Mary Louise Houston, age 91, a resident of Baton Rouge, Louisiana, peacefully passed away on Tuesday, January 20, 2026. Mary was a devoted and faithful member of Second Baptist Church, where she served diligently on the Deaconess Ministry. She found great joy in gardening and treasured spending time with her family and friends. She leaves to cherish her loving memory her children: Loretta Fisher, Spring Allen, Sheila Anderson, and Larry Houston; her siblings, Pearl Taylor and James Allen; brother in law, Josh Taylor; 19 grandchildren, 17 great-grandchildren, and 7 great-great-grandchildren; along with a host of other relatives and dear friends. She was preceded in death by her beloved husband, Walker Houston, Jr.; her daughter, Lorraine Allen; her parents, Henry and Lucille Allen; and her siblings, Lizzie West, Viola LeBlanc, Betty Allen, Mable Taylor, Charles Allen, Henry Lee Allen, and Earl Allen. Visitation will be held on Saturday, January 31, 2026, at Second Baptist Church, 914 N. Acadian Thruway, Baton Rouge, Louisiana, from 8:00 a.m. until funeral services begin at 10:00 a.m., with Rev. Samuel Lofton, Jr. officiating. Services are entrusted to Hall Davis and Son Funeral Services.