William P. Koster Obituary
It is with great sadness that we announce the death of William P. Koster of Dubuque, Iowa, who passed away on July 8, 2022, at the age of 56, leaving to mourn family and friends. Family and friends can send flowers and condolences in memory of the loved one. Leave a sympathy message to the family on the memorial page of William P. Koster to pay them a last tribute.
He was predeceased by: his parents, Donald Koster and Patricia Koster (Hentges); and his sister Lori Whitney. He is survived by: his cousin Donny Hentges; his wife Kimberly Doser; his daughters, Patricia Koster (Nick Brecht) of Dubuque, IA, Amanda Koster (Sebastian LaForge) and South; his brothers, Steve Koster (Michelle) and D. J. Koster of Dubuque, IA; his nephew Brian Koster; his niece Amy Koster; his great-nieces, Aaliyah and Gabrielle; his former wife Kimberly Koster of Dubuque, IA; and his parents-in-law, Greg, Jackie Doser of Dubuque, IA and Lynn "Len" Schmitz of Dubuque, IA..