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.
Mace H. M. 32 Union street, Rochester
Mace Henry, 1 Warwick terrace, Taylor's lane, Sydenham
Macey Miss A. M. 95 West street, Faversham
McGinn Albert Albon, 21 Wood street, Old Brompton, Chatham
Mackelden Edward, Ulcombe, Maidstone
Makey Mrs. Frances, Barnsole, Staple, Wingham, Dover
Menkelow G. The Corn. Hadlow, Tonbridge
Mann Mrs. Hannah, 21 & 23 Willow walk, Sydenham
Merchant Alfred Frederick, 80 Upper Stone street, Maidstone
Merchant Henry, Toys hill, Brasted
Marsh J. South Alkham, Alkharn, Dover
Marsh John, 1 Beach street, Folkestone
Marsh John, 66 Bridge street, Folkestone
Marsh John, Newington, Folkestone
Marsh Mrs. Mary, 5 George street, Deal
Marshall Frank, Lydden, Dover
Marshall Percy, Hadlow, Tonbridge
Marshall William, The Moor, Hawkhurst
Martin Henry, 1 St. Peter's street, Maidstone
Martin Henry, Wateringbury, Maidstone
Martin James, 95 High street, Sevenoaks
Martin John, Piezen. well, Wateringbury, Maidstone
Martin R. Swanscombe, Greenhithe
Martin William, East Malling, Maidstone
Martin William Henry, 29 Creek, Northfleet
Martin W. L. 13 Knightrider street, Maidstone
Mason C. 129 & 131 Stone street, Maidstone
Masters Baker, George street, New Romney
Masters James, East lane, Sheerness
Masters John, West Malling
Matthews Mrs. A. 9 Terrace street, Gravesend
Maxwell George, Longford, Dunton green, Sevenoaks
Maxwell W. J. 17 Hart street, Maidstone
May Mrs. E. Buckingham rd. Northfleet
May Thomas A. 18 Hythe street, Dartford
Maybourne William, Preston, Faversham
Maynard E. Pembury, Tunbridge Wells
Mayston J. 29 Wells road, Sydenham
Mead A. F. 16 Thornhill place, Maidstone
Meade C. F. Hildenborough, Tonbridge
Meades Aaron, 59 Goods Station road, Tunbridge Wells
Mealing E. 48 Oakfleld road, Penge
Mear Leonard, 102 High street, Sheernss-on-Sea
Mercer Thos. St. John's hill, Sevenoaks
Mlles B. Hoo green, Meopham, Gravesend
Miles George, Blake's green, St. Lawrence Seal, Sevenoaks
Millbourn Hillier H. Eynsford
Millen George, Edenbridge
Miller Fredk. Ightham, Sevenoaks
Mills Alfred, Durham, Rochester
Mills Frederick, Otford, Sevenoaks
Mills G. A. 66 Lew. Denmark road, South Ashford
Mills Henry, Hailing, Rochester
Mills Robert, Kingsclawn, Longfield
Mills Walter, Hailing, Rochester
Mills William, Swanley Junction
Milsted. James, Lamberhurst
Moat T. Shatterling, Wingham, Dover
Monday James, Luton, Chatham
Moon Fredlc. 99 St. James' road, Tunbridge Wells
Moon Job, 7 & 8 Square hill, Maidstone
Moore John, Capel, Tonbridge
Moore Noel, Wheeler street, Maidstone
Moorland Fredk.20 & 21 Bath street, Gravesend
Morgan Fras. B. 73 Brook, Chatham
Morgan Hy. W. 18" & 20 Dover street, Folkstone
Morley Mrs. J. 189 Old road west, Gravesend
Morling T. W. Oakwood road & 176 Tonbridge road, Maidstone
Morphew George, Golden green, Tonbridge
Morphew Philip, Branbridges, East Peckham, Tonbridge
Morse William, St. John's hill, Sevenoaks
Muddle Mrs. Matilda A. Hawkhurst
Muffet F. 42 Victoria road, Tunbridge Wells
Munn. Mrs. ,E. 58 Date road, Rochester
Murray George, Crocken hill, Swanley Junction
Murrell Mrs. S. Golden square, Tenterden. Ashford