October 10, 1944 ~ October 13, 2019 (age 75)


75, of rural Sigel, Illinois, passed away Sunday, October 13, 2019 in her home.  She was born October 10, 1944 in Stewardson, the daughter of Truman and Edith (Tarrant) Rentfro. She married Clifford Koester on Oct 27, 1962 near Makanda, Illinois, Mr. Koester passed away June 5, 2010. 
Deloris was a retired School Bus Driver for the Stewardson-Strasburg School District 5A for 22 1/2 years. She was an avid genealogist. She was a member of The Church of Jesus Christ of Latter-Day Saints in Effingham and a Rentfrow Cemetery Board Member. 
Deloris is survived by two daughters, Sheila Zellner - husband Justin and Cindy Dial, both of Neoga; 3 sons, Clifford Koester - wife Laura, of Effingham, Fred Koester - wife Inga, of Decatur, and Eric Koester -  wife Amy, of Champaign; brothers, Larry Rentfro of Altamont and James Rentfro -  wife Bonnie of Texas; sisters, Barbara Carroll of West valley City, Utah and Linda Mast - husband Dave of Avon, Indiana; sister in laws, Bonnie Rentfro (Leonard's wife) and Janet Rentfro (Don's Wife); and brother in law, Melvin "JR" Parsons (Loretta's husband); 22 grandchildren, 6 great-grandchildren and several step grandchildren. She was preceded in death by her parents; husband, Clifford; brothers, Leonard and Don Rentfro; sister, Loretta Parsons and a grandchild, Myron Dial. 
Memorials are suggested to the family: C/O Cindy Dial, 1030 US Rt 45 lot 41, Neoga, IL  62447.
Funeral services honoring her life starts at 10:00 AM, Friday October 18, 2019, at The Church Of Jesus Christ of Latter-Day Saints, in Effingham, Illinois.
Visitation will be from 6:00 PM until 8:00 PM, Thursday, October 17, 2019, at the church also.
Burial will follow in the Rentfrow Cemetery in rural Shumway off IL route 32.
The Swengel - O’Dell Funeral Home of Neoga is assisting the family.

Online condolences may be expressed at 

To send flowers to the family or plant a tree in memory of DELORIS J. (RENTFRO) KOESTER, please visit our floral store.


October 17, 2019

6:00 PM to 8:00 PM
Church Of Jesus Christ Of Latter-Day Saints
905 Holly Dr
Effingham, IL 62401

Celebration of Life
October 18, 2019

10:00 AM to 4:00 PM
Church Of Jesus Christ Of Latter-Day Saints
905 Holly Dr
Effingham, IL 62401


To The Family C/O Cindy Dial
1030 US Rt. 45 Lot 41, Neoga IL 62447

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