Mary Lu Seiffert on Friday, September 26, 2025. Loving wife of the late Leo Seiffert Sr. Loving mother of Debbie (Paul) Tolin, Leo Seiffert Jr., Joan Simpson, and the late Patricia Seiffert, Michael Seiffert and Judith Olson. Loving grandmother of 7 and great-grandmother of 16. She will be missed by all who knew and loved her.
Services: Funeral Thursday, October 2, 2025 at Queen of All Saints (6603 Christoper Dr 63129) at 10:00 AM. Visitation Wednesday, October 1, 2025 at Kutis South County Chapel (5255 Lemay Ferry Road) 4:00-8:00 PM. Interment at Jefferson Barracks National Cemetery.