See Castle Street East 1 to 15 in London Addresses dataset
No 11 Berners Street Land tax 1791-1807 John Diolott / Harris's List 1793 Mrs Chish-lme
According to the text of Harris's List she kept the first floor and was about 34 years old. Possibles: William Fenton bach otp = 5.12.1802 St Marylebone Catherine Chisholm (her mark) wid otp wit Wm Hope / Alexander s of Alexander & Catherine Chisholme of Blue Anchor Yard bapt 17.9.1797 St Mary Whitechapel / Alexander Chisholm = 9.3.1786 St Dunstan Stepney Catherine Dearness