Surname O
OGBOURN: Alder Slope
OGLE: Enterprise
OLIVER: Bramlet, Lost Prairie, Prairie Creek
OLLIS: Lostine
OLMSTED: Enterprise
OLSEN: Lostine
OLSON: Prairie Creek
ORR: Enterprise
ORTMAN: Enterprise
OSBORN: Enterprise
OSBORNE: Enterprise
OSBOURN: Enterprise
OSMUNDSON: Enterprise
OSTRANDER: Prairie Creek
OSWALD: Prairie Creek
OTTO: Enterprise
OVENSON: Wallowa
OVERBY: Wallowa
OWEN: Enterprise
OWENS: Enterprise
OWNBEY: Alder Slope, Enterprise
OWNBY: Wallowa
O’BRIEN: Enterprise, Wallowa
O’CONNER: Prairie Creek
O’MALLEY: Enterprise
O’NEAL: Wallowa
O’NEIL: Enterprise
O’ROURKE: Prairie Creek