| Administrative History | Lady (Frances) Mayne, later Lady Newhaven [d. 1801]. Wife of Sir William Mayne. Formerly Frances Allen, the heiress of a considerable estate in Ireland. She kept up a correspondence with Beattie and his wife for some years |
| Custodial History | In sequence of letters to Beattie in AUL file, but probably addressed to Mrs Beattie |