The property was apparently purchased by David Washington Pipes (1845-1939), a Civil War Veteran who owned two cotton plantations, the Doss Plantation and Avondale. His son Windsor Pipes eventually took over operations at Doss.
Any additional information would be much appreciated!
Image above: Unidentified photographer. Swan Lake Baptist Church and School. Undated. Miscellaneous Photographs Collection, Southeastern Architectural Archive, Special Collections Division, Tulane University Libraries.