From the census location, this looks like it might be her death record listing her parents.
Texas, Deaths, 1890-1976
Citing this Record: "Texas, Deaths, 1890-1976," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/K36D-GT4
Name: Rosella Underwood
Death 24 May 1971 Hale Center, Hale, TX
Female Widowed
Birth Date: 19 Dec 1876 Texas
Father: Berry Mcguire Mother: Carolyn Dunman
U S Census, 1930 Hale Center, Hale, TX
Citing this Record: "United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/HYYZ-3T2
Head Smith J Underwood M 56 TN
Wife Rosa O Underwood F 53 TX
Son Denton S Underwood M 25 TX
Cousin Clennie Underwood M 40 KY