"Tennessee, County Marriages, 1790-1950," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:XZWX-6QC : 17 October 2017), Voluntine Hacker and Polly Spires, 11 Aug 1818; citing Grainger, Tennessee, United States, Marriage, p. , Tennessee State Library and Archives, Nashville and county clerk offices from various counties; FHL microfilm 1,358,478.
"United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MHJT-X42 : 12 April 2016), Mary Hacker in household of Volentine Hacker, Marion, Monroe, Indiana, United States; citing family 911, NARA microfilm publication M432 (Washington, D.C.: National Archives and Records Administration, n.d.).
https://www.findagrave.com/memorial/123314668/mary-hacker
Featured Eurovision connections: Mary is 32 degrees from Agnetha Fältskog, 25 degrees from Anni-Frid Synni Reuß, 26 degrees from Corry Brokken, 21 degrees from Céline Dion, 26 degrees from Françoise Dorin, 26 degrees from France Gall, 27 degrees from Lulu Kennedy-Cairns, 26 degrees from Lill-Babs Svensson, 19 degrees from Olivia Newton-John, 34 degrees from Henriette Nanette Paërl, 32 degrees from Annie Schmidt and 19 degrees from Moira Kennedy on our single family tree. Login to see how you relate to 33 million family members.