
| last,first name | nationality | born | additional information |
| Classen Mac Call, Henry | British | from Falklands [Islas Malvinas]; owner of Ea. León at Avellano; 1921-22 started "Andes" steamer service on the lake, after hauling the vessel overland from San Julián using wooden rollers and teams of oxen; 1934 family moved to Estancia El Kultan, Alto Río Senguer, Chubut | |
| Fletcher, John | son-in-law of Henry Classen; manager of Ea. León; "Andes" crew member | ||
| Peace, Arturo [Arthur] | capable builder; worked for many years in Argentine Patagonia; settled in Puerto Ibáñez | ||
| Williams Willard, John | Chilean (British parents) | captain of the steamer "Andes" for over 20 years |
Early Concessions: Sociedad Explotadora del Baker (1904); Cordillera Cattle Company (1913); Sociedad Estancia Posadas Hobbs & Cía. (1916)
Company personnel
| last,first name | nationality | born | additional information |
| Blair, Douglas M | Scottish | c1904 | (1927-1928) accountant |
| Bridges, Stephen Lucas | Argentinean (British prents) | (1922-1944) Estancia Baker, later Estancia Lago Bertrand, later S.A.G. Valle Chacabuco; general manager and company partner (jointly with brother-in-law Percival Reynolds) | |
| Buchanan, Murdo | manager | ||
| Forbes Tuite, Ernesto | Argentinean | c1894 | (1928) secretary ("escribiente") |
| Fugellie, Gustavo | (1926-1930) accountant | ||
| Henderson, John Douglas[?] | manager | ||
| Hope Wami, Guillermo | (1928) secretary, Entrada Baker | ||
| Lancaster, Edward | English | sailor, mechanic; (later) manager | |
| Mackenzie, Alexander | Scottish | c1882 | (1928) manager ("administrador") |
| McWilliams [MacWilliam?], John | (c1930) manager | ||
| Morrison, Angus | manager | ||
| Morrison, Daniel[?] | |||
| Munro, John | manager | ||
| Norris, William | (1904) foreman, hired to drive cattle from Argentina | ||
| Rees, John | English | c1887 | (1928) cook |
| Warwick, Arthur | English | c1892 | (1928) mechanic; former officer of Royal Navy; in charge of installations at Bajo Pisagua, Puerto Seguro and Puerto Alegre, plus a portable sawmill |
| Wood, Charles | English | c1886 | (1916) manager, murdered |
Independent settler
| last,first name | nationality | born | additional information |
| Ludueño Campbell, Nemesio | Argentinean | 1889 | (1921-28) between Lago Esmeralda and Lago Juncal |
Incidental visitor
| last,first name | nationality | born | additional information |
| Carr, Hubert W | (1902) rancher hired by Mauricio Braun (together with the engineer Andrés Bonvalot) to evaluate the potential for investment; their report ultimately led to the formation of the Compañía Explotadora del Baker |
Original Concession: Sociedad Industrial del Aisén (1903)
Company personnel
| last,first name | nationality | born | additional information |
| Anderson, Thomas | (1920) assistant to MacDonald; manager of Ñirehuao section; (later) general manager | ||
| Burns | (1920) | ||
| Clelland | (1920) chief of stores ("jefe de almacenes") | ||
| Dun, John | (1903-1914) first general manager | ||
| MacDonald, Angus | (1920) general manager | ||
| Macdowell, William | stockman | ||
| Monroe | Scottish | (1920) manager of Ñirehuao section | |
| MacPhail, Angus | (1914, succeeded Dun) general manager | ||
| Stewart, David | accountant | ||
| Stockley (2 brothers) | |||
| Urquhart, Alexander | (1914) shepherd; spouse Elizabeth; children- 1912 Marjorie, 1914 Duncan Alexander |
Independent settlers
| last,first name | nationality | born | additional information |
| Brooks, John | British | (c1906) Balmaceda | |
| Doolan, Marcos Andrés Eduardo | Coyhaique | ||
| Dun, John | (after 1914) on own account | ||
| King, William A | (1914) Puerto Aisén | ||
| MacDowell, William | horse-tamer, Ñirehuao? | ||
| MacKay, John | (c1930) sawmill near Coyhaique | ||
| McEwan, Elsiebeth Lily Montgomery | murdered 1916 (wife of Olof Frederick Lundberg, Estancia Elena; arrived in region 1906) | ||
| Richards, John + William | Welsh | 1896 settled in Goichel Valley (present-day Ñirehuao); 1903 obliged to sell their installations ("mejoras") to the company; hired as shepherds | |
| Richards, Jack | |||
| Richards, Paul | British | 1907 settled in Pampa Rivera (Balmaceda?); left shortly afterwards | |
| Saunders, William |
Others
| last,first name | nationality | born | additional information |
| Barnes, Eric | ** information needed ** | ||
| Bradley, Thomas | |||
| MacIntyre, Peter | |||
| Ryan, [Pat?] | (1904) brought first flock of sheep from Chubut |
Nearby (Chubut province, Argentina)
| last,first name | nationality | born | additional information |
| Brooks, John | English | (1920) manager, Estancia Sociedad Valle Huemules | |
| Cunningham (George + Jorge Patricio) | (c1920) Estancia Sierras del Carril (near Lago Blanco) | ||
| Robinson | Scottish | (1920) deputy manager, Estancia Sociedad Valle Huemules |

Independent settlers
| last,first name | nationality | born | additional information |
| Braxton, William | settled shortly after 1914 | ||
| Brenkley, Charles | settled 1914 | ||
| Brest, Toby | settled 1914 | ||
| Burnell, John | settled shortly after 1914 | ||
| Doolan, Frank | settled shortly after 1914, jointly with the Dane Axel Nielsen | ||
| Knight, Percival | settled shortly after 1914 | ||
| Nightingale, Edward | settled shortly after 1914 |