"United States Social Security Death Index," database, FamilySearch (https://familysearch.org/ark:/61903/1:1:J1FC-TPK : 20 May 2014), Gussie Brock, Dec 1983; citing U.S. Social Security Administration, Death Master File, database (Alexandria, Virginia: National Technical Information Service, ongoing).
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MK3B-ZJK : accessed 20 September 2018), Gussie B Bobo in household of Augustus K Bobo, Stafford, Cherokee, Alabama, United States; citing enumeration district (ED) ED 11, sheet 8B, family 16, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 5; FHL microfilm 1,374,018.
It may be possible to confirm family relationships with Gussie by comparing test results with other carriers of her ancestors' mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Gussie: