 After the marriage of Mamie Gwinn to Alfred Hodder, Mary Garrett moved into the Deanery, where she resided until her death in 1915.Garrett was the daughter of John W. Garrett, the wealthy president of the B&O Railroad, and she used her financial resources to help the fledgling Bryn Mawr College in a variety of ways, including extensive renovations to the Deanery building.The two large renovations of the Deanery, in 1894–1896 and 1908–1909, and the decoration of the interior were largely financed through Garrett.