Name Job title Country of Origin
Oberg
O'Brien
O'Brien
O'Brien
O'Brien
O'Bryan
Ochoa
Ochoa
Ochoa
Ochoa
O'Conell
Oddonetto
Odom
O'Donnell
O'Hara
Ohlmeier
Ojeda
Ojeda
Ojeda
Okerstrom
O'Leary
Olevas
Olguin
Olhausen
Olivares
Oliver
Oller
Ollerenshaw
Ollier
Olmstead
O'Malley
O'Malley
O'Neill
Ontiveros
Opie
Oppel
Orante
Orante
Oresk
Ormsbee
O'Rourke
Orozco
Ortega
Ortiz
Orton
Orton
Orton
Orton
Osborn
Osborne
Oton
Otton
Otton
Overturf
Owens
Owens
Alvin C.
Paul V.
John Joseph
James
Frand Lasalles
Benjamin B.
Alejo
Evaristo
Jesus
Nieves
John J.
John
Clay D.
Patrick
Patrick
Alberto
Edijio
Jesse L.
Richard
Nels P.
Alvin W
Martine
Manuel
Archie
Jose M.
Jerry M.
Charles E.
Edward O.
Jamie
Carlton B.
Jimmy
John
Corelus
Francisco
William
John
Elias
Isaias
Eric
Randall H.
Hugh
Francisco
John
Pedro
Cecil
Garth H.
Augustus O.
Amplis S.
Johan
William T.
Antonio
Gabriel A.
Cruz
Arley W.
Ernest
Ellis H.
miner
miner
shifter
driller helper
?
miner
miner
laborer
laborer
laborer
pump man
miner
miner
machinist
miner
laborer
miner
repairman
laborer
miner
purchasing clerk (Calumet & Arizona)
miner
miner
miner
mill man (concentrator)
miner
mechanic
boilermaker
pipe fitter
structural engineer
miner
miner
miner
laborer
shift boss
miner
miner
miner
miner
geologist
miner
miner
miner
mechanic (concentrator)
laborer
sampler
miner
motorman
miner
miner
laborer
miner
laborer
hoisting engineer
miner
miner
Arizona
Nebraska
Illinois
New York
Nebraska
Texas
Mexico
Mexico
Mexico
Mexico
Colorado
Italy
Tennessee
Minnesota
Oklahoma
Mexico
Mexico
Mexico
Mexico
Sweden
Minnesota
Mexico
Mexico
Missouri
Mexico
Arkansas
Arkansas
England
Texas
Michigan
Northern Ireland
Irish Free State
Irish Free State
Mexico
England
Germany
Mexico
Mexico
Norrkoping, Sweden
Tennessee
England
Mexico
Mexico
Mexico
Kentucky
Kentucky
Kentucky
Kentucky
West Virginia
England
Mexico
Mexico
Mexico
Illinois
Tennessee
Arizona