Michael Aaron Kostecki Obituary
It is with great sadness that we announce the death of Michael Aaron Kostecki of New Lenox, Illinois, born in Joliet, Illinois, who passed away on April 8, 2026, at the age of 83, leaving to mourn family and friends. Leave a sympathy message to the family on the memorial page of Michael Aaron Kostecki to pay them a last tribute.
He was predeceased by: his wife Sandra Kay Kostecki; his parents, Theodore Edward Anthony Kostecki and Marjoria Ellen Kostecki; his in-laws, Bror Anderson and Helen Bernice Anderson; and his brother-in-law Harold Anderson.
He is survived by: his sister Elizabeth Hunter; his niece Katy Bristow (Ian); his great-niece Lula Apostolou (Josh); Vanna Apostolou. He is also survived by cousins as well as special friends who became treasured family members.
The family has chosen to send donations to The Bone Marrow & Cancer FoundationDonate Now (https://bonemarrow.org).
