Richard A. O’Hea was born on December 9, 1821. An immigrant from Ireland, O’Hea enlisted in the Confederate Army as an engineer in 1862 and was promoted to 1st Lieutenant on April 30, 1864. After the war O’Hea, a civil engineer, was hired by Mrs. Harriet Blanton Theobald to aid in designing Greenville. He also designed the new Greenville Cemetery after the old cemetery was filled by the Yellow Fever Epidemic in 1878. O’Hea died on April 2, 1891 and is buried near the gates of the cemetery he designed.