Du Bois, Pennsylvania 1929 City Directory - O
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| Page # | Surnames in order they appear, not necessarily in alphabetical order |
| Page 192 | Ober, Oberg, Obermiller, Oberrender, O'Brien, O'Connor, O'Donnell, Oermann, Ogden, Ogershock, Ogershok |
| Page 193 | Pgershok, Ogiba, O'Harrow, O'Hern, Ohl, Okinski, Okonski, Oldknow, Oleksy, Olis, Olive, Olivo, Olmsted, Olson |
| Page 194 | Olson, O'Neill, Ord, Orner, Osborn, Osburn, Osmond, Ott, Overdorf, Overturf, Owen, Owens |
| Page 195 | Owens |
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