Title: John Mason Loomis. PhotographerH. Rocher. Subjects (LCSH) Loomis, John Mason; United States. Army. Illinois Infantry Regiment, 26th (1861-1865); United States--History--Civil War, 1861-1865; Illinois--History--Civil War, 1861-1865; Soldiers--Illinois; Military uniforms; Photographs Description "Photograph of Union soldier, John Mason Loomis, from Chicago, Cook County, Illinois, who served in the 26th Illinois Infantry Regiment. He is pictured here in his army uniform". StudioL H. Rocher Studio. Location Chicago, Illinois. Format cabinet card.Type Image Publisher Abraham Lincoln Presidential Library.