William Duncan Obituary
We announce the death of William Duncan of Orland Park, Illinois, born in Chicago, Illinois, who passed away on September 6, 2026, at the age of 86. William will be remembered by family members, friends, and others whose lives were connected in meaningful ways. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.
He was predeceased by: his wife Janet Duncan (Arnold). He is survived by: his children, Randy Duncan (Mary), Kimberly O'Brien (James) and Gary Duncan (Joanna); his grandchildren, Robert, Amanda, Jami, Ryan and Eric; and his great grandchildren, Bryce, Takara, Emersyn, Landon, Taylor, Brandon, Brooke, Kennedy and Tatum.
In lieu of flowers, charitable donations may be made to the National Adoption http://www.adoptnaa.org.
