 In the 1930s an expansion was designed by landscape architect Harland P. Kelsey in consultation with Frederick Law Olmsted, Jr.The gates, a gift of mill owner George Gilbert, were designed by Julius A. Schweinfurth and installed in 1909.A marker for the painter Clarissa Peters Russell exists in the cemetery, honoring also her husband, Moses Baker Russell, and their son, Albert Cuyp Russell; whether it is a grave marker or cenotaph is unknown.