See Castle Street East 1 to 15 & 11 Berners Street in London Addresses dataset
No 3 Castle Street East Land Tax 1784-1800 William Evans
Will PCC 1800 of William Evans of 3 Little Castle St, bricklayer, sister Sarah Little, wife Mary to whom he owed £43, occupied piece of ground at back of Castle St Mews dated 24.10.1800 proved 13.11.1800 / Wm Evans bur 30.10.1800 St Marylebone / William Evans bach otp = 9.5.1794 St Marylebone by banns Mary Morris (her mark) wid otp wit Susannah Roberts