 | US Census 1910: Jacob Syputa 23 APR 1910 |
| US Census 1910: Mike, John Plaza 23 APR 1910 |
| US Census 1920: Henrietta Plaza 3 FEB 1920 |
| US Census 1920: Jacob Syputa 2 FEB 1920 |
| US Census 1920: Mike Plaza 5 FEB 1920 |
| US Census 1930: Frank Plaza 10 APR 1930 Wisconsin |
| US Census 1930: Jacob Syputa 30 APR 1930 |
| US Census 1930: Philip Syputa Sr 3 MAY 1930 Chicago |