John S. O'Neill Obituary
The passing of John S. O'Neill of Wentzville, Missouri leaves a void in the hearts of many, as we bid farewell to a loving soul who departed on May 10, 2026 at the age of 88. Leave a sympathy message to the family in the guestbook on this memorial page of John S. O'Neill to show support.
He was predeceased by: his parents, Sandra O'Neill and Stafford J. O'Neill; and his sister Sheila O'Neill. He is survived by: his wife Mary Ann O'Neill; his children, Erin Girsch (Jeff), Meghan O'Neill (Jeremy Whitis) and Patrick O'Neill; and his grandchildren, Jamee Girsch, Jill Girsch, Henry Whitis and Bert Whitis. He is also survived by other family members and friends.
In lieu of flowers, memorial contributions in John's name may be made to the Society of St. Vincent de Paul at St. Patrick's Catholic Church (405 S Church St, Wentzville, MO 63385), The BackStoppers Police Organization (https://backstoppers.org), or The Alzheimer's Association .
