The correspondence in this sub-series are from various friends of Mary Hamilton as follows:
- HAM/1/8/1: Correspondence from the Iremonger Family, 11 items;
- HAM/1/8/2: Correspondence from Dorothy Blosset, 33 items;
- HAM/1/8/3: Correspondence from Mrs M. Calling Smith and her brother, Mr Barrows, 12 items;
- HAM/1/8/4: Correspondence Dr Kerr and his family, 12 items;
- HAM/1/8/5: Correspondence from Ann Rogers, 5 items;
- HAM/1/8/6: Correspondence from Maria Eliza Rundell and Maria Rundell, 13 items;
- HAM/1/8/7: Correspondence from Lady Webb, 24 items;
- HAM/1/8/8: Correspondence from Lady Mary Wake and her family, 32 items;
- HAM/1/8/9: Correspondence from Court Dewes, 4 items.
The papers in this sub-series cover a wide range of subjects including news of family and friends, on a persistent admirer of Hamilton's (see HAM/2/8/8), literature and charity. Miss Iremonger reports that Mrs Montagu is organising an entertainment for the aid of the 'French Ladies' (HAM/1/8/1/8) and in the same letter she reports that the Duke and Duchess of Dorset open their Hall and feed 200 poor people each evening. Other correspondence relate to war, Royal Naval mutinies (HAM/1/8/2/16) and the education of girls. Rundell (HAM/1/8/6) writes with recipes for health complaints and with advice on rearing children and on the problem of finding servants. She also writes on education and on girls schools. The Correspondence also relates to society, Maria Rundell reports that the Duchess of Devonshire has come to Bath and the town 'is very gay' (HAM/1/8/6/3). the sub-series is also concerned with news of Hamilton's friends at Bulstrode, the King and Queen and Frances Burney.