This is the tombstone of Edna Ruth Heffner, located in row 1 of Zion Lutheran Cemetery, Chattanooga, Mercer County, Ohio. The marker is inscribed:
Edna Ruth Heffner was born in Mercer County, Ohio, on 15 March 1912 to Rudolph G. and Nellie (Deyo) Heffner. She was baptized at Zion Chatt on 7 April 1912 with her parents as sponsors.
In 1920 “Ruth” was living with her parents and siblings in Liberty Township: Rudoph, 33, head; Ella, 34, wife, Luther, 11; Ruth, 7; and Lois, 10 months. All were born in Ohio except her mother Ella, who was born in Indiana. Her father’s occupation was given as a pumper in the oil field. 
Edna Ruth was confirmed at Zion Chatt on 5 April 1925 by Rev. Albrecht. Her confirmation verse was Jeremiah 31:3. She is in the confirmation photo below, but I do not know which one she was.
According to Zion’s records Edna Ruth died of heart failure on 18 August 1927 at the age of 15 years, 5 months, and 3 days. She was buried on the 20th. Survivors included her parents, 3 brothers, and 1 sister. Her siblings were Luther, Cleo, Robert, and Lois.
According to her death certificate Edna Ruth was born in Black Creek Township, Mercer County, and her mother was born in Adams County, Indiana. According to this record Edna Ruth died of endocarditis with arthritis as a contributing factor. According to this record she was buried on the 21st, with Egger and Ketcham in charge of the funeral arrangements. 
 1920 U.S. Census, Liberty Township, Mercer County, Ohio, ED 140, p.4A, dwelling 72, family 72, Rudolph Heffner; Ancestry.com (www.Ancestry.com : accessed 29 November 2014); from NARA microfilm T625, roll 1418.
 “Ohio, Deaths, 1908-1953,” index and images, FamilySearch (www.familysearch.org : accessed 29 November 2014), Edna Ruth Heffner, 18 August 1927; citing Liberty Township, Mercer, Ohio, from FHL microfilm 1985116.