Mary Lou Hagen of San Antonio TX, passed away at 96 years of age, at Mission Trail Baptist Hospital in San Antonio TX. Mary Lou was born on September 8th, 1927, to Otto (Red) and Myrtle (Kirk, Hefti) Evans. She was preceded in death by her parents, her Husband Elvis, one infant brother Otto and two Sisters, Ruth Adkins and Gladys Marie Burnett. After graduating from Vincennes Lincoln High School in 1945 Vincennes IN. She met and married the love of her life Elvis John Hagen in 1950. Together they shared 59 years of marriage. Shortly after their marriage, Elvis and Mary Lou moved to Indianapolis IN where they made their lives together for many years. They moved to San Antonio in late 80's to early 90's where they continued their life together. Mary Lou was a teacher at St Philips University where she taught nutrition. One of Mary Lou's passions was writing. She researched and authored 5 historically accurate works of fiction on the reconstruction of the south, and in particular about Texas. She and Elvis enjoyed traveling around TX to do book signings and meet many good people and enjoyed the sites. Today Many of her works are still available on Amazon. She was an avid reader, she loved watching old Western's, and she loved dogs and cats having many through the years. She was a Christian. A member of the Holy Cross Lutheran Church for many years. She loved Pastor Elder McCant. When she was not able to go to church, he came to her home, hospital room or at the rehab facility, wherever she was and Ministered to her with words of Encouragement and Holy Communion. Mary Lou is survived by one Nephew, Brian Hagen and wife Connie of Vincennes IN. Two great nephews, Joe and wife Phyllis Burnett of Rockwall Tx, and David and wife Kathy Adkins of Lawrenceville Il. and one great nice Judy Peninger of Haughton LA. And several great great nieces and nephews. She is also survived by her special friend and companion Ruth Zamora, whom she loved as "the daughter" she never had. Visitation: Tuesday February 6, 2024,10:00 AM until 11:30 Funeral Service: 12:00 PM Interment: 2:00PM at Fort Sam Houston National Cemetery. Heritage Oaks Mortuary is in charge of arrangements. In leu of flowers the family asks if donations would please be made to any choice of Humane Society, Thank you.