Denny O'Brien Obituary

It is with great sadness that we announce the death of Denny O'Brien of Knoxville, Iowa, who passed away on April 18, 2026, at the age of 70, leaving to mourn family and friends. Family and friends are welcome to leave their condolences on this memorial page and share them with the family.

He was predeceased by: his parents, Thomas "Ed" O'Brien and Bernice O'Brien (Golden). He is survived by: his wife Sharon O'Brien of Knoxville; his children, Bruce, Lisa (Wayne), Angela and Heather; his grandchildren, Harvick, Lucas, Cody, Parker, Deserae and Mackenzie; his great grandchildren, Ryker, Waylon and Oakleigh; and his siblings, Sharon (Mick), Margaret, Marlene (Donnie), Tom, Dale and Donna (Rick). He is also survived by several brothers-in-law and sisters-in-law, and endless nieces and nephews.

Memorials may be directed to the family.