1860 Census Ferguson John 23 Male Il IL Dupage Milton 1870 Census Fergason Daniel E 51 Male Scot IL Dupage York 1900 Census Fergerson A C 52 Female In IL Dupage Downers Grove Twp 1910 Census Ferguson John 43 Male Il IL Dupage 2-Wd Naperville Ferguson Julia 33 Female Il IL Dupage 2-Wd Naperville Ferguson Alice C 60 Female Ny IL Dupage Downers Grove Twp 1920 Census Ferguson Lawrence 25 Male Tx IL Dupage Downers Grove Ferguson Clarence C 37 Male Ne IL Dupage Lisle Ferguson Ethel 19 Female Ia IL Dupage Naperville Ferguson Jame H 50 Female Mi IL Dupage York