See Castle Street Esat 1 to 15 &c in London Addresses dataset
No 14 Castle St East Land Tax 1784 James Douglass 1785-1790 no data 1791-1796 John Carroll 1798-1800 Letitia Turnbull / Harris's List 1790 Miss B-r-n
(Letitia d of John & Eliz Carrol of New St born 7.8.1753 bapt 19.8.1753 St Bride Fleet St) / Letitia d of John & Letitia Carrol mariner at St James Stairs bapt 15.12.1754 St Paul Shadwell / John s of John & Letitia ballastman at St James Stairs bapt St Paul Shadwell 4.3.1753 / Robert Turnbull wid otp = 30.3.1782 St Marylebone by lic Letitia Carrol sp otp wit Elena Lay / John Carroll bur 23.5.1794 Westminster / London Consistory Court 8.9.1795 John Barker proved will of John Carroll who died last March seaman of Duckingfield West India merchant ship Charles Robinson commander (his wages under £20 left to Barker no mention of sister or leasehold) / John Carroll bur Greenwich Hospital 5.4.1796