| 1900 Census Conneth Pfender Family, Allegheny County, Pittsburgh, PA | |
| 1910 Census John P Pfender Family, Allegheny County, Pittsburgh, PA Page 1 |  |
| 1910 Census John P Pfender Family, Allegheny County, Pittsburgh, PA Page 2 |  |
| 1920 Census John P. Pfender Family, Allegheny County, Pittsburgh, PA |  |