This is the entirety of the 1843 London Post office directory, as it is added.
Marlborough Edward, newspaper agent, 4 Ave Maria lane
Marlborough Isabella (Miss), haberdasher, see Lord & Marlborough
Marlborough William, toymaker, 35 Plumber street, City road
Marler Joseph, linendraper & haberdasher, 33 East street, Walworth
Marler William, tobacconist, 92 Mary street, New road, Regent's park
Marley Gabriel & Co. linenfactors, 24 to 26 Ironmonger lane
Marley & Clark, curriers & leathersellers, 76 Dean street, Soho
Marley John, Anchor & Castle P.H. 167 Tooley street
Marley Miles, surgeon, 11 Cork street, Bond street
Marley William, Prince of Wales P.H. 16 Frederick place, Hampstead road
Marley William Henry, cheesemonger, 87 Great Titchfield street
Marlow, Lancaster & Co. linendraper, 38 Bridgehouse place, Newington causeway
Marlow John, baker, 107 Regent street, Lambeth
Marlow John, coal & potato dealer, 7 King street, Seven dials
Marlow Thomas, ironmonger, 8 King street, Seven dials
Marney John, looking glass manufacturer, 10 Newman street, Oxford street
Marnham Henry, corn dealer, 46 Princess street, Portman market
Marnie & Jamieson, west india merchants, 67 London wall
Marns William, rope manufacturer, Arbour place, Stepney
Marquis Eliza & Fanny, booksellers &c. 2 Moreton terrace, Kentish town
Marquis James, haircutter & perfumer, 111 London wall
Marr Christopher, working jeweller, 112 Wardour street, Soho
Marr William, patentee of fire proof safes & boxes, & patentee & manufacturer of
the double security detector lock, &c. 52 Cheapside
Marr William, watch hand maker, 6 Albemarle street, Clerkenwell
Marrable Frederick, architect, 1 Lancaster place, Waterloo bridge
Marratt John, optician, &c. 15 Great Winchester street
Marrett Nathaniel, confectioner, 129 Tottenham court road
Marriage John, staymaker, 23 Hereford place, Commercial road east
Marriatt Charles, bellhanger, 13 Francis street, Tottenham court road
Marriner Joseph, carpet warehouse, 9 City road, Finsbury square
Marriott & Crowe, ironmongers & stove & range manufacturers, 89 Fleet street; 26
Ludgate hill; & 74 Old Broad street
Marriott Hail & Henry, agents & manchester warehousemen, 6 Lawrence lane
Marriott Thomas & Son, worsted spinners, 11 Basing lane
Marriott George E. butterman, &c. 15 Newgate market
Marriott Henry, manchester warehouse, 4 Belgrave street, King's cross
Marriott Joseph, oil & italian warehouse, 74 Gracechurch street
Marriott Mary Ann (Miss), naturalist, 234 Strand
Marriott Thomas William, furniture ironmonger, 15 & 16 High row, Knightsbridge
Marriott William, hat manufacturer, 33 St. Andrew's road, Borough
Marriott William, optical turner, 38 Montague street, Spitalfields
Marriott William, silversmith, &c. 27 Fenchurch street
Marriotts Thomas, Crown P.H. 36 High street, St. Giles's
Marris Thomas, tailor, 2 Meard's street, Soho
Marris William, solicitor, see Hicks & Marris
Marrott William John, wireworker, 23 King William street, City
Marrow Luke, bookbinder, 3 Cecil street, Strand
Marryat Joseph & Sons, merchants, 2 Laurence Pountney lane
Marryatt Sophia (Miss), fruit dealer, Spitalfields market
Mars Victorina (Mrs.), milliner, 30 Duke street, Manchester square
Mars William, leather dresser & dyer, 24 Grange walk, Bermondsey
Marsano John, italian merchant, 2 Beauchamp street, Leather lane
Marsden & Roberts, surveyors, &c. 81 Old Broad street
Marsden & Shaw, stockbrokers, 1 Angel court, Throgmorton street
Marsden Thomas & Sons, wholesale druggists, 36 Queen street, Cheapside
Marsden Charles, ornamental paper maker, Kingsland road
Marsden George William, solicitor,46 Watling street, City
Marsden Samuel, watch & clock maker, 23 Great Winchester street
Marsden William, M.D. surgeon, 65 Lincoln's inn fields
Marsden William James, lighterman, bridgehouse, 2 George row, Bermondsey
Marsh & Edenborough, wool brokers, 61 Moorgate street, Bank
Marsh Edwd. & John, watchhand maker, 61 Whiskin street, Clerkenwell
Marsh Edward, bookseller, 84 Houndsditch
Marsh Frederick, ladies' boot & shoe maker, 148 Oxford street
Marsh George, boot & shoemaker, 1 Old Jewry
Marsh George, tailor, 5 Millman place, Bedford row
Marsh George Henry, barrister, 21 St. James's street, Pall mall
Marsh Harry, watchmaker, 20 Down street, Piccadilly
Marsh James, lancashire movement dealer, 22 Tysoe street, Clerkenwell
Marsh James Henry, army accoutrement maker, 3 Box tree place, Grange road
Marsh John, bookseller & library, 3 Leigh street, Red lion square
Marsh John, poulterer, l l Red Lion street, Whitechapel High street
Marsh Joseph, baker, 3 Holland place, Kensington
Marsh Mary (Mrs.), house agent, 46 Park street, Grosvenor square
Marsh Robert, attorney, Clarence chambers, 12 Haymarket
Marsh Thomas, cheesemonger, Grange road, Bermondsey
Marsh Thomas, saddler, &c. 1 Charlotte street, Portland place
Marsh Thomas, livery stables, see Hawkins & Marsh
Marsh Thomas, statuary, 20 Quickset row, New road, Fitzroy square
Marsh Thomas Coxhead, barrister, 2 Harcourt buildings, Temple
Marsh Walter, poultry & game salesman, Leadenhall market
Marsh William, bookseller, 24 Old Cavendish street
Marsh William, boot & shoemaker, 15 Kingsland place, Kingsland road
Marsh William, lathe & toolmaker, 9 Great St. Andrew street, Seven dials
Marsh William, saddler, &c. 49 Long lane, West Smithfield
Marsh William, stockbroker, 2 Bank chambers, Lothbury
Marshal & Associates Office, 5 Child's place, Temple bar;
Marshal& Clerk at Nisi Prius, judges' chambers, Serjeants’ inn, Chancery lane
Marshall (Chapman) & Co. wholesale grocers, 179 Upper Thames street
Marshall & Edridge, ship & insurance brokers, 34 Fenchurch street
Marshall George & Thomas, coopers, 90 range road, Bermondsey
Marshall & Hall, woollen warehousemen, 95 Wood street, Cheapside
Marshall Henry Charles & Co. booksellers &c. 12 Curzon street, Mayfair
Marshall, Hutchison & Co. ship & insurance brokers, 1 New city chambers
Marshall John & Co. teadealers, 12 Southampton street, Strand
Marshall John & Son, provision agents, Hay's wharf, Tooley street
Marshall Joseph & Co. trunk makers, 5 Duke street, Manchester square
Marshall (Slater) & Brother, bootmakers, Spur street, Leicester square
Marshall & Stinton, silk mercers, 11 Vere street, Cavendish square
Marshall Thomas & Son, crape & bandanna warehouse, 15 Cheapside
Marshall William, & Co. merchants, 3 Brabant court, Philpot lane
Marshall William & Co. globe tea warehouse, 20 Strand
Marshall Alex. carver, gilder & printseller, 2 Middle row, Holborn bars
Marshall Alex. window glass cutter, 24 Broad street, Bloomsbury
Marshall Alfred, ship & insurance broker, see Nickols & Marshall
Marshall Ambrose, cattle salesman, see Farrin & Marshall
Marshall Augustus, tobacconist, 10 Sarah place, Old street road
Marshall Benjamin, tinman, 22 Marylebone street, Piccadilly
Marshall CarolineS.(Mrs.), wine merchant, see Jeffery, Marshall & Co
Marshall Charles, veterinary surgeon, 76 Church lane, Whitechapel
Marshall Charles, coffee rooms, 17 Catherine street, Strand
Marshall Charles, boot & shoemaker, 208 Oxford street
Marshall Charles E. chemist &c. 6 Bedford street, Bedford square, Mile end
Marshall David, dairyman, 30 Duke street, Grosvenor square
Marshall David, tailor, 9 Old Boswell court, Strand
Marshall Edmund, confectioner, 81 Sun street, Bishopsgate
Marshall Edmund Smith, goldbeater,31 John street, Fitzroy square
Marshall Edward, Angel & Trumpet P.H. 23 King street, Holborn
Marshall Edward, pewterer, 41 Clifton street, Finsbury
Marshall Edward, coal sackmaker & coal dealer, 5 Upper Thames street
Marshall Edward, jun. working jeweller, Mare street, Hackney
Marshall Ellen (Miss), hosier, &c. see Parsons & Marshall
Marshall Enoch, plumber & glazier, 32 Lower street, Islington
Marshall Frederick, grocer, 7 Wells row, Upper street, Islington
Marshall George, coal factor, 3 Cross lane, St. Mary at hill
Marshall George, foreman of works, N. R. Co. 33 New North street, Red Lion
square
Marshall George, Norland Arms P.H. 1 Addison road north, Notting hill
Marshall George, timber merchant, Pageant, Rotherhithe
Marshall George, tobacconist, 55 Marchmont street, Brunswick square
Marshall Henry, tailor & draper, 12 Red Lion passage, Red Lion square
Marshall Henry Hardy, woollen draper, 48 Blackfriars road
Marshall Henry Pightling, solicitor, see Clutton, Waller & Co
Marshall James, baker, 14 Hungerford street, Strand
Marshall James, barrister, 27 Southampton buildings, Chancery lane
Marshall James, builder, Rose cottage, Kingsland basin
Marshall James, whalebone manufacturer, 199 London wall
Marshall James M, Crown & Sceptre P.H. 27 Foley street, Portland place
Marshall John, boiler maker, 26 Colchester street, Whitechapel
Marshall John, bricklayer & slater, 16 Howland street, Fitzroy square
Marshall John, cheesemonger, 37 Cannon street & 21 Fish street
Marshall John, cheesemonger, 97 Whitechapel High street
Marshall John, chemist & druggist, 114 Lambeth walk
Marshall John, cowkeeper, 4 Market street, Jermyn street
Marshall John, dantzic merchant, 11 St. Helen's place, Bishopsgate
Marshall John, drysalter, 15 Wormwood street, Bishopsgate
Marshall John, fishmonger, 6 Clare court, Drury lane
Marshall John, ham & tongue dealer, 21 Fish street hill
Marshall John, Kings Head P.H. 27 Alfred place, Newington causeway
Marshall John, plumber, &c. 13 Cumberland street, Middlesex hospital
Marshall John, seal engraver, 65 Banner street, St. Luke's
Marshall John, stay maker, 10 Baker's row, Walworth road
Marshall John, upholsterer to the Queen, 31 Soho square
Marshall John Henry,
Vernons Head P.H. 32 North Audley street
Marshall Joseph, chaser, 46 Rosamon street, Clerkenwell
Marshall Joseph, dancing academy, 46 Rosamon street Clerkenwell
Marshall Leonard, cabinetmaker, 8 James's street, Old street, St. Luke's
Marshall Mary Ann (Mrs.), Cock P.H. 20 Love lane, Eastcheap
Marshall MaryAnn (Mrs), midwife, 16 New court, Farringdon street
Marshall Matthew, lighterman, 5 Millpond row, Bermondsey
Marshall Matthew, portable deskmaker, 2 Richmond buildings, Soho
Marshall Matthias, baker, 4 Dean street, Finsbury square
Marshall Noah, painter & glazier, 5 Cumberland row, King's cross
Marshall Peter, surgeon & accoucheur, 35 Greek street, Soho
Marshall Richard, surgeon, 27 Great Charlotte street, Blackfriars road
Marshall Robert, greengrocer, 3 Cleveland street, Fitzroy square
Marshall Robert, wood carver, &c. 16 Gower place, Euston square
Marshall Samuel, shawl, bandanna, &c. warhouse, 15 Cheapside
Marshall Thomas,
Duke of Wirtemberg P.H. 44 Hatfield street, Blackfriars
Marshall Thomas, hosier & shirt maker, 80 Quadrant, Regent street
Marshall Thomas, Old Parrs Head P.H. 1 Cross street, Islington
Marshall Thomas, sec of Edinburgh Life Assurance Co. 11 King street, City
Marshall Thomas, tailor, 6 Wells street, St. James's
Marshall Thomas, tallowchandler & oilman, 81 Chancery lane
Marshall Thomas, timber & deal yard, 21 Park place, Kennington cross
Marshall Thomas Wooley, tailor, 207 Oxford street
Marshall William, cheesemonger, 224 Shoreditch
Marshall William, dairyman, 6 Copenhagen street, Pentonville
Marshall William, dairyman, 4 Theberton street, Islington
Marshall William, pawnbroker, Wandsworth road
Marshall William, tailor, see Eddels & Marshall
Marshall William, tailor, 27 James street, Covent garden
Marshall William, tailor, 2 Upper James street, Golden square
Marshall William, veterinary surgeon, see Bygrave & Marshall
Marshall William Calder, sculptor, 6 Upper Belgrave place, Pimlico
Marshall William Forbes, wholesale grocer, 23 Cullum street, City
Marshall William Henry, glover, &c. 1 Parkside, Knightsbridge
Marshall William I, agent & factor, 28 Walbrook, City
Marshall William R. account & school, 5 Alfred row, Spa road, Bermondsey
Marshall William W. stationer & bookseller, 21 Edgware road
Marshalsea Court Office, Great Scotland yard
Marshfield William, perfumer, 106 Drummond street, Euston square
Marshman Joshua Ryland, barrister, l Inner Temple lane
Marsland George, engineer, 18 Charles street & 8 Edward street, Blackfriars road
Marsom Thomas, whipmaker, 87 St. John street, West Smithfield
Marson & Dadley, attorneys, 1 Church row, Newington butts
Marson Henry, coach & harness plater, 13 West street, Seven dials
Marson Henry, Kings Arms P.H. 47 Upper Ebury street, Pimlico
Marson John, fishmonger, 2 Charles street, Middlesex hospital
Marson Joseph, wool broker, 78 Basinghall street
Marston John, physician, 34 York street, Portman square
Marston John, watch & clockmaker, 34 Castle street, Leicester square
Marston Samuel, cooper, 26 Arlington street, Sadlers wells
Marston Thomas, baker, 24 Victoria road, Pimlico
Marston Thomas, cooper & basket maker, 87 Tottenham court road
Marston Thomas, solicitor, 66 Torrington square
Marston William, cattle salesman, 11 West Smithfield
Mart Samuel, orange merchant & fruiterer to her Majesty & the Queen dowager, 130
Oxford street
Martell & Co. (of Cognac), brandy merchants, 14 Mincing lame, & 72 Great Tower
street
Martell Charles, solicitor, 2 Barnard's inn, Holborn
Martell Etwall Hebard, solicitor, 2 Barnard's inn, Holborn
Martelli Charles Henry Ansley, barrister, 9 Serle street, Lincolns inn
Marten Henry & William, watchmakers, 20 Artillery place west
Marten Charles, stock & sharebroker, 9 Finch lane & Stock exchange
Marten George, clerk to Fellowshp. Portershall, 17 St.Maryathill
Marten George, solicitor, see Brown, Marten & Thomas
Marten John, cheesemonger, 44 High street, Marylebone
Marten Samuel, looking glass manufacturer, 13 Summer street, Hatton garden
Martens Peter, cabinet maker, 8 Nassau street, Middlesex hospital
Martin, Abbott & Co. shawl warehousemen, 10 Aldermanbury
Martin Charles & Nath. attorney Vintners’ hall, 68 1/2 Upper Thames street
Martin & Co. birmingham & sheffield warehousemen, 63 Gracechurch street, & 74
Cornhill
Martin Edwd. & Co. provision merchants, West & Kent wharf, Montague close
Martin Henry & Co. printers, 13 Bartlett's buildings, Holborn
Martin Jas. & Son, bookbinders, 16 Westmoreland place, City road
Martin John & Henry, tailors, &c. 185B, Sloane street
Martin & Jones, linendrapers, 45 Kings road east, Chelsea
Martin & Paul, cattle salesmen, 17 West Smithfield
Martin Richd. F. & Co. fire proof cement manufacturers, Hungerford wharf
Martin, Solomon & Co. agents, 9 Budge row, Cannon street
Martin Thomas & Co. printing ink maker, 30 Queen street, Cheapside
Martin William & Son, upholsterers, 45 Southampton row, Russell square
Martin Alexander, book agent, 21 Warwick square
Martin Arthur, poulterer & game dealer, 5 Lower Eaton street, Pimlico
Martin Barnabas, silk manufacturer, 29 Fort street, Spitalfields
Martin Charles, commission agent, &c. see Blogg & Martin
Martin Benjamin, blacking manufacturer, see Day & Martin
Martin Benjamin, butcher, 4 Brook's market, Holborn
Martin Benjamin, chemist, 21 Charlotte street, Fitzroy square
Martin Charles, solicitor, 17 Salisbury square, Fleet street
Martin Charles, baker, 86 Drury lane
Martin Charles, gold, &c. caster, 21 Mitchell street, St. Luke's
Martin Charles, surgeon, Neckinger road, Bermondsey
Martin Charles Henry, printer, publisher, &c. 250 Blackfriars road
Martin Charles P. glazier, plumber, &c.37 Brewer street, Golden square
Martin Daniel, tailor, 178 High Holborn
Martin David, orange merchant, 11 King street, Aldgate
Martin David, silk manufacturer, 6 Prince's street, Spitalfields
Martin Ebenezer, pasteboard maker, 30 Queen street, Cheapside
Martin Edward, cabinet maker, 28 Michael's place, Brompton
Martin Edward, surgeon,6Somers street, Oxford terrace
Martin Francis, tobacconist, 36 Blackfriars road -
Martin Francis Offley, barrister, 3 Stone buildings, Lincolns inn
Martin Frederick, cabinet maker, Grove, stratford
Martin Fred.gold & silver laceman, 1 Cripplegate buildings
Martin Frederic S. timber merchant, Stratford broadway
Martin Fred. William, oil & colorman, 6 Frederick place, Hampstead road