This information could be useful in tracking the Beer Retailers in the 1901 census. I would imagine that many Publicans, Licensed Victuallers and Beer Retailers also moved into London, as also, parts of the area of Kent had become enveloped as part of the London area.
Oak, Henry Arthur Bolton, Boughton Monchelsea, Maidstone
Oak, Frank Houlton, 172 Widmore road, Bromley
Oak (The), Hy. Thos. Stickel's, jun. 10 High street, Hythe
Oak inn (The), F. Waters, 33 Rusthall High street, Tunbridge Wells
Oak & Ivy, George Thatcher, 60 Blenheim road, Deal
Oakhill Wm. Jas. Hadden, 90 Bromley road, Beckenham
Oddfellows, Horace Adams, 34 Dover street, Folkestone
Oddfellows' Arms, Charles Addison, 74 West hill, Dartford
Oddfellows' Arms, F. Coleman, 30 Radnor street & Stade, Folkestone
Oddfellows' Arms, R. Goldsmith, 61St. Peter's place, Canterbury
Oddfellows' Arms, Walter Amos Holdstock, Halfway houses, Minster, Sheerness
Old Amsterdam, Jacob Beiehteller, 6 East street, Gravesend
Old Barn, Harry Hobart, High street, Chatham
Old Bell, George Brooker, Burham, Rochester
Old Beverley Arms, W. Banks, St. Stephen's, Canterbury
Old City of Canterbury, Mrs. Amy Wills Pemble, Oaten Hill place, Canterbury
Old Cock, Walter Palmer, Hildenborough, Tonbridge
Old Commercial Quay, Henry Carley, 16 Commercial quay, Dover
Old Crook Log, George Harvey, Crook Log, Bexley Heath
Old Endeavour, Mrs. Elizabeth Morse, 124 London road, Dover
Old England, G. Hughes, Ashford road, Hollingbourne, Maidstone
Old English Gentleman, G. T. Sargent, Church street, Tovil, Maidstone
Old Flying Horse, Alfred Marsh, High street, Wye, Ashford
Old Fountain, Mrs. Emily J. Beatton, Caroline place, Dover
Old George, Thomas Rogers, 39 High street, Strood, Rochester
Old George inn, Thos. David G. Scott, 9 Globe lane, Chatham
Old George, Hartnell Webb, Hoo common, Rochester
Old Half Moon(The), Frederick Oaten, Hildenhoro', Tonbridge
Old House-at-Home, Frederick Griffin, 1 High street, Queenborough, Sheerness
Old House-at-Home, Mrs. 8.3. St-rover, High street, Westerham
Old Jail inn, Richard Cowlard, Jail lane, Cudham, Sevenoaks
Old Jolly Sailor, Joseph James, 16 West street, Sheerness
Old Lord Raglan, Edward Maynard, 266 New road, Chatham
Old Prince of Orange, W. W. Bardoe, Windmill street, Gravesend
Old Prince of Wales, James Bridge, 10 New street, Ashford
Old Star, Edward Mitchell, St. Paul's Cray, St. Mary Cray
Old Sun inn (The), Chas. Geo. Rayfield, Understone, Northtleet
Old Sun inn, C. G. Rayfield, sen. Riverside, Rosherville, Gravesend
Old Victory inn, Charles Scovell, 38 Middle street, Deal
Olive Branch, Mrs. Ellen Frances Laker, Westwell Leacons, Westwell, Ashford
One Bell. George Hackman, 7 High street, Dartford
One Bell inn, Sydney John Snell, Old Dover road, Crayford
Orange Tree, William Blackman, Wilmington, Dartford
Orange Tree, J. Fitzgibbon, Maxton, Dover
Ordnance Arms, John T. Billinghurst, 76 Coleman street, Chatham
Ordnance Arms, T. A. Cheel, 19 High street, Queenboro', Sheerness
Ordnance Arms, Charles Collett, Military road, Hythe
Ordnance, James R. Rooks, 120 Snargate street, Dover
Ordnance Arms, R. G. Hammond, 1 Queen street, Gravesend
Ordnance Arms, Ed. W. Prentie, 376 High street, Rochester
Orient (The), Joseph William Godden, 75 High street, Gravesend
Oxney Ferry inn, Henry Napp, Stone, Ashford