Several astute Fallen Londoners have noticed parallels between Fallen London and the real world, besides its alternate-historical setting and the well-known fact that the Empress and her Consort are Victoria and Albert.
Mr. Huffam, of Doubt Street fame, is none other than Charles Dickens.
The Epigrammatic Irishman, a character in a recently-released story involving Mr Pages, is Oscar Wilde.
Dr. Schlomo, a nightmare-curing Victorian Dr. Oz, is Sigmund (Schlomo) Freud.
Painter William Holman Hunt also appears in the game as the Ginger-Haired Painter.
The Relickers, aka rag-and-bone-men, existed and still exist IRL.
The Bishopric of Southwark is actually a thing. So was The Great Game, which used to be a power struggle in Central Asia but now spans the world.
Sir Stamford Raffles, mentioned in reference to the Labyrinth of Tigers and the Correspondence is indeed the founder of the British colony of Singapore, the Zoological Society of London, and the London Zoo. His son, Leopold, also survived and is now Pirate-King of the Isle of Cats.
March of the Calendar Council - until he was murdered by the Haunted Doctor, at least - was temperance campaigner and author John Cassell, who also sold coffee.