Marian; Allison Mansion; James Allison; Sara Allison; historic mansion; National Register of Historic Places
James A. Allison Mansion, c. 1937. The Allison Mansion anchors the 64-acre Riverdale Estate, constructed by Allison for his wife Sara Cornelius, between 1910 and 1914. In 1936, the estate was purchased by the Sisters of St. Francis, Oldenburg,...