This collection reflects the personal life and artistic career of Lady Mackay (b.1941). The papers contain correspondence, sketchbooks and loose artworks, writing drafts and proofs, school records, personal and art-related photographs, family papers, and career-related ephemera.

The collection has been arranged into five distinct series as follows:

1. Correspondence of Lucinda Mackay (with friends, close acquaintances, painting subjects, patrons, other artists, and public and private galleries);

2. Papers relating to Lucinda Mackay's artistic practice, writing, and teaching;

3. Papers relating to her early academic education and training (in Britain and Switzerland and later at Edinburgh College of Art, University of Edinburgh (1960-1965), and the Central School of Art and Design in London (1973-1974);

4. Family papers;

5. Inventories of archival material.