These bundles contain papers relating to security during the Duke's visit, his itinerary, celebrations and ceremonies including investiture of the Duke as Knight Grand Commander of the Star of India, protocol questions, expenditure on gifts given by the Duke, his personal conduct, and hunting trips.

These bundles contain papers relating to Mayo's correspondence and exchanges of gifts with the rulers of native states and with other high ranking Indians. Nearly all the correspondence is of a personal though formal nature.

The papers listed in this section of the catalogue consist mainly of letters to Mayo. They are in bundles arranged alphabetically by author, although most bundles contain some letters by Mayo himself, or copies of his replies written on the letters he received. Some bundles also contain letters by third parties. Occasionally, other forms of official paper are included.

These bundles concern the decoration and maintenance of Government House, Calcutta, and its grounds.

These bundles contain papers relating to business connected with Mayo's family, property and acquaintances in Ireland, opinions on Irish affairs, and requests for Mayo's patronage or support.

This bundle contains papers relating to Mayo's death during his visit to Port Blair, Andaman Islands, removal of his body to India then Britain, letters of condolence, and Lady Mayo's return to Britain.

These bundles contain papers relating to travel arrangements, accommodation, and receptions connected with official and sporting tours made by Mayo.