| NAME | ADDRESS | OCCUPATION | SOURCE |
| Leonard, Ernest SOUNDEX Born in: United States (Maryland) |
537 112th | Blacksmith (Stockyards ) | 1920 Federal Census |
| Leonard, Ernest SOUNDEX Born in: United States (Maryland) |
11416 St. Lawrence | Blacksmith | 1910 Federal Census |
| Leonard, Fred G. SOUNDEX Unknown |
99 Watt | Telegraph Operator (Pullman Palace Car Company ) | 1883 City Directory |
| Leonard, Wendala SOUNDEX Born in: Republic of Austria |
11241 Langley | Laborer (Steel Company ) | 1920 Federal Census |
| Leonardo, Jovania SOUNDEX Born in: Italian Republic |
11203 Langley | Laborer (Car Works: Pullman Palace Car Company ) | 1910 Federal Census |
| Leonardo, Paul SOUNDEX Born in: Italian Republic |
11203 Langley | Laborer (Car Works: Pullman Palace Car Company ) | 1910 Federal Census |
| Leonhardt, Gustav SOUNDEX Unknown |
Unknown Unknown | Baker (A. Lutz & Company, Bakers ) | 1883 City Directory |