See Castle Street East 1 to 15 &c in London Addresses dataset
No 8 Castle St East Land Tax 1791-1826 Thomas Edmonds / Harris's list 1788 Miss Br-wn, 1789 Miss B-ks / No 7 Castle St East Land Tax 1797 Catherine Edmonds
The Covent Garden Ladies were in the gap 1785-1790 for which we have no Land Tax records. Thomas Edmonds = 31.5.1789 St Anne Soho Priscilla Ridley and Thomas Ridley Edmonds son of Thomas & Priscilla was born 20.2.1790 and bapt there 14.3.1790. A Priscilla Edmonds, adult, was buried St Marylebone 13.3.1796. The Catherine Edmonds entry for No 7 in 1797 sandwiched between Catherine Brown entries, suggests she may have been seen as Edmonds' wife