She was born May 19, 1910, in Lawrence, the daughter of John and Mattie (Corbin) Hallmark.
Mrs. Fenstemaker was an insurance secretary.
She married Stanley T. Fenstemaker, who died in July 1984.
Survivors include two sons, Alan Fenstemaker and Gary Fenstemaker, both of Laurie, Mo.; six grandchildren; many great-grandchildren; and a great-great-grandchild.
Kidwell-Garber Funeral Home of Laurie is in charge of arrangements.