Laurie ~
Found it on FamilySearch.org.
"Georgia Deaths, 1928-1940," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:JJQF-YJS : 4 April 2016), Lowman, Mary Bess, 21 Dec 1929; citing Omaha, Stewart, Georgia, United States, Georgia Archives, Morrow; FHL microfilm 4,120,852.