E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
Loungers who frequented the middle of St. Pauls, which was the Bond Street of London up to the time of the Commonwealth. (See Ben Jonsons Every Man out of his Humour, where are a variety of scenes given in the interior of St. Pauls. Harrison Ainsworth describes these walkers in his novel entitled Old St. Pauls.)
The young gallants used to meet at the central point, St. Pauls: and from this circumstance obtained the appellation of Pauls Walkers, as we now say Bond Street Loungers.Moser: European Magazine, July, 1807.