The Neo-Georgian mansion has columned porticos, Palladian windows and a hilltop setting, It was designed by Appleton P. Clark, Jr., and constructed in 1902 as a summer home for Captain and Mrs. James Oyster and their family. In 1908, the Oysters sold the residence and its to Charles I. Corby and his wife, Hattie. It was used as a summer home until 1914 when it was remodeled by architect Charles Keene, and became the permanent abode for the Corby family. Mr. Corby died in 1926 after acquiring nearly of surrounding land and maintaining a fully operational dairy farm and a private golf course. With the death of Mrs. Corby in 1941, the home was purchased by the Sisters of the Holy Cross in 1943 and became known as St. Angela Hall, serving as a convent and school.