Katherine is survived by her son, Paul Grenon, Jr. (Michelle); her grandchildren, Mikayla Grenon and Hailey Grenon; her sister, Gail Marretta; and numerous cousins. She was preceded in death by her parents, Anthony & Rose Foti Marretta.
Visitation will be held at Evangeline Funeral Home, 415 E Bridge Street, St. Martinville, LA 70582, US, on May 20, 2026, from 10:00 am to 11:00 am, followed by the Funeral Service at the same location on May 20, 2026, from 11:00 am to 11:30 am. Final resting place will be at St. Michael's Mausoleum in St. Martinville.