William DeCoster

March 25, 1939February 17, 2021

William “Bill” DeCoster March 25, 1939 - February 17, 2021 William DeCoster, 81, passed away with his family by his side in North Riverside, IL. Bill was born in Chicago, IL to Bill and Lottie DeCoster. His occupation was in the printing business where he worked as a lithographer for 38 years. On October 8th, 1960 he married Bernadine Alice Kosowski. They raised four caring children: Karen, Gary, Kathy and Kristen. He was a lover of the Chicago Cubs, a member of the National Guard and the Army Reserve and loved to camp, fish and spend time with his family. His best days were always with his beloved Alice. Bill was preceded in death by his father Bill, mother Lottie, brother Terry, sister Linda and grandson Billy. He is survived by his loving wife of 60 years Alice DeCoster, his four children: Karen (Jack), Gary (Kathryn), Kathy (Dave), and Kristen (Mike), 12 Grandchildren: Allison, Lauren, Ashley, Missy, Patrick, Joe, Abby, Jack, Emma, Michael, and Mia and 7 great grandchildren and many nieces and nephews. A memorial mass will be held at a later date when all family can be present.


No public services are scheduled at this time. Receive a notification when services are updated.


William DeCoster

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February 19, 2021

Dear Kristen and Family,

I’m so sorry to hear about the loss of your Dad. May he Rest In Peace and enjoy eternal life with our Lord. You are all in my thoughts and prayers.

Sister Marianne Saieg

February 18, 2021

Bill was always welcoming and kind to me at our family
gatherings. I so enjoyed breaking bread with him and with all the family. He was fun and a happy loving to Alice, his dear wife.
I am sure he is enjoying the Eternal Banquet!

My prayers are with the family.
Sister Marianne