Over 1220 letters, postcards, cards, lettercards and telegrams from friends and family (other than Daphne Mayo's parents). Correspondents include: Lloyd Rees, some with or by his wife, Majorie Rees; Vida Lahey; Edith Lahey; Dr Christine Rivett; Walter Taylor; Nell Mary Lette Hubble; Mim Shaw; and Ina Rivers.

General financial records including correspondence, receipts, bank statements, cheque and deposit books, tax returns.

Correspondence from government departments, Society of Artists, exhibition organisers, galleries, lawyers, dentists, real estate agents, and more.

Ledgers with expenses and income from rental property from 1937 to 1959, most of which were probably kept by her father until his death in 1954 and then by mother and/or Daphne. Ledgers kept by Daphne Mayo from 1960 to 1965 incorporate income and expenses for property, dividends and her profession. Folders contain correspondence, notes, invoices and receipts, and rental books for property in Highgate Hill, Brisbane.