"Tennessee, County Marriages, 1790-1950," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XZW1-SQB : 20 July 2016), Charles Cannon and Zona Stills, 12 May 1920; citing Greene, Tennessee, United States, Marriage, p. 157, Tennessee State Library and Archives, Nashville and county clerk offices from various counties; FHL microfilm 1,148,860.
"United States Census, 1910," database with images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/MGF5-K45 : accessed 20 November 2016), Zona Stills in household of Smith A Stills, Civil District 2, Greene, Tennessee, United States; citing enumeration district (ED) ED 68, sheet 7B, family 132, NARA microfilm publication T624 (Washington D.C.: National Archives and Records Administration, 1982), roll 1501; FHL microfilm 1,375,514.
It may be possible to confirm family relationships with Arizona by comparing test results with other carriers of her 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 Arizona: