This is quite simply a list of pubs which existed in 1971 in London, it confirms their existence, and also their address at the time. These are starting with letter M.
Do you have additional detail about any of these London pubs, their history, your own photographs of yesteryear, e.g. in the 1960s and 1970s? Please let me know.
London pub history in 1971: M
Macaulay Arms, 129 Kensington Church street W8
Mackworth Arms, 158 Commercial road E1
Magdala Tavern, 211 Lordsbip lane SE22
Magdala Tavern, 2a South Hill park NW3
Magnet & Dewdrop, 194 West Ferry road E14
Magogs, Russia row EC2
Magpie, 12 New street EC2
Magpie & Punch Bowl, 86 Bishopsgate EC2
Magpie & Stump, 18 Old Bailey EC4
Mail Coach, 1 Camomile street EC3
Mail Coach, 28 Uxbridge road W12
Maismore Arms, 104 Peckham park road SE1 5
Malden Arms, 117 Malden road NW5
Mall Tavern, 71/73 Palace gardens terrace W8
Malt & Hops, 891 High road, North Finchley N12
Maltese Cat, Aubyn square SW15
Malvern, 4 Bevington road W10
Mamelon Tower, 149 Grafton road NW5
Man in the Moon, 392 Kings road SW3
Man of Kent, 224 Eltham High street SE9
Man of Kent, 2/4 Nunhead green SE15
Man of Kent, 173 Sydenham road SE26
Manby Arms, 19 Water lane E15
Manchester Arms, 155 Hackney road E2
Mannings Lounge, 73/75 Brent street NW4
Manor Arms, 128 Clapham manor street SW4
Manor Arms, 150 East India dock E14
Manor Arms, 13 Mitcham lane SW16
Manor Arms, 62 Railway side SW13
Manor Cottage Tavern, East End road N3
Manor House, 316 Green lanes N4
Manor Tavern, 126 Devonshire road W4
Manor Tavern, 78 Galley wall road SE16
Manor Tavern, 11 Rectory road N16
Mansion House, 204 Evelyn street SE8
Mansion House, 46/48 Kennington park road SE11
Marie Lloyd, 24 Chart street N1
Marion Arms, 46 Lansdowne drive E8
Market Gardener, 32 Priests bridge SW14
Market House, 30/32 Broadway Market E8
Market House, 9 Russell street, Covent garden WC2
Market Tavern, 144 York way N1
Markham Arms, 138 Kings road SW3
Markhouse Arms, 129 Queens road E17
Marksman, 254 Hackney road E2
Marlborough, 710 Holloway road N19
Marlborough Arms, 43 Elystan street SW3
Marlborough Arms, 77 Marlborough grove SE1
Marlborough Arms, 67 Sedgmoor place SE5
Marlborough Arms, 36 Torrington place WC1
Marlborough Head, 36 Drury lane WC2
Marlborough Head, 37/38 Great Marlborough street W1Y TH3A
Marlborougn Head, 74 Marmont road SE15
Marlborough Head, 24 North Audley street W1
Marlborough Tavern, 39 Abbey road NW8
Marquess Tavern, 32 Canonbury street N1
Marquis of Anglesea, 77 Ashmill street NW1
Marquis of Anglesea, 39 Bow street WC2
Marquis of Clanricarde, 36 Southwick street W2
Marquis of Cornwallis, 304 Bethnal green road E2
Marquis of Cornwallis, 23 Collier street N1
Marquis Cornwallis, 31 Marchmont street WC1
Marquis Cornwallis, 337 Old Ford road E3
Marquis Granby, 51/52 Chandos place WC2
Marquis of Granby, 10/11 Drury lane WC2
Marquis of Granby, 322 New Cross road SE14
Marquis of Granby, 2 Rathbone street W1
Marquis of Granby, 41 Romney street SW1
Marquis of Granby, 142 Shaftesbury avenue WC2
Marquis of Lansdowne, 32 Cremer street E2
Marquis of Lansdowne, 48 Stoke Newington N16
Marquis of Lorne, 49a Dalyell road SW9
Marquis of Lorne, 117 Haydons road SW19
Marquis of Salisbury, 54 Balls pond road N1
Marquis of Salisbury, 64 Freeling street N1
Marquis of Salisbury, 110 Hermit road E16
Marquis of Wellington, 21 Druid street SE1
Marquis of Westminster, 50 Warwick way SW1
Marshal Keate, 29 Prestons road E14
Masons Arms, 169 Battersea park road SW8
Masons Arms, 58 Devonshire street W1
Masons Arms, 109 East street SE17
Masons Arms, 665 Harrow road NW10
Masons Arms, 38 Maddox street W1
Masons Arms, 51 Upper Berkeley street W1
Master Gunner, 37 Cathedral place EC4
Mawbey Arms, 7 Mawbey street SW8
Mayflower, 117 Rotherhithe street SE16
Maynard Arms, 70 Park road N8
Maypole Inn, Mantle road SE4
Maze Hotel, 6 Chichester place W2
Mechanics Arms, 115 Churchfield road W3
Mechanics Arms, 126 Deptford High street SE8
Medina Tavern, 172 Seven Sisters road N7
Melbourne Arms, 81/83 Sandy hill road SE18
Mercers Arms, 34 Belgrave street E1
Mercers Arms, 17 Mercer street WC2
Merry Cricketers, 276 Lower road SE8
Merry Hills, 95 Bramley road N14
Merry Monarch, Cropley street N1
Metropolitan, 60 Great Western road W11
Metropolitan, 60 Southwark street SE1
Metropolitan Tavern, 95 Farringdon road EC1
Meyrick Arms, 122 Falcon road SW11
Mid Kent Tavern, 4 Junction approach SE13
Middleton Arms, 303 Queensbridge road E8
Midland Arms, 10 Church road NW4
Midland Hotel, Station road NW4
Mildmay Tavern, 130 Balls pond road Nl
Milford Haven, 214 Caledonian road N1
Milford Tavern, 159 Park lane N17
Mill, Holders hill road NW7
Mill Hill Hotel, 61 Gunnersbury lane W3
Mill Hill Tavern, 61 Gunnersbury lane W3
Milton Arms, 28 Wrights road E3
Mincing Lane Bar & Lounge, Plantation house, 16 Mincing lane EC3
Minstrel, Central house, Ballards lane N3
Minstrel Boy, 156/160 Colney Hatch lane N10
Mitcham Mine, Greyhound terrace, Streatham vale SW16
Mitford Castle, 129 Cadogan terrace E9
Mitford Tavern, 133 Amhurst road E8
Mitre, 183 Copenhagen street N1
Mitre, 24 Craven terrace W2
Mitre, 164 Croydon road SE20
Mitre, 81 Dawes road SW6
Mitre, 71 Downham road N1
Mitre, 13 Edgware road W2
Mitre, 62 Golborne road W10
Mitre, 291 Greenwich High road SE10
Mitre, 51 Hatfields SE1
Mitre, 89/91 High road N15
Mitre, 40 Holland park avenue W11
Mitre, 62 Patmos road SW9
Mitre, 338 Tunnel avenue SE1O
Mitre, 130 Upper street N1
Mitre, 145 Woolwich High street SE18
Mitre Hotel, 130 Mitcham road SW17
Mitre Tavern, 71 Downham road N1
Mitre Tavern, Ely court, Ely place EC1
Mitre Tavern, 38 Fish street hill EC3
Mitre Tavern, 242 Grafton road NW5
Mitre Tavern, 89/91 High road, Tottenham N15
Monarch, 49 Chalk farm road NW1
Monarch, 68 Green lanes N16
Monkey Puzzle, Sussex gardens W2
Montague Arms, 40 Benwell road N7
Montague Arms, 3 Medfield street SW15
Montague Arms, 289 Queens road SE15
Montpelier, 99 Queens road SE15
Montpelier Tavern, 43 Choumert road SE15
Montrose Tavern, 30 Mackenzie road N7
Monument Tavern, 60 King William street EC4
Mooneys Irish House, Wool Exchange, Coleman street EC2
Moore Arms, 61/63 Cadogan street SW3
Moore Park Hotel, 110 Wood vale SE23
Moores Bar, 349 Throgmorton street
Moorgate, 85 Moorgate EC2
Moorings (The), 43 East Smithfield E1
Moray Arms, 94 Durham road N7
Morden Arms, 1 Brand street SE10
Moreton Arms, 65 Kentish town road NW1
Morgan Arms, 43 Morgan street E3
Morning Star, 231 /235 Rye lane SE15
Mornington Arms, 2 Mornington street NW1
Morpeth Arms, 58 Millbank SW1
Morpeth Castle, 69 Cadogan terrace, Victoria park E9
Mortimer Arms, 174 Tottenham court road W1
Moscow Arms, 51 Moscow road W2
Moss Hall Tavern, 283 Ballards lane N12
Mostyn Arms, 93 Bramah road SW9
Mother Red Cap, 174 Camden High street NW1
Mother Red Cap, 665 Holloway road N19
Mother Shipton, 1 Malden road NW5
Moulders Arms, 50/52 Bromley High street E3
Mulberry Tree, 563 Holloway road N19
Murray Arms, 25 Agar grove NW1
Museum Tavern, 49 Great Russell street WC1
Myddleton Arms, 52 Canonbury road N1