekin, Elaine Ertmoed of Pekin and Judy Cooksey (David) of Pekin; Greg Moyer.
In lieu of flowers, memorial contributions may be made to Bethel Lutheran Church, 325 East Queenwood Road, Morton, IL 61550 or to Hopedale Medical Foundation, 107 Tremont Street, Hopedale, IL 61747.
