John O. Dennison Obituary
It is with deep sorrow that we announce the death of John O. Dennison (Columbia, South Carolina), who passed away on September 30, 2025, at the age of 72, leaving to mourn family and friends. Family and friends can send flowers and/or light a candle as a loving gesture for their loved one. Leave a sympathy message to the family in the guestbook on this memorial page of John O. Dennison to show support.
He was predeceased by: his parents, Warren Dennison and Mary Harrison Dennison. He is survived by: his wife Susan Haislip Dennison; his children, Lauren McDonald (Ryan), Lenae Scott (Kevin) and Jonathan Dennison (Kelly); and his grandchildren, Anna Kate, Will, Georgia, John Grayson, Hayes and Ella Rose.
