William Duane Gillis Obituary
We bid farewell to William Duane Gillis (Harriman, Tennessee), whose journey of life gracefully concluded on December 12, 2025 at the age of 71. William touched countless lives with warmth and kindness, leaving behind cherished memories that will forever echo in hearts. 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 Melissa Gillis; his father Robert Gillis; and his sister Nancy Gillis. He is survived by: his mother Billie Gillis; his brother Terry Gillis (Shari); his children, Michelle Gillis, Michael Gillis and Steven Gillis (Shawna); his grandchildren, Kylie, Madalynn of Quillan, JJ, Cole and Gracie; and his sister-in-law Ruthann Brummitt.
A celebration of life will be held on Wednesday, December 17th 2025 from 6:00 PM to 8:00 PM at the Piney Grove Church (2325 Ruritan Rd, Harriman, TN 37748). Visitation will be held on Thursday, December 18th 2025 at 10:00 AM at the Kyker Funeral Home (430 Morgan Ave NE, Harriman, TN 37748). A graveside service will be held on Thursday, December 18th 2025 at 10:30 AM and at 11:00 AM at the Roane Memorial Gardens (1400 N Gateway Ave, Rockwood, TN 37854).
Duane requested that in lieu of flowers contributions be made to his children.