| NAME | ADDRESS | OCCUPATION | SOURCE |
| Demkovich, Flora SOUNDEX Born in: United States (Illinois) |
10770 Champlain | Typist (Credit Company ) | 1940 Federal Census |
| Demkovich, Joseph SOUNDEX Born in: Russian Federation |
10774 Champlain | Grocer (Grocery ) | 1940 Federal Census |
| Demkovich, Josephine SOUNDEX Born in: Russian Federation |
10774 Champlain | Grocer (Grocery ) | 1940 Federal Census |
| Demkovich, Sylvestra G SOUNDEX Born in: United States (Illinois) |
10770 Champlain | Bartender (Saloon ) | 1940 Federal Census |
| Donajofsky, John SOUNDEX Born in: Republic of Poland |
10516 Maryland | Machinist (Car Works, Steel Car Shop: Pullman Palace Car Company ) | 1910 Federal Census |