This is a listing from the Public Houses section of the UK London Post Office Directory in 1856.
Yarmouth Arms, H Newman, 88 Lower Thames Street
Yarmouth Town, A W Stewart, 168 Old Gravel Lane
York, John Bowden, 2 Pullins Place, Islington High Street
York Arms, William Glasgow, 52 Curzon Street, Mayfair
York Arms, John Oliver, 54 East Street, Manchester Square
York Arms, W H Peek, 5 Middle Serles Place, Carey Street
York Arms, William Tungay, 87 High Holborn
York Minster, Edward Dalby Chaston, 13 Philpot Street, commercial Road east
York Minster, Rd Cook, 8 North Audley Street
York Minster, John Frost, 17 Foley Street, Foley Place
York Minster, George Osborne, 49 Dean Street, Soho
York Minster, T Squires, 50 Wardour Street, Soho
Yorkshire Grey, Mrs V Arden, 4 Park Street, Borough
Yorkshire Grey, James Braithwaite, 3 Great White Lion Street, Seven Dials
Yorkshire Grey, Henry Callaway, 54 Eagle Street, Red Lion Square
Yorkshire Grey, J Cowland, Stratford High Street
Yorkshire Grey, Dan Dawson, 189 Piccadilly
Yorkshire Grey, George Ellis, 68 Bermondsey Street
Yorkshire Grey, Mrs Mary A Jones, 30 Hart Street
Yorkshire Grey, Mrs M A Nares, 17 London Street, Fitzroy Square
Yorkshire Grey, William Owen, 53 Lower Thames Street
Yorkshire Grey, George Park, 49 Whitechapel High Street
Yorkshire Grey, William Petch, 24 Woodstock Street
Yorkshire Grey, J Pitchford, Maryland Point, Stratford
Yorkshire Grey, J Simpson, 1 Grays Inn Terrace
Yorkshire Grey, William Thurston, 20 Foley Place. Great Portland Street
Yorkshire Grey, William Wilson, 14 Cheyne Walk, Chelsea
Zetland Arms, A Crowfoot, Bute Street, Old Brompton