Robsons 1832 directory index
This is the earliest street directory I have found so far which also includes pub history detail.
Southampton street, Bloomsbury
North
Smith E W
3 Philpot & Stone
4 Clerical & Medical Life Assurance, Pinkard J, sec
6 Wilson Charles
8 Mallock & Taynton
9 Bloomsbury Bank
South
12 Bayley William
13 Poole G W
16 Eldred J W
18 Hanson Charles
19 Domeier Augustus
20 Walker George
22 Pitcher A