This fonds contains the papers of:
- Professor Alexander Christison FRSE (1751-1820), Professor of Humanity at the University of Edinburgh from 1806 to his death in 1820, father of Sir Robert Christison.
- Sir Robert Christison, 1st Baronet, FRSE FRCSE FRCPE (1797-1882), toxicologist and physician, father of Sir Alexander Christison (1828-1918).
- John Christison (1789-1862), sheriff of Ayr and brother of Sir Robert Christison.
- John Christison (1832-1894), advocate, Writer to the Signet, Secretary of Edinburgh University court; and son of Sir Robert Christison.
- Sir Alexander Christison (1828-1918), Surgeon-General in North-West Provinces & Oudh, India, and son of Sir Robert Christison.