Union Dale Cemetery contains the graves of eight Confederate soldiers, who died in Pittsburgh as prisoners of war."Confederate Dead in Pittsburgh," Western Pennsylvania Historical Magazine, vol. 1, no. 3 (July 1918), p. 157. These were rediscovered in 1918: "Pittsburgh Chapter asks convention to assist in establishing identity eight Confederate prisoners of war who died in Pittsburgh in eighteen sixty-four. Confederates buried here and we are erecting memorial on their graves. Cemetery records lost.""Lillienne Freeman Cowan to Mary Poppenheim, President General United Daughters of the Confederacy, April 4, 1919." reprinted in Minutes of the Twenty-Fifth Annual Convention of the United Daughters of the Confederacy (Kansas City, Mo.: Kellogg-Baxter Printing Co., 1919), p. 541.
