27.10.1788
Identified, probably wrongly, in GD website as the cartoonist Isaac Cruikshank. Given the many medical men and their wives at Miss Williams' tea parties this seems more likely to have been William Cruikshank (DNB 1745-1800). He was partner to Hunter, whose widow also attended the tea parties, and then to Baillie, who did as well.
4.8.1801 miss Cruickshank at Carlisle's
The will of William Cruikshank PCC 1800 and dated 1794 provided for his daughters Ann and Isabella and mentioned no wife, though the DNB says he married in 1773 and had four daughters. Ann dau of William & Margaret Cruikshank was baptised at St Martins i t Fields on 9.5.1775. His daughter Ann married his pupil Honoratus Leigh Thomas DNB 1769-1846 on 10.9.1795. So this miss Cruikshank was perhaps his daughter Isabella