Here's a possibility for Melvina Scurlock. It's from familysearch.com. Edmonson, Missouri is in Benton County. In 1910 Mellie Balke is 38 so her age matches up with that of Melvina.

Texas, Deaths 1890-1976
name: Samuel Henry Balke
event: Death
event date: 24 Sep 1966
event place: Austin, Travis, Texas, United States
gender: Male
marital status: Married
birth date: 17 Mar 1904
birthplace: Edmondson, Missouri
father's name: Samuel Balke
mother's name: Melbina E Scurlock
certificate number: 62544
film number: 2118406
digital folder number: 005144884
image number: 02953