If you have access to ancestry, her death record is online, but if not I'll give you the info:
Mary S. Spencer, b. Texas 10-5-88 d. St. Albans, VT 10 Jan 1984, widowed, age 95 at last birthday.
occupation is listed as Doctor (osteopath), more than likely for her husband, but there's not one listed.
Louis Strohe is listed as father, mother is Kate Sitle.
Name: James Harry Spencer
Spouse: Mery Strohe Spencer
Birth: 27 Aug 1890 - New York
Death: 5 Oct 1973 - St Albans, Franklin, Vermont
parents names unknown
Occupation: Osteopathic Medicine