David C. Siwak Obituary
With heavy hearts, we announce the death of David C. Siwak of Petersburg, Illinois, born in Peoria, Illinois, who passed away on May 17, 2022 at the age of 79. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
He was predeceased by: his parents, Casimer Siwak and Margaret Siwak (Platt); and his brother-in-law Don Feyereisen. He is survived by: his wife Jane Boucher; his children, Erik Siwak of Springfield, IL and Stacy Fuoss of Springfield, IL; his granddaughters, Kelsey and Lily Siwak of Springfield; and his sister Sharon Feyereisen of Carey, IL..
