Apr. 25, 1918 Fort Worth Tarrant County Texas, USA
Mary died of a gunshot wound.
Note: Mary's surname is misspelled on her headstone.
Biographical information from William Thomson:
"[Mary's husband] Carl actually killed her by gunshot when she arrived at a streetcar stop on Vickery Blvd and Ash Crescent St., then committed suicide. The story was that she had been having an affair with another man and Carl was taking revenge."