More About Gertrude G Slade: Date born 2: 1889, Illinois.779 Date born 3: 1889, Illinois.779 Residence 1: 1900, Chicago Ward 32, Cook, Illinois.780, 781, 782 Residence 2: 1910, New Trier, Cook, Illinois.783 Residence 3: 1910, New Trier, Cook, Illinois.783