This is the tombstone of Louis Edwin Schwarck, located in row 7 of Zion Lutheran Cemetery, Chattanooga, Mercer County, Ohio. The marker is inscribed:
LOUIS EDWIN Son of
Mr. & Mrs. E.J.
June 18, 1922 Mar. 10, 1923
Louis Edwin Schwarck was born in Blackcreek Township, Mercer County, Ohio, on 18 June 1922, the son of Edward Jacob and Clara Opal (Hughes) Schwarck. His father was born in Auglaize County, Ohio, and his mother was born in Jay County, Indiana.
Louis was baptized at Zion Chatt 6 August 1922, with Louis C. Schwarck and his wife Elizabeth serving as sponsors.
Louis died at the family home in Blackcreek Township on 10 March 1923 at the age of 8 months and 22 days. He died of pneumonia with pertussis/whooping cough contributing to his death. R.G. Ketcham and S.S. Egger were in charge of the funeral arrangements and Louis was buried on 12 March. 
The Schwarck family attended Zion Chatt for a time. Louis’ mother and his sister Mary Naomi were baptized by Zion’s minister in 1916. Louis’ infant sister is buried next to him in Zion’s cemetery.
This surname is spelled Schwark in Zion Chatt’s records.
 “Ohio Deaths, 1908-1953,” FamilySearch.org (accessed 30 Apr 2017), Lewis Edward Schwark, 10 Mar 1923; Black Creek, Mercer County Deaths; FHL microfilm 1992394.