| Name | Street | Number | Occupation |
|---|---|---|---|
| MacCallum & Co. | Perú | 20 | dry goods |
| MacDonnell, Mrs. James | Calle Ministro Inglés | ||
| MacGrath, J. | Junin | 71 | academy |
| Machado, José O. | Florida | 50 | lawyer |
| Machain & Co. | Piedad | 110 | consignees |
| Machain, F. | Cangallo | 181 | agent |
| Macías, Pedro | Mexico | 341 | civil engineer |
| McKenzie, James | Balcarce | 49 | lighterman |
| Mackern, G. | San Martín | 7 | bookseller |
| Mackern, George | Lavalle | 208 | Visiting Physician, British Hospital |
| Mackern, Robert | Santa Fe | 498 | |
| Mackern, William | Florida | 137 | English bookstore |
| MacLean, Alexander | Cangallo | 103 | grocer |
| McLean, L. | 25 de Mayo | 66 | lighterman |
| Madero & Co. | Florida | 186 | importers |
| Madero, Ernesto | Juncal | 150 | lawyer |
| Madero, Eduardo | Lavalle | 142 | local director, FCBAP |
| Madero, Florencio | Piedad | 385 | |
| Maestri, C. | Rivadavia | 759 | furniture |
| Maffi, J. F. | Independencia | 158 | ship-broker |
| Maglione, F. & Co. | Defensa | 31 | grocers |
| Maglioni, Juan D. | Cangallo | 109 | lawyer |
| Maglioni, Luis C. | Victoria | 469 | medical doctor |
| Maglioni, Norberto | Chile | 304 | medical doctor |
| Magnanini, Dr. | Reconquista | 384 | lawyer |
| Magnasco, Hno. | Cuyo | 403 | butter & cheeseman |
| Maione, Fernando. | Tacuarí | 725 | medical doctor |
| Malato, Felix A. | Chacabuco | 105 | lawyer |
| Malaver, A. E. | Belgrano | 474 | lawyer |
| Malaver, José M. | Mexico | 433 | medical doctor |
| Malbrán, J. M. | Victoria | 100 | lawyer |
| Malcolm, John | Paraná | 116 | estanciero |
| Maldonado & Sons, | Victoria | 20 | agents |
| Maldonado, Julián S. | Suipacha | 426 | broker; director, Monte de Piedad |
| Mallmann & Co. | Rivadavia | 160 | importers |
| Mallet, G. | Corrientes | 301 | hair-dresser |
| Mallo, Pedro | Cangallo | 720 | medical doctor |
| Manent & Co. | Chacabuco | 433 | distillers (anis) |
| Manigot, A. | Florida | 29 | hatter |
| Mansilla, Manuel | Reconquista | 225 | lawyer |
| Manson, W. | Reconquista | 43 | Perúvian consulate |
| Mantegazza & Co. | Cangallo | 94 | importers |
| Mantels & Pfeiffer, | Chacabuco | 21 | importers |
| Mantilla, Manuel F. | San Martín | 30 | lawyer |
| Mañé, Juan | Rivadavia | 397 | chandler |
| Mañé, Fr. | Esmeralda | 141 | wines |
| Mañé, M. | Chief Mech. Engineer, FCO | ||
| Maquinay, E. | Buen Orden | 903 | barraca |
| Marchesini, Corazza y Mainero | Victoria | 774 | timber-yard |
| Marco, Dr. | Cuyo | 859 | Navy Department |
| Marcó del Pont, J. | Belgrano | 202 | lawyer |
| Marechal, A. | Cangallo | 78 | hotel |
| Marenco, Manuel | Cerrito | 585 | medical doctor |
| Marenco & Co. | Cuyo | 193 | wines |
| Marenco, C. L. | Rivadavia | 109 | lawyer |
| Marengo, F. M. | Piedad | 1544 | chandler |
| Marengo, Pablo E. | director, Banco de Italia | ||
| Marguignot, D. | Perú | 100 | pianos |
| Marin & Co. | Maipú | 116 | grocers |
| Marin, Plácido | Lavalle | 148 | lawyer |
| Marine Insurance Co. | Reconquista | 175 | |
| Marini & Co. | Cangallo | 125 | importers |
| Marini, J. | Florida | 173 | architect |
| Mármol, E. del | Bolívar | 75 | auctioneer |
| Mármol, M. | Bolívar | 68 | accountant |
| Márquez, Victorio | Charcas | 321 | lawyer |
| Márquez, | 25 de Mayo | 74 | ship-brokers |
| Marriott, Bertie | San Martín | 33 | lawyer |
| Marsan, | Venezuela | 823 | Bolsa liquidator |
| Marshall, G. H. | Santa Lucia | 239 | timber measurer |
| Martel, Honorio | Bolívar | 294 | lawyer |
| Martens, G. & Co. | Paraguay | 611 | druggists |
| Marti, F. | Chacabuco | 11 | leather |
| Martin, Luis | Chacabuco | 69 | medical doctor |
| Martin, Cruz | Victoria | 60 | agent |
| Martindale, G. J. | Esmeralda | 140 | furniture |
| Martínez, Mariano R. | Alsina | 52 | lawyers |
| Martínez, Bernabé | San Martín | 174 | printer |
| Martínez, E. F. | Victoria | 31 | consignee |
| Martínez, Enrique | Florida | 403 | lawyer |
| Martínez, Domingo E. | Lavalle | 203 | estanciero |
| Martínez, F. A. | Corrientes | 126 | lawyer |
| Martínez, G. & Co. | Florida | 266 | importers |
| Martínez, J. A. | Moreno | 153 | lawyer |
| Martínez, J. | Reconquista | 26 | auctioneers |
| Martínez Herrera, F. | Alsina | 271 | lawyer |
| Martínez de Hoz, | Belgrano | 134 | consignee |
| Martínez, Lorenzo | Victoria | 244 | medical doctor |
| Martínez, Martín A. | Alsina | 95 | lawyer |
| Martínez, Pedro B. | Lima | 127 | medical doctor |
| Martínez, Teófilo | Piedad | 48 | lawyer |
| Martínez, T. | Rivadavia | 193 ¼ | dry goods |
| Martini, V. | Comercio | 580 | timber-yard |
| Marzano, M. | Defensa | 139 | printer |
| Mascaretti, S. | Ayacucho | 24 | distiller |
| Maschwitz, Carlos | Florida | 16 | civil engineer |
| Masol, Mariano | Santa Fe | 869 | medical doctor |
| Mason, J. E. | Venezuela | 671 | lawyer |
| Massa, B. B. | San Martín | 30 | contractor |
| Massa, Nicolás | Perú | 141 | lawyer |
| Massalin, S. | Paseo de Julio | 20 | lighterman |
| Massini, | Catamarca | 16 | barraca |
| Massot, E. | Bolívar | 59 | auctioneer |
| Masurel, fils | Tacuarí | 47 | exporter |
| Matheron, A. | Perú | 315 | wine importer |
| Matheu, Martín | Moreno | 76 | lawyer |
| Matienzo, Agustín & Son, | Cangallo | 500 | lawyers |
| Matthey, P. & E. | Reconquista | 236 | agents (e.g. decauville railways) |
| Matthews & Co. | Cangallo | 41 | consignees |
| Mattaldi, Eugenio | Florida | 155 | saddlery, suitcases |
| Mattos, Pedro | Piedad | 830 | medical doctor |
| Mattos, A. | Tucuman | 135 | consul |
| Maunier, Luis | Moreno | 240 | printer |
| Maumus, B. | Cuyo | 60 | ship-broker |
| Maupas, Juan | Moreno | 236 | grocer |
| Maxwell, D. F. | Balcarce | 44 | lawyer |
| Maxwell, Daniel | San José de Flores | ||
| Maxwell, M. A. | San José de Flores | Secretary, Banco Nacional | |
| Mayer & Brugo, | 25 de Mayo | 84 | ship-brokers |
| Mayer, Mauricio | Defensa | 693 | director, Banco de la Provincia |
| Mayn, Gustavo | Rivadavia | 259 | director, Banco Hipotecario |
| Mazeres, F. | Perú | 6 | bazaar |
| McEwan, P. | Lima | 208 | tailor |
| McKechnie, G. | Bolívar | 5 | importer |
| Meabe, Alfred | Piedad | 164 | broker |
| Medical Association | Rivadavia | 361 | |
| Médici Hnos. | Moreno | 251 | furniture |
| Medina, C. | 25 de Mayo | 78 | lighterman |
| Medina, José A. | Rivadavia | 373 | pianos |
| Medina, Ángel | Victoria | 258 | bookseller |
| Medina, Ildefonso | San Martín | 86 | agent |
| Mejía, Federico | Rivadavia | 1242 | medical doctor |
| Melara, Marti | Venezuela | 172 | grocer |
| Meléndez, Lucio | Chile | 127 | medical doctor |
| Melo, Marcelino | Cerrito | 281 | lawyer |
| Méndez de Andés, M. | Rivadavia | 214 | cigar factory |
| Méndez, Ángel M. | Perú | 153 | lawyer |
| Méndez Hnos. | Victoria | 372 | dry goods |
| Méndez Paz, Luis, | Victoria | 156 | lawyer |
| Méndez, E. A. | Comercio | 271 | broker |
| Méndez, Rodríguez | Rivadavia | 263 | agents |
| Méndez, F. | Cuyo | 99 | importer |
| Mendieta, Juan | San Martín | 151 | lawyer |
| Mendoza, Cándido V. | Victoria | 27 | lawyer |
| Menet & Co. | Maipú | 56 | importers |
| Mensajerías Nacionales a Vapor, | Piedad | 74 | South Coast steamships |
| Merea, Adrés W. | Defensa | 72 | auctioneer |
| Merlo, Domínguez | Reconquista | 116 | agents |
| Merlo, F. | Piedras | 343 | timber-yard |
| Mernes, Valentín A. | Mexico | 711 | lawyer |
| Merry, E. A. | Maipú | 95 | architect |
| Messenger, | Cangallo | 41 | paper |
| Methven, David | San José de Flores | ||
| Methven, D. jun. | Alsina | 151 | consignee |
| Meyer, Teófilo & Co. | Piedad | 41 | wine merchants |
| Meyer, Friedrich | Rivadavia | 341 | hatter |
| Meza, Justo | Defenso | 625 | medical doctor |
| Mezquita, M. | Perú | 163 | lawyer |
| Mezzera Hnos. | Moreno | 936 | distiller |
| Michaelis & Co. | Victoria | 59 | tailors |
| Mieli, F. | Piedad | 573 | tinsmith |
| Mignaburu, | Lima | 700 | timber-yard |
| Migoni, E. y A. | Perú | 483 | grocer |
| Mihanovich, Nicolás | 25 de Mayo | 77 | ship-broker |
| Milligan, Williamson | Maipú | 46 | importers |
| Miranda Naón, A. | Bolívar | 24 | lawyer |
| Mitre, y Vedia, B. | San Martín | 208 | translator |
| Mitre, Adolfo | San Martín | 208 | lawyer |
| Moetzel, V. | Charcas | 407 | druggist |
| Módena, Alejandro | Talcuhuano | 89 | medical doctor |
| Moine, A. hijos, Soulignac & Co. | Rivadavia | 189 | druggist |
| Mohr Bell, J. | Victoria | 335 | importers |
| Molera, Ramón | Victoria | 136 | upholsterer |
| Molina Arrotea, C. | San Martín | 44 | lawyer |
| Molina, J. J. & Co. | Victoria | 55 | dry goods |
| Molina, Samuel | Esmeralda | 38 | medical doctor |
| Molina, Joseé A. | Moreno | 76 | lawyer |
| Molina, N. | Rivadavia | 48 | lawyer |
| Molina & Freyer, | Defensa | 7 | brokers |
| Molinas, Remigio | Florida | 254 | lawyer |
| Molinas, Nic. | Florida | 269 | medical doctor |
| Molinari, Santos | Perú | 141 | lawyer |
| Moller & Co. | Corrientes | 86 | insurance agents |
| Molteni, F. | Alsina | 359 | furniture |
| Monguillot, J. F. | Belgrano | 131 | lawyer |
| Monguillot, G. | Esmeralda | 202 | mosaic floors, parquets |
| Mones, Carson | 25 de Mayo | 259 | lawyer |
| Mones, Ruiz, Vallet & Co. | Rivadavia | 243 | dry goods |
| Moneta, A. | Corrientes | 412 | furniture |
| Mongiardino, A. | Corrientes | 202 | bazaar |
| Monsegur & Co, | Tacuarí | 17 | importers |
| Monsegur, S. & Co. | 25 de Mayo | 29 | customs brokers |
| Monson, Hon. Edward | Florida | 502 | British Minister |
| Montaña, J. | Cuyo | 205 | importer |
| Montes de Oca, J. J. | Piedras | 67 | lawyer |
| Montes de Oca, L. | Maipú | 239 | medical doctor |
| Montes & Co. | Cangallo | 301 | dry goods |
| Montheil, E. | Rivadavia | 72 | printer |
| Montt, Ambrosio | Alvear & Cerrito | Ambassador, Chilean Minister | |
| Moog, Ferdinand | Chacabuco | 105 | architect |
| Moore, Torence | Reconquista | capitalist | |
| Moore & Tudor, | Maipú | 93 | importers |
| Moores, W. H. | Cuyo | 783 | chairman, local board FCS |
| Moores, William | Defensa | 17 | |
| Morales & Co. | San Martín | 173 | brokers |
| Morales, Nicanor | 25 de Mayo | 241 | medical doctor |
| Morales y Castro | Bolívar | 187 | grocers |
| Moran, José | Rivadavia | 462 | grocer |
| Moranchel, S. F. | Cangallo | 44 | customs broker |
| Morel, Miguel G. | Alsina | 153 | lawyer |
| Morando, B. é hijo | Tacuarí | 55 | soap-boilers |
| Moreira & Co. | San Martín | 224 | tobacconists |
| Moreno, D. & Co. | Belgrano | 185 | contractors |
| Moreno, Edgardo | Alsina | 772 | civil engineer, surveyor |
| Moreno, M. & Fernández, V. | Piedad | 461 | dry goods |
| Moreno, Fernández | Piedad | 160 | grocers |
| Moreno, Ensinck & Co. | Florida | 160 | pianos |
| Moreno, B. | Bolívar | 134 | army-tailor |
| Moretta, J. B. | Paraguay | 515 | distiller |
| Morguillo, R. | Victoria | 87 | lawyer |
| Morón, Manuel | Piedras | 84 | lawyer |
| Morris, Benito | Piedras | 415 | grocer |
| Morris, George | Moreno | 76 | lawyer |
| Morse, J. W. | San Martín | 151 | translator |
| Mosquera, E. | Paraguay | 256 | lawyer |
| Mosquito, | Tucuman | 131 | paper |
| Mossi, Juan | Belgrano | 1219 | gardener |
| Moss, Joseph | Alsina | 322 | carpenter |
| Moss & Co. | Lima | 228 | carpenters |
| Moutier, Ad. | Cangallo | 440 | lawyer |
| Moyano, Domingo | Tucuman | 670 | lawyer |
| Moyano, J. M. | Piedad | 164 | lawyer |
| Moyano, Miguel N. | Perú | 407 | medical doctor |
| Mulcahy, Lovat | Maipú | 320 | medical doctor |
| Mulhall, M. G. & E. T. | Standard office | ||
| Mulhall, Edward Thomas | Lambaré, | ||
| Mulhall, Francis H. | Garantias | 379 | land broker & agent |
| Mulhall, William F. | Standard office | ||
| Müller, Adolf & Aliverti, | Piedras | 78 | druggists |
| Müller, J. S. | Piedad | 105 | broker |
| Müller, J. W. | Jujuy | 17 | barraca |
| Müller, Wilhelm | Reconquista | 81 | druggist |
| Munro, Duncan MacKay | FC del Norte | traffic supt. Northern & Ensenada Rlys. | |
| Muntaner, W. | Florida | 154 | printer |
| Muñiz, Ramón | Piedad | 219 | lawyer |
| Muñoz Hnos. | Victoria | 372 | dry goods |
| Muñoz Hnos. | San Martín | 178 | auctioneers |
| Muñoz & Co. | Suipacha | 213 | army-tailors |
| Murialdo, A. | Belgrano | 557 | grocer |
| Murphy, Michael | Tucumán | 238 | medical doctor |
| Murray & Aikens, | Florida | 274 | druggists |
| Murray, Peter | Florida | 26 | tailor |
| Murray & Seedorf, | Reconquista | 84 | druggists |
| Muro, Antonio | Rivadavia | 481 | ink-factory |
| Muro, Juan I. | Moreno | 413 | saladerista |
| Mussel & Co. | Tacuarí | 29 | dry goods |
| Mussel, Francisco | Cuyo | 93 | wine importer |
| Muzlera, L. V. | Bolívar | 146 | lawyer |
M. G. & E. T. Mulhall, Handbook of the River Plate(London: Trübner & Co., 1885) pages 670-673.
Guía Mensual de Kidd, Imprenta de J. H. Kidd, setiembre de 1884, pages 66-74, 151, 155.