Mary Lou Allen Schmidt, 73, of Washington, died on September 11, 2023, in Premier Washington Health Center. She was born on January 26, 1950, in Washington, a daughter of the late Alvin and Anna Mae Bell Allen. Mary Lou was a graduate of Trinity High School. Surviving are three siblings, Margaret J. Allen, of Washington, Helen V. Allen, of Washington, and William (Rhonda) Allen, of Aliquippa; and many nieces and nephews. Deceased are three sisters, Nellie Allen, Doris Allen and Sally Allen; and a brother, Alvin Allen, Jr. All services are private. Arrangements are entrusted to William G. Neal Funeral Homes, Ltd., 925 Allison Ave., Washington.