Cover photo for Carol Oncken's Obituary
Carol Oncken Profile Photo
1939 Carol 2016

Carol Oncken

December 3, 1939 — June 9, 2016

Minonk - Carol Oncken, 76, of Minonk, passed away at 1:00 p.m. on Thursday, June 9, 2016 at Advocate BroMenn Medical Center in Normal.
Her funeral service will be at 11:00 a.m. on Tuesday, June 14, 2016 at Ruestman Harris Funeral Home in Minonk with Rev. Ray Owens officiating. Visitation will be from 4-8:00 p.m. on Monday at the funeral home. Interment will be at Minonk Township Cemetery in Minonk.
In lieu of flowers, memorials may be made to St. Jude Minonk to Peoria Run or Minonk Fire Department.
Carol was born on December 3, 1939 in Minonk, a daughter to John and Julia Janssen Timmerman. She married Robert Oncken on August 6, 1960 in Minonk. He preceded her in death on April 2, 2007.
Surviving are her children, Debbie (Jim) DeMay of Minonk, Diane Oncken of Lexington, Donna (Bill) Elias of Lexington and Darryl (Kathy) Oncken of Hudson; seven grandchildren, Kaitlyn, Kristen and Karolyn DeMay, Erika (Evan) Leake, Ali and Logan Elias and Connor Brown; three sisters, Mary Hartzler, Edith Arndt, Betty Tolan, all of Minonk and one brother, Jess Timmerman of Minonk
She was preceded in death by her parents, one brother, John Timmerman and one sister, Irma Patterson.
Carol worked at Quality Oil and the Homestead Restaurant. Later, she had a daycare in her home.
Anyone who knew Carol knew her family was her prized possession. She loved spending time with her children and grandchildren. She made many feel like they were part of the family even if your last name wasn't Oncken. To many she was known as "Grandma Carol".She was truly loved and will be greatly missed.
Online condolences and memories of Carol may be left for the family at


JUN 13. 4:00 PM - 8:00 PM (CDT)

Ruestman-Harris - Minonk
775 North Chestnut Street
Minonk, IL 61760

Funeral Service

JUN 14. 11:00 AM (CDT)

Ruestman-Harris - Minonk
775 North Chestnut Street
Minonk, IL 61760

To send flowers to the family or plant a tree in memory of Carol Oncken, please visit our floral store.

To send flowers to the family in memory of Carol Oncken, please visit our flower store.


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