In this collection there are over 100 folders of correspondence: 13 of these folders relate to Mayo's commissioned and uncommissioned sculptural works. There are over 1400 items of correspondence from her parents and over 1220 items of correspondence from friends and family (other than her parents). A small number of outgoing letters or drafts are in the collection. There are financial records and related correspondence, bank records, tax records relating to the finances of Daphne Mayo regarding her artistic works, property investments, and investments in bonds and shares. Personal documents are present such as permits; identification documents; diaries; calendars; handwritten notes, writings, scribblings; and copious lists for all areas of her life. There are portrait photographs of Mayo and of her works from 1919-1974; as well as two albums of photograph taken by Judith McKay when Daphne Mayo's Sydney studio was packed up. Included in the collection are 48 sculpting tools. The most prolific of her works of art in the collection are her drawings and paintings with over 436 artworks, as well as 22 sculptures, and 46 sketchbooks. Retained in the collection are inscribed publications, exhibition catalogues, and newspaper and magazine cuttings given to Mayo or collected by her. Additionally material that is presumed to be from the estate of Lila Mayo, Daphne's mother, form part of the collection and this includes 6 folders of letters from 1930 to 1959 from Mayo to her parents.